Subjectively

Here’s a little snippet to show how to use logger (included with OS/X, don’t know on other platforms) to syslog errors from a bash script. This is probably most useful for a daemonized process, but would work in any script.

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#!/bin/bash
function debug_log () {
logger -t $0 -i -s -- $USER : $BASH_COMMAND
}
 
trap debug_log DEBUG
 
echo "This is a trap"
echo "This is another trap"
exit