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Top Forums Shell Programming and Scripting File comparision line by line Post 302824347 by franksunnn on Thursday 20th of June 2013 05:10:34 PM
Old 06-20-2013
Code:
diff -c file1 file2 | gawk '/^+/ {print $2}' >> file_diff

However, I feel it's wired. Maybe I have no idea about your real need.
 

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DWWW-REFRESH-CACHE(8)						      Debian						     DWWW-REFRESH-CACHE(8)

NAME
dwww-refresh-cache - rebuilds dwww cache directory SYNOPSIS
dwww-refresh-cache DESCRIPTION
dwww-refresh-cache is a simple shell script, which deletes outdated cache files and rebuilds contents of the dwww cache directory /var/cache/dwww. In default installation, the script is called from /etc/cron.daily/dwww, so the cache is refreshed every day. CONFIGURATION VARIABLES
DWWW_KEEPDAYS Specifies, how many days documents that have not been accessed should be kept in the cache. Default is 10 days. DWWW_QUICKFIND_DB Location of the installed packages and programs cache file, generated with help of dwww-quickfind(8). Default is /var/cache/dwww/quickfind.dat. DWWW_DOCBASE2PKG_DB Location of the cache file, which maps installed doc-base files to packages names, used by the dwww-build-menu(8). Default is /var/cache/dwww/docbase2pkg.dat. FILES
/etc/dwww/dwww.conf Configuration file for dwww(7). /var/cache/dwww dwww cache directory. /etc/cron.daily/dwww. dwww daily cron job SEE ALSO
dwww(7), dwww-build-menu(8), dwww-cache(8), dwww-find(8). AUTHOR
Robert Luberda. See dwww(7), for copyrights and stuff. dwww 1.11.1 February 15th, 2009 DWWW-REFRESH-CACHE(8)
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