set -x within script and capture as a file Post: 302548681

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Top Forums Shell Programming and Scripting set -x within script and capture as a file Post 302548681 by reid on Friday 19th of August 2011 03:26:20 AM

08-19-2011

Registered User

set -x within script and capture as a file

Okay, I've been working on a script for providing information on the progress of a backgrounded ditto command. Thanks to google and a lot of searching I've resolved all but one very odd error. At this point, I want to use xtrace (set -x) to try to uncover the issue. I have found several examples but none have quite helped me to acheive what I'm trying to do.

The idea is to be able to enable or disable xtrace via a script option (getopts), and capture the results in a file. What I've run into is that while I can create the file with no problem, all the debug info is displayed in the shell and not sent to the intended file. Is it possible to do this in this manner, or will I need to pass it from the command line?

Just in case it makes a difference, I am running OS X (10.5-10.7).

Thanks.

Code:

#!/bin/bash
while getopts "x" opt; do

	case $opt in
                x)     debugON=1;;
		\?) echo "Invalid option: -$OPTARG" >&2;;
	esac
done

if [ $debugON = 1 ]; then
     today=`date "+%m%d%Y"`
     set -x 2> ~/Desktop/xtrace$today
else
     set +x
fi

reid

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LEARN ABOUT SUSE

sieveshell

SIEVESHELL(1)						User Contributed Perl Documentation					     SIEVESHELL(1)

NAME

       sieveshell - remotely manipulate sieve scripts

SYNOPSIS

       sieveshell [--user=user] [--authname=authname] [--realm=realm] [--exec=script] server[:port]

       sieveshell --help

DESCRIPTION

       sieveshell allows users to manipulate their scripts on a remote server.	It works via MANAGESIEVE, a work in progress.

       The following commands are recognized:

	   list list scripts on server.

	   put <filename> upload script to server.

	   get <name> [<filename>] get script. if no filename display to stdout

	   delete <name> delete script.

	   activate <name> activate script.

	   deactivate deactivate all scripts.

OPTIONS

       -u user, --user=user
	   The authorization name to request; by default, derived from the authentication credentials.

       -a authname, --authname=authname
	   The user to use for authentication (defaults to current user).

       -r realm, --realm=realm
	   The realm to attempt authentication in.

       -e script, --exec=script
	   Instead of working interactively, run commands from script, and exit when done.

REFERENCES

       [MANAGESIEVE] Martin, T.; "A Protocol for Remotely Managing Sieve Scripts", draft-ietf-managesieve-03.txt, Mirapoint, Inc.; May 2001, work
       in progress.

AUTHOR

       Tim Martin <tmartin@mirapoint.com>, and the rest of the Cyrus team <cyrus-bugs@andrew.cmu.edu>.

perl v5.10.0							    2008-04-04							     SIEVESHELL(1)