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Full Discussion: Using Diff to compare 2 arrays
Top Forums Shell Programming and Scripting Using Diff to compare 2 arrays Post 302874183 by newbie2010 on Thursday 14th of November 2013 11:30:27 AM
Old 11-14-2013
Using Diff to compare 2 arrays
I have two arrays and they look like this:

Code:
 array=(`cat /local/mnt/*sys/*includes|grep -v NEW`)

Code:
array2=(`cat /tmp/*sys.z |grep -v NEW`)

I am trying to compare them but I need to use the diff -u command. I am not sure how to do this. I cannot just do
Code:
 diff  -u ${array[@]} ${array2[@]}

I cannot do "for i in" as there are two arrays. I did not want to use the test format, but the diff -u command. Any suggestions?
 

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LEARN ABOUT LINUX

zegrep

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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