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Shell Programming and Scripting
Adding new lines to a file + adding suffix to a pattern
Post 302428854 by zaxxon on Friday 11th of June 2010 05:09:53 AM
06-11-2010
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Hi all,
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...............
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Dear all,
I have a file with two columns - the first column is increasing every 50, the second column is just count (e.g. 5). However, when count is zero, no line is present.
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LEARN ABOUT CENTOS
chfn
CHFN(1) User Commands CHFN(1) NAME
chfn - change your finger information SYNOPSIS
chfn [-f full-name] [-o office] ,RB [ -p office-phone] [-h home-phone] -u] [-v] [username] DESCRIPTION
chfn is used to change your finger information. This information is stored in the /etc/passwd file, and is displayed by the finger pro- gram. The Linux finger command will display four pieces of information that can be changed by chfn: your real name, your work room and phone, and your home phone. chfn is used to change local entries only. Use ypchfn, lchfn or any other implementation for non-local entries. COMMAND LINE Any of the four pieces of information can be specified on the command line. If no information is given on the command line, chfn enters interactive mode. INTERACTIVE MODE In interactive mode, chfn will prompt for each field. At a prompt, you can enter the new information, or just press return to leave the field unchanged. Enter the keyword "none" to make the field blank. OPTIONS
-f, --full-name full-name Specify your real name. -o, --office office Specify your office room number. -p, --office-phone office-phone Specify your office phone number. -h, --home-phone home-phone Specify your home phone number. -u, --help Print a usage message and exit. -v, --version Print version information and exit. EXIT STATUS
Returns 0 if operation was successful, 1 if operation failed or command syntax was not valid. SEE ALSO
finger(1), passwd(5) AUTHOR
Salvatore Valente <svalente@mit.edu> AVAILABILITY
The chfn command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/. util-linux July 2009 CHFN(1)