02-21-2008
Try this :
############ Search.run ##############
FILE1=file1 ( Your lookup file )
FILE2=file2 ( Your data file with more than .1 MM recs )
awk ' NR==FNR { A[$0]=1; next; }
{ if (substr($0,1,8) in A) { A[$0]=0; } }
END { for (k in A) { if (A[k]!=1) { print k; } } } ' $FILE1 $FILE2
############ Search.run ##############
Courtesy : one post from this forum.
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Hi,
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sxsaaas (3 Replies)
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PDIFF(1) FSF PDIFF(1)
NAME
pdiff - produce a pretty comparison between files
SYNOPSIS
pdiff FILE1 FILE2 [-- A2PS-OPTIONS...]
DESCRIPTION
Pretty print the differences between FILE1 and FILE2.
OPTIONS
-h, --help
display this help and exit
-v, --version
display version information and exit
-q, --quiet
don't print informational messages
-o, --output=FILE
save the output in FILE
Options for a2ps are given after `--', for instance
$ pdiff COPYING COPYING.LIB -- -Pdisplay
News, updates and documentation: http://www.inf.enst.fr/~demaille/a2ps/.
AUTHOR
Written by Akim Demaille.
REPORTING BUGS
Report bugs to <bug-a2ps@gnu.org>.
COPYRIGHT
Copyright (C) 1997-1999 Akim Demaille, Miguel Santana
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
SEE ALSO
a2ps(1), card(1), fixps(1), pdiff(1), psset(1), texi2dvi4a2ps(1).
The full documentation for pdiff is maintained as a Texinfo manual. If the info and pdiff programs are properly installed at your site,
the command
info pdiff
should give you access to the complete manual.
pdiff 0.4 (GNU a2ps 4.14) June 2014 PDIFF(1)