07-31-2009
I tried with
grep -vcf File2 File1.
I got some result which is reliable.
And the second one,
awk 'FNR==NR{_[$1$2]="T";next} FNR!=NR && _[$1$2]!="T"{count++} END {print count}' File2 File1 is also tried. But I am getting some other result which I doubt.
A simple modification in the problem is, instead of all the labels, I select some and check the corresponding strings from file 1, whether it is in file 2.
Thanks for the codes.
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DIFF3(1) User Commands DIFF3(1)
NAME
diff3 - compare three files line by line
SYNOPSIS
diff3 [OPTION]... MYFILE OLDFILE YOURFILE
DESCRIPTION
Compare three files line by line.
-e --ed
Output unmerged changes from OLDFILE to YOURFILE into MYFILE.
-E --show-overlap
Output unmerged changes, bracketing conflicts.
-A --show-all
Output all changes, bracketing conflicts.
-x --overlap-only
Output overlapping changes.
-X Output overlapping changes, bracketing them.
-3 --easy-only
Output unmerged nonoverlapping changes.
-m --merge
Output merged file instead of ed script (default -A).
-L LABEL --label=LABEL
Use LABEL instead of file name.
-i Append `w' and `q' commands to ed scripts.
-a --text
Treat all files as text.
--strip-trailing-cr
Strip trailing carriage return on input.
-T --initial-tab
Make tabs line up by prepending a tab.
--diff-program=PROGRAM
Use PROGRAM to compare files.
-v --version
Output version info.
--help Output this help.
If a FILE is `-', read standard input. Exit status is 0 if successful, 1 if conflicts, 2 if trouble.
AUTHOR
Written by Randy Smith.
REPORTING BUGS
Report bugs to <bug-gnu-utils@gnu.org>.
COPYRIGHT
Copyright (C) 2007 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
The full documentation for diff3 is maintained as a Texinfo manual. If the info and diff3 programs are properly installed at your site,
the command
info diff
should give you access to the complete manual.
diffutils 2.8.7-cvs January 2008 DIFF3(1)