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Top Forums UNIX for Dummies Questions & Answers command to remove last record on file Post 302102285 by mheinen on Tuesday 9th of January 2007 12:23:02 PM
Old 01-09-2007
command to remove last record on file

Hi,
First time on the forum. I have converted some files using the Unix to DOS command but need to strip off the last record that is generated from this conversion that contains just a ^Z. Is there any command that would accomplish this without having to do stream editing?
 

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mcopy(1)						      General Commands Manual							  mcopy(1)

Name
       mcopy - copy MSDOS files to/from Unix

Note of warning
       This  manpage  has been automatically generated from mtools's texinfo documentation, and may not be entirely accurate or complete.  See the
       end of this man page for details.

Description
       The mcopy command is used to copy MS-DOS files to and from Unix. It uses the following syntax:

	  mcopy [-bspanvmQT] [-D clash_option] sourcefile targetfile
	  mcopy [-bspanvmQT] [-D clash_option] sourcefile [ sourcefiles... ] targetdirectory
	  mcopy [-tnvm] MSDOSsourcefile

       Mcopy copies the specified file to the named file, or copies multiple files to the named directory.  The source and target  can	be  either
       MS-DOS or Unix files.

       The  use  of  a	drive letter designation on the MS-DOS files, 'a:' for example, determines the direction of the transfer.  A missing drive
       designation implies a Unix file whose path starts in the current directory.  If a source drive letter is specified with	no  attached  file
       name (e.g. mcopy a: .), all files are copied from that drive.

       If  only  a  single, MS-DOS source parameter is provided (e.g. "mcopy a:foo.exe"), an implied destination of the current directory (`.') is
       assumed.

       A filename of `-' means standard input or standard output, depending on its position on the command line.

       Mcopy accepts the following command line options:

       t      Text file transfer.  Mcopy translates incoming carriage return/line feeds to line feeds when copying from Dos  to  Unix,	and  vice-
	      versa when copying from Unix to Dos.

       b      Batch mode. Optimized for huge recursive copies, but less secure if a crash happens during the copy.

       s      Recursive copy.  Also copies directories and their contents

       p      Preserves the attributes of the copied files

       Q      When mcopying multiple files, quits as soon as one copy fails (for example due to lacking storage space on the target disk)

       a      Text (Ascii) file transfer.  Mcopy translates incoming carriage return/line feeds to line feeds.

       T      Text  (Ascii)  file  transfer  with  charset  conversion.   Differs from -a in the Mcopy also translates incoming PC-8 characters to
	      ISO-8859-1 equivalents as far as possible.  When reading DOS files, untranslatable characters are replaced by '#'; when writing  DOS
	      files, untranslatable characters are replaced by '.'.

       n      No  confirmation	when  overwriting  Unix  files.   Mcopy doesn't warn the user when overwriting an existing Unix file.  In order to
	      switch off confirmation for DOS files, use -o.

       m      Preserve the file modification time. If the target file already exists, and the -n option is not in effect, mcopy  asks  whether	to
	      overwrite the file or to rename the new file (`name clashes') for details).

       v      Verbose. Displays the name of each file as it is copied.

Bugs
       Unlike MS-DOS, the '+' operator (append) from MS-DOS is not supported. However, you may use mtype to produce the same effect:

	  mtype a:file1 a:file2 a:file3 >unixfile
	  mtype a:file1 a:file2 a:file3 | mcopy - a:msdosfile

See Also
       Mtools' texinfo doc

Viewing the texi doc
       This  manpage  has  been automatically generated from mtools's texinfo documentation. However, this process is only approximative, and some
       items, such as crossreferences, footnotes and indices are lost in this translation process.  Indeed, these items have no appropriate repre-
       sentation  in  the manpage format.  Moreover, not all information has been translated into the manpage version.	Thus I strongly advise you
       to use the original texinfo doc.  See the end of this manpage for instructions how to view the texinfo doc.

       *      To generate a printable copy from the texinfo doc, run the following commands:

		     ./configure; make dvi; dvips mtools.dvi

       *      To generate a html copy,	run:

		     ./configure; make html

	      A premade html can be found at: `http://mtools.linux.lu' and also at: `http://www.tux.org/pub/knaff/mtools'

       *      To generate an info copy (browsable using emacs' info mode), run:

		     ./configure; make info

       The texinfo doc looks most pretty when printed or as html.  Indeed, in the info version certain examples are difficult to read due  to  the
       quoting conventions used in info.

mtools-3.9.8							      02Jun01								  mcopy(1)
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