Hello,
I am going to start playing around with perl regular expressions but first have some questions I am hoping someone on the list can answer ?
1. Can I test them from the command line ?
echo "some string of text" | perl place_regular_expression_here
2. How would I go about producing arguments are out put, for example:
echo "Memory Usage: 25% used warning 75%" | perl 'Memory.Usage:.\d+'
The about would produce "Memory Usage: 25" but I only want to output the 25 but I also need to make sure that the first part contains "Memory Usage:" ?
Thanks.
Michael.
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