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Full Discussion: parsing simple output help needed
Top Forums Shell Programming and Scripting parsing simple output help needed Post 302532357 by Corona688 on Monday 20th of June 2011 05:30:07 PM
Old 06-20-2011
Code:
egrep "^[a-z]|state" > /tmp/$$

exec 5</tmp/$$

while read HOST
do
        IFS="= " read G VAL
        echo "$HOST is $VAL"
done </tmp/$$

exec 5<&-
rm /tmp/$$

---------- Post updated at 03:30 PM ---------- Previous update was at 03:26 PM ----------

Actually, awk's a lot simpler. You can tell it the record separator is "", meaning, blank lines separate records. But whitespace still separates fields. So you should get:

Code:
$ pbsnodes | awk -v RS="" '{ print $1, $4 }'
mars free
phobos free
deimos free
$

 

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LEARN ABOUT SUSE

lzfgrep

XZGREP(1)							     XZ Utils								 XZGREP(1)

NAME

       xzgrep - search compressed files for a regular expression

SYNOPSIS

       xzgrep [grep_options] [-e] pattern file...
       xzegrep ...
       xzfgrep ...
       lzgrep ...
       lzegrep ...
       lzfgrep ...

DESCRIPTION

       xzgrep  invokes	grep(1)  on  files  which may be either uncompressed or compressed with xz(1), lzma(1), gzip(1), or bzip2(1).  All options
       specified are passed directly to grep(1).

       If no file is specified, then the standard input is decompressed if necessary and fed  to  grep(1).   When  reading  from  standard  input,
       gzip(1) and bzip2(1) compressed files are not supported.

       If  xzgrep  is  invoked as xzegrep or xzfgrep then egrep(1) or fgrep(1) is used instead of grep(1).  The same applies to names lzgrep, lze-
       grep, and lzfgrep, which are provided for backward compatibility with LZMA Utils.

ENVIRONMENT

       GREP   If the GREP environment variable is set, xzgrep uses it instead of grep(1), egrep(1), or fgrep(1).

SEE ALSO

       grep(1), xz(1), gzip(1), bzip2(1), zgrep(1)

Tukaani 							    2009-07-05								 XZGREP(1)
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