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Full Discussion: Q: Howto compare 2 files
Top Forums UNIX for Dummies Questions & Answers Q: Howto compare 2 files Post 302696301 by Don Cragun on Tuesday 4th of September 2012 04:47:07 PM
Old 09-04-2012
Quote:
Originally Posted by methyl
I like the [awk approach, but bear in mind that it will need the files in the same sorted order too.

... ... ...
No. The awk script I posted doesn't care about the order of entries in File1 or File2. The only assumption the script makes is that no line in either file will be duplicated in either file.
 

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IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME
igawk - gawk with include files SYNOPSIS
igawk [ all gawk options ] -f program-file [ -- ] file ... igawk [ all gawk options ] [ -- ] program-text file ... DESCRIPTION
Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1). AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like @include getopt.awk in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path. OPTIONS
See gawk(1) for a full description of the AWK language and the options that gawk supports. EXAMPLES
cat << EOF > test.awk @include getopt.awk BEGIN { while (getopt(ARGC, ARGV, "am:q") != -1) ... } EOF igawk -f test.awk SEE ALSO
gawk(1) Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995. AUTHOR
Arnold Robbins (arnold@skeeve.com). Free Software Foundation Nov 3 1999 IGAWK(1)
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