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OpenSolaris 2009.06 - man page for red (opensolaris section 1)

ed(1)					  User Commands 				    ed(1)

NAME
       ed, red - text editor

SYNOPSIS
       /usr/bin/ed [-s | -] [-p string] [-x] [-C] [file]

       /usr/xpg4/bin/ed [-s | -] [-p string] [-x] [-C] [file]

       /usr/xpg6/bin/ed [-s | -] [-p string] [-x] [-C] [file]

       /usr/bin/red [-s | -] [-p string] [-x] [-C] [file]

DESCRIPTION
       The  ed	utility is the standard text editor. If file is specified, ed simulates an e com-
       mand (see below) on the named file. That is, the file is read into ed's buffer so that  it
       can be edited.

       The ed utility operates on a copy of the file it is editing. Changes made to the copy have
       no effect on the file until a w (write) command is given.  The  copy  of  the  text  being
       edited resides in a temporary file called the buffer. There is only one buffer.

       The  red utility is a restricted version of ed. It will only allow editing of files in the
       current directory. red prohibits executing shell commands via !shell command. Attempts  to
       bypass these restrictions result in an error message (restricted shell).

       Both  ed  and red support the fspec(4) formatting capability. The default terminal mode is
       either stty -tabs or stty tab3, where tab stops are set at eight  columns  (see	stty(1)).
       If,  however,  the  first line of file contains a format specification, that specification
       will override the default mode. For example, tab stops would be set at 5, 10, and 15,  and
       a maximum line length of 72 would be imposed if the first line of file contains

	 <:t5,10,15 s72:>

       Commands  to  ed have a simple and regular structure: zero, one, or two addresses followed
       by a single-character command, possibly followed by  parameters	to  that  command.  These
       addresses  specify  one or more lines in the buffer. Every command that requires addresses
       has default addresses, so that the addresses can very often be omitted.

       In general, only one command may appear on a line. Certain commands  allow  the	input  of
       text.  This  text  is placed in the appropriate place in the buffer. While ed is accepting
       text, it is said to be in input mode. In this mode, no commands are recognized; all  input
       is  merely  collected. Leave input mode by typing a period (.) at the beginning of a line,
       followed immediately by a carriage return.

   /usr/bin/ed
       If ed executes commands with arguments, it uses the default shell /usr/bin/sh (see sh(1)).

   /usr/xpg4/bin/ed and /usr/xpg6/bin/ed
       If ed executes commands with arguments, it uses /usr/xpg4/bin/sh (see ksh(1)).

   Regular Expressions
       The ed utility supports a limited form of regular expression notation. Regular expressions
       are  used  in  addresses to specify lines and in some commands (for example, s) to specify
       portions of a line that are to be substituted. To understand addressing in ed, it is  nec-
       essary  to  know that at any time there is a current line. Generally speaking, the current
       line is the last line affected by a command. The exact effect on the current line is  dis-
       cussed under the description of each command.

       Internationalized  Basic Regular Expressions are used for all system-supplied locales. See
       regex(5).

   ed Commands
       Commands may require zero, one, or two  addresses.  Commands  that  require  no	addresses
       regard  the  presence of an address as an error. Commands that accept one or two addresses
       assume default addresses when an insufficient  number  of  addresses  is  given;  if  more
       addresses are given than such a command requires, the last one(s) are used.

       Typically,  addresses are separated from each other by a comma (,). They may also be sepa-
       rated by a semicolon (;). In the latter case, the first address is calculated, the current
       line (.) is set to that value, and then the second address is calculated. This feature can
       be used to determine the starting line for forward and backward searches (see Rules 5  and
       6, above). The second address of any two-address sequence must correspond to a line in the
       buffer that follows the line corresponding to the first address.

       For /usr/xpg6/gbin/ed, the address can be omitted on either side of the comma or semicolon
       separator, in which case the resulting address pairs are as follows:

       +-----------------------------+-----------------------------+
       |	 Specified	     |	       Resulting	   |
       +-----------------------------+-----------------------------+
       |,			     |1 , $			   |
       +-----------------------------+-----------------------------+
       |, addr			     |1 , addr			   |
       +-----------------------------+-----------------------------+
       |addr ,			     |addr , addr		   |
       +-----------------------------+-----------------------------+
       |;			     |1 ; $			   |
       +-----------------------------+-----------------------------+
       |; addr			     |1 ; addr			   |
       +-----------------------------+-----------------------------+
       |addr ;			     |addr ; addr		   |
       +-----------------------------+-----------------------------+

       Any  <blank>s  included	between  addresses,  address  separators,  or address offsets are
       ignored.

       In the following list of ed commands, the parentheses shown prior to the command  are  not
       part of the address. Rather, the parentheses show the default address(es) for the command.

       Each  address component can be preceded by zero or more blank characters. The command let-
       ter can be preceded by zero or more blank characters. If a suffix letter (l, n, or  p)  is
       given, it must immediately follow the command.

       The e, E, f, r, and w commands take an optional file parameter, separated from the command
       letter by one or more blank characters.

       If changes have been made in the buffer since the last w command  that  wrote  the  entire
       buffer,	ed warns the user if an attempt is made to destroy the editor buffer via the e or
       q commands. The ed utility writes the string:

	 "?\n"

       (followed by an explanatory message if help mode has been enabled via the  H  command)  to
       standard  output  and continues in command mode with the current line number unchanged. If
       the e or q command is repeated with no intervening command, ed takes effect.

       If an end-of-file is detected on standard input when a command is expected, the ed utility
       acts as if a q command had been entered.

       It  is  generally illegal for more than one command to appear on a line. However, any com-
       mand (except e, f, r, or w) may be suffixed by l, n, or p in which case the  current  line
       is  either  listed,  numbered or written, respectively, as discussed below under the l, n,
       and p commands.

       (.)a	  The append command accepts zero or more lines of text and appends it after  the
       <text>	  addressed line in the buffer. The current line (.) is left at the last inserted
       .	  line, or, if there were none, at the addressed line. Address	0  is  legal  for
		  this	command: it causes the ``appended'' text to be placed at the beginning of
		  the buffer. The maximum number of characters that may be entered from a  termi-
		  nal is 256 per line (including the new-line character).

       (.,.)c	  The  change  command	deletes the addressed lines from the buffer, then accepts
       <text>	  zero or more lines of text that replaces these lines in the buffer. The current
       .	  line	(.)  is left at the last line input, or, if there were none, at the first
		  line that was not deleted. If the lines deleted were originally at the  end  of
		  the  buffer, the current line number will be set to the address of the new last
		  line. If no lines remain in the buffer, the current line number will be set  to
		  0.

		  /usr/xpg4/bin/ed    Address 0 is not legal for this command.

		  /usr/xpg6/bin/ed    Address  0  is valid for this command. It is interpreted as
				      if the address 1 were specified.

       C	  Same as the X command, described later, except that ed assumes all text read in
		  for the e and r commands is encrypted unless a null key is typed in.

       (.,.)d	  The  delete command deletes the addressed lines from the buffer. The line after
		  the last line deleted becomes the current line. If the lines deleted were orig-
		  inally at the end of the buffer, the new last line becomes the current line. If
		  no lines remain in the buffer, the current line number will be set to 0.

       e file	  The edit command deletes the entire contents of the buffer and then  reads  the
		  contents  of file into the buffer. The current line (.) is set to the last line
		  of the buffer. If file is not given, the currently  remembered  file	name,  if
		  any,	is  used (see the f command). The number of bytes read will be written to
		  standard output, unless the -s option was specified, in the following format:

		  "%d\n" <number of bytes read>

		  file is remembered for possible use as a default file name in subsequent e,  E,
		  r,  and  w commands. If file is replaced by !, the rest of the line is taken to
		  be a shell ( sh(1)) command whose output is to be read. Such a shell command is
		  not remembered as the current file name.  See also DIAGNOSTICS below. All marks
		  are discarded upon the completion of a successful e command. If the buffer  has
		  changed  since the last time the entire buffer was written, the user is warned,
		  as described previously.

       E file	  The Edit command is like e, except that the editor does not check to see if any
		  changes have been made to the buffer since the last w command.

       f file	  If  file  is given, the f command changes the currently remembered path name to
		  file. Whether the name is changed or not, the f command then writes the (possi-
		  bly new) currently remembered path name to the standard output in the following
		  format:

		  "%s\n"pathname

		  The current line number is unchanged.

       (1,$)g/RE/command list	 In the global command, the first step is to mark every line that
				 matches  the given RE. Then, for every such line, the given com-
				 mand list is executed with the current line (.) initially set to
				 that line. When the g command completes, the current line number
				 has the value assigned by the last command in the command  list.
				 If  there were no matching lines, the current line number is not
				 changed. A single command or the first of  a  list  of  commands
				 appears  on  the same line as the global command. All lines of a
				 multi-line list except the last line must be ended with a  back-
				 slash (\); a, i, and c commands and associated input are permit-
				 ted. The . terminating input mode may be omitted if it would  be
				 the  last  line  of  the  command list. An empty command list is
				 equivalent to the p command. The g, G, v, V, and ! commands  are
				 not  permitted  in  the command list. See also the NOTES and the
				 last paragraph before FILES  below.  Any  character  other  than
				 space	or  newline can be used instead of a slash to delimit the
				 RE. Within the RE, the RE delimiter itself can be used as a lit-
				 eral character if it is preceded by a backslash.

       (1,$)G/RE/		 In  the  interactive  Global  command, the first step is to mark
				 every line that matches the given RE. Then, for every such line,
				 that line is written to standard output, the current line (.) is
				 changed to that line, and any one command (other than one of the
				 a,  c, i, g, G, v, and V commands) may be input and is executed.
				 After the execution of that command, the  next  marked  line  is
				 written,  and	so  on.  A  new-line acts as a null command. An &
				 causes the re-execution of the most recent non-null command exe-
				 cuted	within	the  current invocation of G. Note:  The commands
				 input as part of the execution of the G command may address  and
				 affect  any  lines in the buffer. The final value of the current
				 line number is the value set by the  last  command  successfully
				 executed. (Notice that the last command successfully executed is
				 the G command itself if a command fails or the null  command  is
				 specified.)  If  there  were no matching lines, the current line
				 number is not changed. The G command can be terminated by a SIG-
				 INT signal. The G command can be terminated by an interrupt sig-
				 nal (ASCII DEL or BREAK). Any character other than space or new-
				 line  can  be	used instead of a slash to delimit the RE. Within
				 the RE, the RE delimiter itself can be used as a literal charac-
				 ter if it is preceded by a backslash.

       h			 The  help  command gives a short error message that explains the
				 reason for the most recent ? diagnostic. The current line number
				 is unchanged.

       H			 The  Help  command causes ed to enter a mode in which error mes-
				 sages are written for all  subsequent	?  diagnostics.  It  also
				 explains  the	previous ? if there was one. The H command alter-
				 nately turns this mode on and off; it is initially off. The cur-
				 rent line number is unchanged.

       (.,.)i			 The  insert  command  accepts	zero  or  more	lines of text and
       <text>			 inserts it before the addressed line in the buffer. The  current
       .			 line  (.)  is	left at the last inserted line, or, if there were
				 none, at the addressed line. This command  differs  from  the	a
				 command  only	in  the  placement of the input text. The maximum
				 number of characters that may be entered from a terminal is  256
				 per line (including the new-line character).

				 /usr/xpg4/bin/ed    Address 0 is not legal for this command.

				 /usr/xpg6/bin/ed    Address  0  is valid for this command. It is
						     interpreted as if the address 1 were  speci-
						     fied.

       (.,.+1)j 		 The  join  command joins contiguous lines by removing the appro-
				 priate new-line characters. If exactly  one  address  is  given,
				 this command does nothing. If lines are joined, the current line
				 number is set to the address of the joined line. Otherwise,  the
				 current line number is unchanged.

       (.)kx			 The  mark  command  marks  the addressed line with name x, which
				 must be an ASCII lower-case letter (a-z). The address	a'x  then
				 addresses this line. The current line (.) is unchanged.

       (.,.)l			 The l command writes to standard output the addressed lines in a
				 visually unambiguous form. The characters ( \\, \a, \b, \f,  \r,
				 \t, \v) are written as the corresponding escape sequence. The \n
				 in that table is not applicable. Non-printable characters not in
				 the  table  are  written as one three-digit octal number (with a
				 preceding backslash character) for each byte in  the  character,
				 with the most significant byte first.

				 Long  lines  are  folded, with the point of folding indicated by
				 writing backslash/newline character. The length at which folding
				 occurs  is unspecified, but should be appropriate for the output
				 device. The end of each line is marked with a $. When using  the
				 /usr/xpg6/bin/ed  command, the end of each line is marked with a
				 $ due to folding, and $ characters within the text  are  written
				 with  a preceding backslash. An l command can be appended to any
				 other command other than e, E, f, q, Q, r, w, or !. The  current
				 line number is set to the address of the last line written.

       (.,.)ma			 The  move  command  repositions  the addressed line(s) after the
				 line addressed by a. Address 0 is legal for  a  and  causes  the
				 addressed  line(s)  to be moved to the beginning of the file. It
				 is an error if address a falls within the range of moved  lines.
				 The current line (.) is left at the last line moved.

       (.,.)n			 The  number  command  writes the addressed lines, preceding each
				 line by its line number and a tab character.  The  current  line
				 (.)  is  left	at  the  last  line written. The n command may be
				 appended to any command other than e, E, f, q, Q, r, w, or !.

       (.,.)p			 The print command writes the addressed lines to standard output.
				 The  current  line  (.)  is left at the last line written. The p
				 command may be appended to any command other than e, E, f, q, Q,
				 r,  w, or !. For example, dp deletes the current line and writes
				 the new current line.

       P			 The P command causes ed to  prompt  with  an  asterisk  (*)  (or
				 string,  if  -p is specified) for all subsequent commands. The P
				 command alternatively turns this mode on and  off;  it  is  ini-
				 tially on if the -p option is specified, otherwise off. The cur-
				 rent line is unchanged.

       q			 The quit command causes ed to exit. If the  buffer  has  changed
				 since	the  last time the entire buffer was written, the user is
				 warned. See DIAGNOSTICS.

       Q			 The editor exits without checking if changes have been  made  in
				 the buffer since the last w command.

       ($)r file		 The  read command reads the contents of file into the buffer. If
				 file is not given, the currently remembered file name,  if  any,
				 is  used  (see  the  e and f commands). The currently remembered
				 file name is not changed unless file is the very first file name
				 mentioned  since  ed  was  invoked. Address 0 is legal for r and
				 causes the file to be read in at the beginning of the buffer. If
				 the  read is successful and the -s option was not specified, the
				 number of characters read is written to standard output  in  the
				 following format:

				   %d\n, <number of bytes read>

				 The  current  line  (.) is set to the last line read. If file is
				 replaced by !, the rest of the line is taken to be a shell  com-
				 mand (see sh(1)) whose output is to be read. For example, $r !ls
				 appends the current directory to  the	end  of  the  file  being
				 edited.  Such	a  shell command is not remembered as the current
				 file name.

       (.,.)s/RE/replacement/
       (.,.)s/RE/replacement/count, count=[1-2047]
       (.,.)s/RE/replacement/g
       (.,.)s/RE/replacement/l
       (.,.)s/RE/replacement/n
       (.,.)s/RE/replacement/p

	   The substitute command searches each addressed line for an occurrence of the specified
	   RE. Zero or more substitution commands can be specified. In each line in which a match
	   is found, all (non-overlapped) matched strings are replaced by the replacement if  the
	   global replacement indicator g appears after the command. If the global indicator does
	   not appear, only the first occurrence of the matched string is replaced. If	a  number
	   count appears after the command, only the count-th occurrence of the matched string on
	   each addressed line is replaced. It is an error  if	the  substitution  fails  on  all
	   addressed lines. Any character other than space or new-line may be used instead of the
	   slash (/) to delimit the RE and the replacement. The current line (.) is left  at  the
	   last line on which a substitution occurred. Within the RE, the RE delimiter itself can
	   be used as a literal character if it is preceded by a backslash.  See  also	the  last
	   paragraph before FILES below.

	   An  ampersand  (&) appearing in the replacement is replaced by the string matching the
	   RE on the current line. The special meaning of & in this context may be suppressed  by
	   preceding  it  by \. As a more general feature, the characters \n, where n is a digit,
	   are replaced by the text matched by the n-th regular subexpression of the specified RE
	   enclosed between \( and \). When nested parenthesized subexpressions are present, n is
	   determined by counting occurrences of \( starting from the left. When the character	%
	   is the only character in the replacement, the replacement used in the most recent sub-
	   stitute command is used as the replacement in the current substitute command. If there
	   was	no  previous  substitute  command, the use of % in this manner is an error. The %
	   loses its special meaning when it is in a replacement string of more than one  charac-
	   ter	or is preceded by a \. For each backslash (\) encountered in scanning replacement
	   from beginning to end, the following character loses its special meaning (if any).  It
	   is  unspecified  what special meaning is given to any character other than &, \, %, or
	   digits.

	   A line may be split by substituting a new-line character into it. The new-line in  the
	   replacement	must be escaped by preceding it by \. Such substitution cannot be done as
	   part of a g or v command list. The current line number is set to the  address  of  the
	   last  line  on which a substitution is performed. If no substitution is performed, the
	   current line number is unchanged. If a line is split, a substitution is considered  to
	   have  been  performed  on each of the new lines for the purpose of determining the new
	   current line number. A substitution is considered to have been performed even  if  the
	   replacement string is identical to the string that it replaces.

	   The substitute command supports the following indicators:

	   count    Substitute	for the countth occurrence only of the RE found on each addressed
		    line. count must be between 1-2047.

	   g	    Globally substitute for all non-overlapping instances of the RE  rather  than
		    just  the  first  one.  If	both  g  and count are specified, the results are
		    unspecified.

	   l	    Write to standard output the final line in which a substitution was made. The
		    line is written in the format specified for the l command.

	   n	    Write to standard output the final line in which a substitution was made. The
		    line is written in the format specified for the n command.

	   p	    Write to standard output the final line in which a substitution was made. The
		    line will be written in the format specified for the p command.

       (.,.)ta

	   This  command  acts just like the m command, except that a copy of the addressed lines
	   is placed after address a (which may be 0). The current line (.) is left at	the  last
	   line copied.

       u

	   The	undo  command  nullifies the effect of the most recent command that modified any-
	   thing in the buffer, namely the most recent a, c, d, g, i, j, m, r, s, t, u, v, G,  or
	   V  command. All changes made to the buffer by a g, G, v, or V global command is undone
	   as a single change.If no changes were made by the global  command  (such  as  with  g/
	   RE/p), the u command has no effect. The current line number is set to the value it had
	   immediately before the  command being undone started.

       (1,$)v/RE/command list

	   This command is the same as the global command g, except that the lines marked  during
	   the first step are those that do not match the RE.

       (1,$)V/RE/

	   This  command  is  the same as the interactive global command G, except that the lines
	   that are marked during the first step are those that do not match the RE.

       (1,$)w file

	   The write command writes the addressed lines into file. If file does not exist, it  is
	   created  with  mode 666 (readable and writable by everyone), unless your file creation
	   mask dictates otherwise. See the description of the umask special  command  on  sh(1).
	   The	currently  remembered file name is not changed unless file is the very first file
	   name mentioned since ed was invoked. If no file name is given,  the	currently  remem-
	   bered  file	name, if any, is used (see the e and f commands). The current line (.) is
	   unchanged. If the command is successful, the number of characters written is  printed,
	   unless the -s option is specified in the following format:

	     "%d\n",<number of bytes written>

	   If file is replaced by !, the rest of the line is taken to be a shell (see sh(1)) com-
	   mand whose standard input is the addressed lines. Such a shell command is  not  remem-
	   bered  as  the current path name. This usage of the write command with ! is to be con-
	   sidered as a ``last w command that wrote the entire buffer''.

       (1,$)W file	  This command is the same as the write command  above,  except  that  it
			  appends  the	addressed  lines to the end of file if it exists. If file
			  does not exist, it is created as described above for the w command.

       X		  An educated guess is made to determine whether text read for the e  and
			  r commands is encrypted. A null key turns off encryption. Subsequent e,
			  r, and w commands will use this key to encrypt or decrypt the text.  An
			  explicitly  empty  key turns off encryption. Also, see the -x option of
			  ed.

       ($)=		  The line number of the addressed line is written to standard output  in
			  the following format:

			    "%d\n"<line number>

			  The current line number is unchanged by this command.

       !shell command	  The  remainder of the line after the ! is sent to the UNIX system shell
			  (see sh(1)) to be interpreted as a command. Within  the  text  of  that
			  command, the unescaped character % is replaced with the remembered file
			  name. If a ! appears as the first character of the shell command, it is
			  replaced  with the text of the previous shell command. Thus, !! repeats
			  the last shell command. If any replacements of % or  !  are  performed,
			  the  modified  line is written to the standard output before command is
			  executed. The ! command will write:

			  "!\n"

			  to standard output upon completion, unless the -s option is  specified.
			  The current line number is unchanged.

       (.+1)<new-line>	  An  address  alone on a line causes the addressed line to be written. A
			  new-line alone is equivalent to .+1p. It is useful for stepping forward
			  through  the buffer. The current line number will be set to the address
			  of the written line.

       If an interrupt signal (ASCII DEL or BREAK) is sent, ed writes a "?\n" and returns to  its
       command level.

       The ed utility takes the standard action for all signals with the following exceptions:

       SIGINT	 The ed utility interrupts its current activity, writes the string "?\n" to stan-
		 dard output, and returns to command mode.

       SIGHUP	 If the buffer is not empty and has changed since the last write, the ed  utility
		 attempts  to  write a copy of the buffer in a file. First, the file named ed.hup
		 in the current directory is used. If that fails, the file named  ed.hup  in  the
		 directory  named  by  the HOME environment variable is used. In any case, the ed
		 utility exits without returning to command mode.

       Some size limitations are in effect: 512 characters in a line, 256 characters in a  global
       command	list, and 255 characters in the path name of a file (counting slashes). The limit
       on the number of lines depends on the amount of user memory. Each line takes 1 word.

       When reading a file, ed discards ASCII and NUL characters.

       If a file is not terminated by a new-line character, ed adds one and puts  out  a  message
       explaining what it did.

       If the closing delimiter of an RE or of a replacement string (for example, /) would be the
       last character before a new-line, that  delimiter  may  be  omitted,  in  which	case  the
       addressed line is written. The following pairs of commands are equivalent:

       s/s1/s2	  s/s1/s2/p

       g/s1	  g/s1/p

       ?s1	  ?s1?

       If an invalid command is entered, ed writes the string:

       "?\n"

       (followed  by  an  explanatory  message if help mode has been enabled by the H command) to
       standard output and continues in command mode with the current line number unchanged.

OPTIONS
       -C	    Encryption option. The same as the -x option, except that ed  simulates  a	C
		    command. The C command is like the X command, except that all text read in is
		    assumed to have been encrypted.

       -pstring     Allows the user to specify a prompt string. By default, there  is  no  prompt
		    string.

       -s |  -;     Suppresses	the writing of character counts by e, r, and w commands, of diag-
		    nostics from e and q commands, and of the ! prompt after a !shell command.

       -x	    Encryption option. When -x is used, ed simulates an X command and prompts the
		    user  for  a  key. The X command makes an educated guess to determine whether
		    text read in is encrypted or not. The  temporary  buffer  file  is	encrypted
		    also,  using a transformed version of the key typed in for the -x option. See
		    NOTES.

OPERANDS
       The following operand is supported:

       file    If file is specified, ed simulates an e command on the file named by the path name
	       file before accepting commands from the standard input.

USAGE
       See largefile(5) for the description of the behavior of ed and red when encountering files
       greater than or equal to 2 Gbyte ( 2^31 bytes).

ENVIRONMENT VARIABLES
       See environ(5) for descriptions of the following environment  variables	that  affect  the
       execution of ed: HOME, LANG, LC_ALL, LC_CTYPE, LC_COLLATE, LC_MESSAGES, and NLSPATH.

EXIT STATUS
       The following exit values are returned:

       0     Successful completion without any file or command errors.

       >0    An error occurred.

FILES
       $TMPDIR	   If  this  environment  variable  is	not  NULL,  its value is used in place of
		   /var/tmp as the directory name for the temporary work file.

       /var/tmp    If /var/tmp exists, it is used as the directory name for  the  temporary  work
		   file.

       /tmp	   If  the environment variable TMPDIR does not exist or is NULL, and if /var/tmp
		   does not exist, then /tmp is used as the directory name for the temporary work
		   file.

       ed.hup	   Work is saved here if the terminal is hung up.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

   /usr/bin/ed, /usr/bin/red
       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |CSI			     |Enabled			   |
       +-----------------------------+-----------------------------+

   /usr/xpg4/bin/ed
       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWxcu4			   |
       +-----------------------------+-----------------------------+
       |CSI			     |Enabled			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+

   /usr/xpg6/bin/ed
       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWxcu6			   |
       +-----------------------------+-----------------------------+
       |CSI			     |Enabled			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+

SEE ALSO
       bfs(1),	edit(1),  ex(1),  grep(1),  ksh(1),  sed(1),  sh(1),  stty(1),	umask(1),  vi(1),
       fspec(4), attributes(5), environ(5), largefile(5), regex(5), standards(5)

DIAGNOSTICS
       ?	for command errors.

       ?file	for an inaccessible file. Use the help and Help commands  for  detailed  explana-
		tions.

       If  changes  have  been	made in the buffer since the last w command that wrote the entire
       buffer, ed warns the user if an attempt is made to destroy ed's buffer via the e or q com-
       mands.  It  writes  ?  and allows one to continue editing. A second e or q command at this
       point will take effect. The -s command-line option inhibits this feature.

NOTES
       The - option, although it continues to be supported, has been replaced in  the  documenta-
       tion by the -s option that follows the Command Syntax Standard (see Intro(1)).

       A ! command cannot be subject to a g or a v command.

       The  ! command and the ! escape from the e, r, and w commands cannot be used if the editor
       is invoked from a restricted shell (see sh(1)).

       The sequence \n in an RE does not match a new-line character.

       If the editor input is coming from a command file (for example, ed  file  <  ed_cmd_file),
       the editor exits at the first failure.

       Loading	an alternate malloc() library using the environment variable LD_PRELOAD can cause
       problems for /usr/bin/ed.

SunOS 5.11				   10 Dec 2003					    ed(1)


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