I wanted to create a script what would take two numbers out of two files and add them together, but I got stuck with greping numbers what have a dot in it.
So far I have grepped the two lines what include the numbers I need (from both files) to a third file and from that file I try to grep only the numbers.
The third file looks like this:
Code:
aoforce.out: * zero point VIBRATIONAL energy : 0.6725445 Hartree *
job.last: | total energy = -3842.57456191055 |
The script I have at the moment (thanks to your forums ) is like this:
Code:
grep -ho '[-0-9]\{1,20}'
and with that script I get an output like this:
Code:
0
6725445
-3842
57456191055
But I would like an output like this:
Code:
0.6725445
-3842.57456191055
Thank you in advance,
Mario
Last edited by zaxxon; 08-12-2009 at 09:21 AM..
Reason: CODE tags
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Discussion started by: invinzin21
8 Replies
LEARN ABOUT POSIX
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)
08-12-2009
) is like this: