04-19-2011
search text in file if this it contains necessary text (awk,grep)
Hello friends!
Help me pls to write correct awk and grep statements for my task:
I have got files with name
filename.txt
It has such structure:
Start of file
FROM: address@domen.com (12...890) abc
DATE: 11/23/2009 on Std
SUBJECT: any subject
End of file
So, I must check,
if this file DOESN'T CONTAIN mail address =
mike@domen.com,
I must save text
address@domen.com(after "FROM: " and before first white-space after mail-address) to variable $Address and 11/23/2009 (after "DATE: "and before first white-space after date) to variable $Date.
So, I need to write bash script like this:
PHP Code:
if [ ! grep('mike@domen.com',textfile.txt) ] then
Address=awk '/^FROM: /,/^ /' textfile.txt
Date=awk '/^DATE: /,/^ /' textfile.txt
echo $Address $Date
else
echo "sorry, but this file contains mike@domen.com text :("
fi
P.S. This code, of course, doesn't work. Pls help me to fix it.
Last edited by candyme; 04-19-2011 at 04:20 PM..
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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)