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Top Forums Shell Programming and Scripting Writing a UNIX script from LOG to provide return code. Post 302512893 by KenJackson on Monday 11th of April 2011 08:48:42 PM
Old 04-11-2011
Is there only one execution completed per log file? Or are there multiple executions?
If there's only one, then it's pretty simple.

Also, I assume you mean to return a binary return code, not text to stdout.

Code:
#!/bin/sh
test -f "$1"  &&  grep -q 'execution completed successfully' "$1"

Put that in a file, maybe name it checklog, use chmod to make it executable and use it like this:

checklog logfile

If the argument file doesn't exist, test -f will return 1 without doing the grep.
If the file exists and the quoted text is not found, grep will quietly return 1.
If both tests succeed, 0 is returned.
 

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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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