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Full Discussion: Script for Diff b/w 2 CSV files
Top Forums Shell Programming and Scripting Script for Diff b/w 2 CSV files Post 302687003 by migurus on Wednesday 15th of August 2012 09:15:04 PM
Old 08-15-2012
If your system has cron facility add a line to your crontab:

Code:
30 5 1 * * diff file1 file2 > results

This means run diff on given fies at 5:30 AM on 1st of each month and place output into file results

make sure file1, file2, and results include full path/file names, as a process executed by a cron will have crontab user's home directory as current directory.
This User Gave Thanks to migurus For This Post:
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LEARN ABOUT LINUX

xzdiff

XZDIFF(1)							     XZ Utils								 XZDIFF(1)

NAME

       xzcmp, xzdiff, lzcmp, lzdiff - compare compressed files

SYNOPSIS

       xzcmp [cmp_options] file1 [file2]
       xzdiff [diff_options] file1 [file2]
       lzcmp [cmp_options] file1 [file2]
       lzdiff [diff_options] file1 [file2]

DESCRIPTION

       xzcmp  and xzdiff invoke cmp(1) or diff(1) on files compressed with xz(1), lzma(1), gzip(1), or bzip2(1).  All options specified are passed
       directly to cmp(1) or diff(1).  If only one file is specified, then the files compared are file1 (which must have a suffix of  a  supported
       compression format) and file1 from which the compression format suffix has been stripped.  If two files are specified, then they are uncom-
       pressed if necessary and fed to cmp(1) or diff(1).  The exit status from cmp(1) or diff(1) is preserved.

       The names lzcmp and lzdiff are provided for backward compatibility with LZMA Utils.

SEE ALSO

       cmp(1), diff(1), xz(1), gzip(1), bzip2(1), zdiff(1)

BUGS

       Messages from the cmp(1) or diff(1) programs refer to temporary filenames instead of those specified.

Tukaani 							    2010-09-27								 XZDIFF(1)
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