Top Forums Shell Programming and Scripting remove trailing and leading spaces using tr command Post 302293485 by Franklin52 on Tuesday 3rd of March 2009 07:07:10 AM
Quote:
Originally Posted by sureshg_sampat
Dear All,

can you please advice how do i remove trailing and leading spaces from a pipe-delimited file using "tr" command

the below cmd, i tried removed all spaces
tr -d ' '<s1.txt>s2.txt1

Many thx
Suresh
Something like this?

Code:
 sed 's/ | /|/g' s1.txt > s2.txt1

Regards
 
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LESSECHO(1)						      General Commands Manual						       LESSECHO(1)

NAME
lessecho - expand metacharacters SYNOPSIS
lessecho [-ox] [-cx] [-pn] [-dn] [-mx] [-nn] [-ex] [-a] file ... DESCRIPTION
lessecho is a program that simply echos its arguments on standard output. But any argument containing spaces is enclosed in quotes. OPTIONS
A summary of options is included below. -ox Specifies "x" to be the open quote character. -cx Specifies "x" to be the close quote character. -pn Specifies "n" to be the open quote character, as an integer. -dn Specifies "n" to be the close quote character, as an integer. -mx Specifies "x" to be a metachar. -nn Specifies "n" to be a metachar, as an integer. -ex Specifies "x" to be the escape char for metachars. -fn Specifies "n" to be the escape char for metachars, as an integer. -a Specifies that all arguments are to be quoted. The default is that only arguments containing spaces are quoted. SEE ALSO
less(1) AUTHOR
This manual page was written by Thomas Schoepf <schoepf@debian.org>, for the Debian GNU/Linux system (but may be used by others). Send bug reports or comments to bug-less@gnu.org. Version 444: 09 Jun 2011 LESSECHO(1)

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