Hope someone can shed some light on this...
I have two lists of numbers I am comparing using COMM. If the first list is empty, and I sort both lists like so:
I get the error: comm: file 2 is not in sorted order
But if I drop the numerical sorting from sort:
It works OK. Is there a bug or am I doing something wrong? I have dropped '-n', but I was just wondering if there is a good explanation for this.
Hi,
I have two large files with uid's:
- 581004 File1.txt
- 292675 File2.txt
I want to know which uid's are in File1.txt and not in File2.txt.
I have used comm -23 File1.txt File2.txt. This should do the trick i thought. But in the output i keep having uid's in File1.txt that are also in... (8 Replies)
Hello all, I have two flat files that are colon delineated and I am trying to run a compare (Solaris v8 ksh) of $1 within a script to access a mysql database based on the results. Unix is telling me that it has to have physical file names. Is there a way to run a compare using variables? This is... (3 Replies)
See my other post on sdiff ....
I don't think sdiff is able to do what I want.
The 'comm' command does what I need and works fine as
far as the logic and results.
The problem I'm having is with the output format, it outputs 3 columns of data,
but because of the way it starts each line... (2 Replies)
i have 2 files that contains a sorted list of IP addresses.
file_A contains a list of all IPs
file_B contains only around 50% of what is in file_A.
I tried to execute
comm -23 file_A file_B > file_C
to get the difference. My objective is to put all the IPs that are in file_A but not... (1 Reply)
Hi
Sorry if this a repeat question,
I have the following two files. Both are sorted.
file1
----
CSCeb69473
CSCsg70355
CSCsj78917
CSCsj85065
CSCsl48743
CSCsl72823
CSCsl77748
file2
----
CSCsg39295 (7 Replies)
hi,
I have two unsorted files and want to delete the lines which are common to both.
file 1:
S1069656304010437
S1069656304010449
S1470204501005393
S1069656304010474
S0001209208001294
S0000000012345678
S0001457507000590
S0002641707000784
S1470204501005381
S0001457507000280... (4 Replies)
I have a vector of strings that contain a list of channels like this:
101,99,22HD,432,300HD
I have tried using the sort routine like this:
sort(mychans.begin(),mychans.end());
For some reason my channels are not being sorted at all. I was hoping someone might have some input that might... (2 Replies)
Hello , I am trying to get contents which are only present in a.csv ,so using comm -23
cat a.csv | sort > a.csv
cat b.csv | sort > b.csv
comm -23 a.csv b.csv > c.csv.
a.csv
SKU COUNTRY CURRENCY PRICE_LIST_TYPE LIST_PRICE_EFFECTIVE_DATE
TG430ZA ZA USD DF ... (4 Replies)
Discussion started by: RaviTej
4 Replies
LEARN ABOUT DEBIAN
comm
COMM(1) User Commands COMM(1)NAME
comm - compare two sorted files line by line
SYNOPSIS
comm [OPTION]... FILE1 FILE2
DESCRIPTION
Compare sorted files FILE1 and FILE2 line by line.
With no options, produce three-column output. Column one contains lines unique to FILE1, column two contains lines unique to FILE2, and
column three contains lines common to both files.
-1 suppress column 1 (lines unique to FILE1)
-2 suppress column 2 (lines unique to FILE2)
-3 suppress column 3 (lines that appear in both files)
--check-order
check that the input is correctly sorted, even if all input lines are pairable
--nocheck-order
do not check that the input is correctly sorted
--output-delimiter=STR
separate columns with STR
--help display this help and exit
--version
output version information and exit
Note, comparisons honor the rules specified by `LC_COLLATE'.
EXAMPLES
comm -12 file1 file2
Print only lines present in both file1 and file2.
comm -3 file1 file2
Print lines in file1 not in file2, and vice versa.
AUTHOR
Written by Richard M. Stallman and David MacKenzie.
REPORTING BUGS
Report comm bugs to bug-coreutils@gnu.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Report comm translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright (C) 2011 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 join(1), uniq(1)
The full documentation for comm is maintained as a Texinfo manual. If the info and comm programs are properly installed at your site, the
command
info coreutils 'comm invocation'
should give you access to the complete manual.
GNU coreutils 8.12.197-032bb September 2011 COMM(1)