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Full Discussion: How to put a word starting at particular position in a file using shell scripting
Top Forums Shell Programming and Scripting How to put a word starting at particular position in a file using shell scripting Post 302375294 by radoulov on Friday 27th of November 2009 06:47:59 AM
Old 11-27-2009
What version of AWK/OS you're using? I get the expected result (I added cat -e to show you the line endings):

Code:
% cat config.txt
{
                        'name'  :       'Field1',
                        'type'  :       'input',
                        'spos'  :       1,
                        'size'  :       2,
                },
                {
                        'name'  :       'Field2',
                        'type'  :       'input',
                        'spos'  :       3,
                        'size'  :       2,
                },
                {
                        'name'  :       'Field3',
                        'type'  :       'input',
                        'spos'  :       5,
                        'size'  :       8,
                },
                {
                        'name'  :       'Field4',
                        'type'  :       'input',
                        'spos'  :       13,
                        'size'  :       11,
                },
                {
                        'name'  :       'Field5',
                        'type'  :       'input',
                        'spos'  :       24,
                        'size'  :       11,
                },
% cat temp.txt 
1       12      123     1234    1
A       AB      ABC     ABDC    e
% [I]awk 'NR == FNR {
  /^[ \t]*\47name/ && c++      # get the field number
  if (/^[ \t]*\47size/) {
    split($0, t, ":")
    gsub(/[ \t\47,]/, x, t[2]) # strip punctuation
    fmt[c] = t[2]              # get the size
    }
  next                         # run the above actions
  }                            # + only for the first input file
{
  for (i=1; i<=NF; i++)        # output the strings in the correct format
    printf "%" (length($i) > fmt[i] ? "." : "-" ) fmt "s", $i
  print x
  }' config.txt temp.txt|cat -e
1 12123     1234       1          $
A ABABC     ABDC       e          $

 

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LEARN ABOUT MOJAVE

textutil

TEXTUTIL(1)						    BSD General Commands Manual 					       TEXTUTIL(1)

NAME

     textutil -- text utility

SYNOPSIS

     textutil [command_option] [other_options] file ...

DESCRIPTION

     textutil can be used to manipulate text files of various formats, using the mechanisms provided by the Cocoa text system.

     The first argument indicates the operation to perform, one of:

     -help	   Show the usage information for the command and exit.  This is the default command option if none is specified.

     -info	   Display information about the specified files.

     -convert fmt  Convert the specified files to the indicated format and write each one back to the file system.

     -cat fmt	   Read the specified files, concatenate them, and write the result out as a single file in the indicated format.

		   fmt is one of:  txt, html, rtf, rtfd, doc, docx, wordml, odt, or webarchive

     There are some additional options for general use:

     -extension ext  Specify an extension to be used for output files (by default, the extension will be determined from the format).

     -output path    Specify the file name to be used for the first output file.

     -stdin	     Specify that input should be read from stdin rather than from files.

     -stdout	     Specify that the first output file should go to stdout.

     -encoding IANA_name | NSStringEncoding
		     Specify the encoding to be used for plain text or HTML output files (by default, the output encoding will be UTF-8).
		     NSStringEncoding refers to one of the numeric values recognized by NSString.  IANA_name refers to an IANA character set name
		     as understood by CFString.  The operation will fail if the file cannot be converted to the specified encoding.

     -inputencoding IANA_name | NSStringEncoding
		     Force all plain text input files to be interpreted using the specified encoding (by default, a file's encoding will be deter-
		     mined from its BOM).  The operation will fail if the file cannot be interpreted using the specified encoding.

     -format fmt     Force all input files to be interpreted using the indicated format (by default, a file's format will be determined from its
		     contents).

     -font font      Specify the name of the font to be used for converting plain to rich text.

     -fontsize size  Specify the size in points of the font to be used for converting plain to rich text.

     -- 	     Specify that all further arguments are file names.

     There are some additional options for HTML and WebArchive files:

     -noload	      Do not load subsidiary resources.

     -nostore	      Do not write out subsidiary resources.

     -baseurl url     Specify a base URL to be used for relative URLs.

     -timeout t       Specify the time in seconds to wait for resources to load.

     -textsizemultiplier x
		      Specify a numeric factor by which to multiply font sizes.

     -excludedelements (tag1, tag2, ...)
		      Specify which HTML elements should not be used in generated HTML (the list should be a single argument, and so will usually
		      need to be quoted in a shell context).

     -prefixspaces n  Specify the number of spaces by which to indent nested elements in generated HTML (default is 2).

     There are some additional options for treating metadata:

     -strip	   Do not copy metadata from input files to output files.

     -title val    Specify the title metadata attribute for output files.

     -author val   Specify the author metadata attribute for output files.

     -subject val  Specify the subject metadata attribute for output files.

     -keywords (val1, val2, ...)
		   Specify the keywords metadata attribute for output files (the list should be a single argument, and so will usually need to be
		   quoted in a shell context).

     -comment val  Specify the comment metadata attribute for output files.

     -editor val   Specify the editor metadata attribute for output files.

     -company val  Specify the company metadata attribute for output files.

     -creationtime yyyy-mm-ddThh:mm:ssZ
		   Specify the creation time metadata attribute for output files.

     -modificationtime yyyy-mm-ddThh:mm:ssZ
		   Specify the modification time metadata attribute for output files.

EXAMPLES

	 textutil -info foo.rtf

     displays information about foo.rtf.

	 textutil -convert html foo.rtf

     converts foo.rtf into foo.html.

	 textutil -convert rtf -font Times -fontsize 10 foo.txt

     converts foo.txt into foo.rtf, using Times 10 for the font.

	 textutil -cat html -title "Several Files" -output index.html *.rtf

     loads all RTF files in the current directory, concatenates their contents, and writes the result out as index.html with the HTML title set to
     "Several Files".

DIAGNOSTICS

     The textutil command exits 0 on success, and 1 on failure.

CAUTIONS

     Some options may require a connection to the window server.

HISTORY

     The textutil command first appeared in Mac OS X 10.4.

macOS								 September 9, 2004							     macOS
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