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Full Discussion: List of common identifiers
Top Forums Shell Programming and Scripting List of common identifiers Post 302335381 by phil_heath on Saturday 18th of July 2009 09:19:52 PM
Old 07-18-2009
List of common identifiers

Hi all,

I have 4 file and I want to find the common identifier in each file. For example:

FILE1
goat
door
bear
cat

FILE2
goat
moose
dog
cat

FILE3
goat
yak
tiger
cat

FILE4
goat
yak
lion
cat

So its obvious that goal and cat are common for all 4 files so that would get printed out into an output file.

Is there a quick UNIX command for that?

thanks
 

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GZEXE(1)						      General Commands Manual							  GZEXE(1)

NAME
gzexe - compress executable files in place SYNOPSIS
gzexe [ name ... ] DESCRIPTION
The gzexe utility allows you to compress executables in place and have them automatically uncompress and execute when you run them (at a penalty in performance). For example if you execute ``gzexe /bin/cat'' it will create the following two files: -r-xr-xr-x 1 root bin 9644 Feb 11 11:16 /bin/cat -r-xr-xr-x 1 bin bin 24576 Nov 23 13:21 /bin/cat~ /bin/cat~ is the original file and /bin/cat is the self-uncompressing executable file. You can remove /bin/cat~ once you are sure that /bin/cat works properly. This utility is most useful on systems with very small disks. OPTIONS
-d Decompress the given executables instead of compressing them. SEE ALSO
gzip(1), znew(1), zmore(1), zcmp(1), zforce(1) CAVEATS
The compressed executable is a shell script. This may create some security holes. In particular, the compressed executable relies on the PATH environment variable to find gzip and some other utilities (tail, chmod, ln, sleep). BUGS
gzexe attempts to retain the original file attributes on the compressed executable, but you may have to fix them manually in some cases, using chmod or chown. GZEXE(1)
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