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Top Forums Shell Programming and Scripting Add Variable in .bash_profile Post 302524573 by dbashyam on Tuesday 24th of May 2011 12:22:11 AM
Old 05-24-2011
Add Variable in .bash_profile

Hi,

I wanted to do the following, but the command does not seem to work. Any ideas or suggestions please help.

Code:
#1. If the particular ENV variable IMPACT_HOME is not there in a file
grep -q IMPACT_HOME infile || sed -i 'i IMPACT_HOME=/my/new/path' infile
#2. If the ENV variable IMPACT_HOME is already there then
grep -q IMPACT_HOME infile && sed -i 's!IMPACT_HOME.*!IMPACT_HOME=/my/new/path!g' infile

Regards,
Dinesh
 

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SHCOMP(1)						       Korn shell utilities							 SHCOMP(1)

NAME
shcomp - compile a shell script SYNOPSIS
shcomp [ options ] [infile [outfile]] DESCRIPTION
Unless -D is specified, shcomp takes a shell script, infile, and creates a binary format file, outfile, that ksh can read and execute with the same effect as the original script. Since aliases are processed as the script is read, alias definitions whose value requires variable expansion will not work correctly. If -D is specified, all double quoted strings that are preceded by $ are output. These are the messages that need to be translated to locale specific versions for internationalization. If outfile is omitted, then the results will be written to standard output. If infile is also omitted, the shell script will be read from standard input. OPTIONS
[D dictionary] Generate a list of strings that need to be placed in a message catalog for internationalization. [n noexec] Displays warn- ing messages for obsolete or non-conforming constructs. [v verbose] Displays input from infile onto standard error as it reads it. EXIT STATUS
0 Successful completion. >0 An error occurred. SEE ALSO
ksh(1) IMPLEMENTATION
version shcomp (AT&T Research) 2003-03-02 author David Korn <dgk@research.att.com> copyright Copyright (c) 1982-2010 AT&T Intellectual Property license http://www.opensource.org/licenses/cpl1.0.txt 2003-03-02 SHCOMP(1)
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