09-15-2011
Shell script using sed or awk
Hi, I want to read a file from the command line and remove all the spaces, tabs in it, replacing it with comma(,), and write it to a new file. can you help me out with this scenario.
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LEARN ABOUT REDHAT
expand
EXPAND(1) FSF EXPAND(1)
NAME
expand - convert tabs to spaces
SYNOPSIS
expand [OPTION]... [FILE]...
DESCRIPTION
Convert tabs in each FILE to spaces, writing to standard output. With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-i, --initial
do not convert TABs after non whitespace
-t, --tabs=NUMBER
have tabs NUMBER characters apart, not 8
-t, --tabs=LIST
use comma separated list of explicit tab positions
--help display this help and exit
--version
output version information and exit
AUTHOR
Written by David MacKenzie.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
SEE ALSO
The full documentation for expand is maintained as a Texinfo manual. If the info and expand programs are properly installed at your site,
the command
info expand
should give you access to the complete manual.
expand (coreutils) 4.5.3 February 2003 EXPAND(1)