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Full Discussion: assign subst|grep|sed command result to a variable
Top Forums Shell Programming and Scripting assign subst|grep|sed command result to a variable Post 302145536 by snowbiker99 on Wednesday 14th of November 2007 02:30:43 PM
Old 11-14-2007
assign subst|grep|sed command result to a variable
Hi,
I'm quite new to scripting and I want to modify following line of an existing script:

MYVAR=`subst |grep 'L:\\\:' | sed -e 's/.*\\\//'`;

What I have to do is to use the content of a variable instead of the constant expression 'L:\\\:' as the grep string to be matched.
Assuming I already have a variable MYSTRING which replaces the constant expression, how do I fit it into the above line to assign the final result of the whole piped command to MYVAR ?

thanks

-snow
 

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LEARN ABOUT V7

zgrep

ZGREP(1)						      General Commands Manual							  ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep	options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

																	  ZGREP(1)
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