07-31-2008
Thanks Jean
The code is running perfect. Thanks a lot.
smriti
![Smilie Smilie](https://www.unix.com/images/smilies/smile.gif)
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I've been searching around here and other places, but can't put this together...
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File1 row is same as column 2 in file 2.
Also file 2 will either start with A, B or C.
And 3rd column in file 2 is always F2.
When column 2 of file 2 matches file1 column, print all those rows into a separate file.
Here is an example.
file 1:
100
103
104
108
file 2:
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Hi,
I have 2 files
File 1:
1 2 3 4 5 6 .......etc until column 300K
1 23 21 24 12 22
1 23 21 24 12 22
1 23 21 24 12 22
1 23 21 24 12 22
1 23 21 24 12 22
1 23 21 24 12 22
1 23 21 24 12 22
.
.
etc until row 1411
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Hi there,
I know the command diff but what I want is slightly different.
I have two files containing lines that look like md5sums.
file1
5a1e8cee2eb2157c86e7266ee38e47c3 /tmp/file1
a254c48bdd064a40b82477b9fa5be05d /tmp/file2
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Hello,
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file1
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98765 qq www uuuu
76543 pp rrr bbbbb
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87654 qq ppp rrrrr
file2
98765
34567
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output
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I have file 1 & file 2 with content mentioned below. I want to get the output as shown in file3.
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I want to print only the lines in file2 that match file1, in the same order as they appear in file 1
file1
file2
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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.
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report comm translation bugs to <http://translationproject.org/team/>
AUTHOR
Written by Richard M. Stallman and David MacKenzie.
COPYRIGHT
Copyright (C) 2013 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 8.22 June 2014 COMM(1)