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Top Forums Shell Programming and Scripting how to pass variable to grep? Post 302147942 by xist on Thursday 29th of November 2007 04:56:25 AM
Old 11-29-2007
how to pass variable to grep?

Hi
I have a such conditional:

Code:
SPAMH="it is SPAM"
if grep -q $SPAMH $NMDIR/$mail; then
                SPAMHFLAG=1
        else
                SPAMHFLAG=0
fi

And grep doesn't catch this string, even it exists there. I think it's a problem with passing $SPAMH to grep. I tried "$SPAMH", '$SPAMH', `$SPAMH` etc, but it doesn't help.
Please advice me how to make it working..
Thanks
 

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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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