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Full Discussion: Comparing two directories with diff
Top Forums Shell Programming and Scripting Comparing two directories with diff Post 303028579 by stomp on Thursday 10th of January 2019 03:51:07 PM
Old 01-10-2019
Do you want to know about different contents too or is it enough if files with the right names exist.

For the latter(just an idea, not tested)

Code:
user@server1 $ ls >files-s1
user@server2 $ ls >files-s2
# create all files list
cat files-s1 files-s2 | sort -u >files-all

# missing from server1
grep -f files-s1 -v files-all

 

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LEARN ABOUT POSIX

zgrep

ZGREP(1)						      General Commands Manual							  ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep	options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

																	  ZGREP(1)
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