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UNIX for Dummies Questions & Answers
Listing no. of files in UNIX with common prefix name
Post 302796121 by Hitesh1008 on Friday 19th of April 2013 02:25:36 AM
04-19-2013
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Is there a simple way to find the longest common prefix of a space-separated list of strings, optionally by field?
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Dear All,
assume i have a file with content:
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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)