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 XFREE86
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.
When FILE1 or FILE2 (not both) is -, read standard input.
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
--total
output a summary
-z, --zero-terminated
line delimiter is NUL, not newline
--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
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Report comm translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright (C) 2017 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)
Full documentation at: <http://www.gnu.org/software/coreutils/comm>
or available locally via: info '(coreutils) comm invocation'
GNU coreutils 8.28 January 2018 COMM(1)