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UNIX for Dummies Questions & Answers
Comparing two files and noting matches
Post 10710 by augustinep on Monday 19th of November 2001 07:53:15 PM
11-19-2001
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Hi friends,
i want to compare first columns from two different files ,if equal print the file2's second column else print the zero.Please help me...
file1:
a
b
c
d
efile2:
a 1
c 20
e 30
desired output:
1
0
20
0
30
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LEARN ABOUT DEBIAN
hlins
HLINS(1) General Commands Manual HLINS(1) NAME
hlins - insert url's into html documents SYNOPSIS
hlins [options] [infile] DESCRIPTION
hlins is a program that inserts hypertext links into html documents, according to one or several data bases associating addresses (url's) to names. hlins is designed for inserting links for persons: It knows about abbreviations of first and middle names and tolerated dropping of the last part of a composite last name. If no file argument is given then input is taken from stdin; when no output option (see below) is given then output goes to stdout. For a complete description, see the documention in html format. OPTIONS
hlins follows the usual GNU command line syntax, with long options starting with two dashes (`--'). -o, --output-file file Write to file instead of standard output -h, --help Show a summary of options. -v, --version Show the version of the program. -q, --quiet Surpress diagnostic output. -db, --data-bases files ... Use files ... as data bases -m, --modify files ... Dont't act as filter but perform in-pace modifications of files. -R, --recursive Recursively descend into directories and act on all files with names ending on .html. -td, --tmp-dir dir Use directory dir to create temporary files. --db-to-html List the address data bases in HTML format to stdout. ENVIRONMENT
TMPDIR default directory for creating temporay files. VERSION
This manual pages describes version 0.39. SEE ALSO
The full documentation with examples should be available in /usr/share/doc/hlins/. See also the hlins home page http://www.lsv.ens-cachan.fr/~treinen/hlins/. AUTHOR
Ralf Treinen <treinen@debian.org>. July 25, 2000 HLINS(1)