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Full Discussion: Help with cp command when destination file is opened
Top Forums Shell Programming and Scripting Help with cp command when destination file is opened Post 302598735 by arunkumar_ms on Wednesday 15th of February 2012 09:28:18 AM
Old 02-15-2012
Help with cp command when destination file is opened
I am writing a shell script (runs on HP Unix) which copies files from a source directory to another destination daily. The destination directory always have the files with same name as in the source directory. And daily a new file will be created in the source.

cp command works fine if the file in the destination directory is not in use (not opened by a user).

But fails to copy, if the file in the destination directory is opened. Any ways to copy a file even if it is opened or in use by a user?

Example code I am using:
Code:
cp ${sourcepath}/filename ${destination}/filename

Have tried cp with " -f " option too.

Thanks,
Arun
Last edited by Franklin52; 02-15-2012 at 10:57 AM.. Reason: Please use code tags for code and data samples, thank you
 

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LEARN ABOUT REDHAT

extutils::command

ExtUtils::Command(3pm)					 Perl Programmers Reference Guide				    ExtUtils::Command(3pm)

NAME

       ExtUtils::Command - utilities to replace common UNIX commands in Makefiles etc.

SYNOPSIS

	 perl -MExtUtils::Command -e cat files... > destination
	 perl -MExtUtils::Command -e mv source... destination
	 perl -MExtUtils::Command -e cp source... destination
	 perl -MExtUtils::Command -e touch files...
	 perl -MExtUtils::Command -e rm_f file...
	 perl -MExtUtils::Command -e rm_rf directories...
	 perl -MExtUtils::Command -e mkpath directories...
	 perl -MExtUtils::Command -e eqtime source destination
	 perl -MExtUtils::Command -e chmod mode files...
	 perl -MExtUtils::Command -e test_f file

DESCRIPTION

       The module is used to replace common UNIX commands.  In all cases the functions work from @ARGV rather than taking arguments.  This makes
       them easier to deal with in Makefiles.

	 perl -MExtUtils::Command -e some_command some files to work on

       NOT

	 perl -MExtUtils::Command -e 'some_command qw(some files to work on)'

       Filenames with * and ? will be glob expanded.

       cat Concatenates all files mentioned on command line to STDOUT.

       eqtime src dst
	   Sets modified time of dst to that of src

       rm_rf files....
	   Removes directories - recursively (even if readonly)

       rm_f files....
	   Removes files (even if readonly)

       touch files ...
	   Makes files exist, with current timestamp

       mv source... destination
	   Moves source to destination.  Multiple sources are allowed if destination is an existing directory.

       cp source... destination
	   Copies source to destination.  Multiple sources are allowed if destination is an existing directory.

       chmod mode files...
	   Sets UNIX like permissions 'mode' on all the files.

       mkpath directory...
	   Creates directory, including any parent directories.

       test_f file
	   Tests if a file exists

BUGS

       Should probably be Auto/Self loaded.

SEE ALSO

       ExtUtils::MakeMaker, ExtUtils::MM_Unix, ExtUtils::MM_Win32

AUTHOR

       Nick Ing-Simmons <nick@ni-s.u-net.com>.

perl v5.8.0							    2002-06-01						    ExtUtils::Command(3pm)
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