08-15-2010
I failed to mention that I was running the sed as a part of a script and redirecting the file to be searched to the script. Hence, no filename was given on the command. I hope that didn't trip you up. Add the input filename between the closing single quote and the pipe to sort if you haven't.
If you've done that, and you are still having issues, then can you post the sed command you used (to check for typos etc), the first few lines of the input file, and the first few lines of output, someone might be able to help. Really cannot offer anything more without a bit more detail about what is happening.
Last edited by agama; 08-15-2010 at 04:33 PM..
Reason: fix typo
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comm(1) General Commands Manual comm(1)
NAME
comm - select or reject lines common to two sorted files
SYNOPSIS
file1 file2
DESCRIPTION
comm reads file1 and file2, which should be ordered in increasing collating sequence (see sort(1) and Environment Variables below), and
produces a three-column output:
Column 1: Lines that appear only in file1,
Column 2: Lines that appear only in file2,
Column 3: Lines that appear in both files.
If is used for file1 or file2, the standard input is used.
Options 1, 2, or 3 suppress printing of the corresponding column. Thus prints only the lines common to the two files; prints only lines in
the first file but not in the second; does nothing useful.
EXTERNAL INFLUENCES
Environment Variables
determines the collating sequence expects from the input files.
determines the language in which messages are displayed.
If is not specified in the environment or is set to the empty string, the value of determines the language in which messages are displayed.
If is not specified in the environment or is set to the empty string, the value of is used as a default. If is not specified or is set to
the empty string, a default of ``C'' (see lang(5)) is used instead of If any internationalization variable contains an invalid setting,
behaves as if all internationalization variables are set to ``C''. See environ(5).
International Code Set Support
Single- and multi-byte character code sets are supported.
EXAMPLES
The following examples assume that and have been ordered in the collating sequence defined by the or environment variable.
Print all lines common to and (in other words, print column 3):
Print all lines that appear in but not in (in other words, print column 1):
Print all lines that appear in but not in (in other words, print column 2):
SEE ALSO
cmp(1), diff(1), sdiff(1), sort(1), uniq(1).
STANDARDS CONFORMANCE
comm(1)