I need to do the following because I am using mod_perl and I do not want to write then read from a temp file:
1. My script pipes info to gnuplot beta 3.6.
2. Gnuplot reads config info from standard in, creates plot in GIF format and outputs it on standard out.
3. My script captures gnuplot output to a varaible.
4. My script outputs varaible to web page.
I tried IPC::Open2 but could not capture all the output.
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In the distant past (last year) I hacked together a little toy that would allow a couple of Manager types to query, preview, and extract data from a number of MongoDB instances, to their tool of choice: Excel (http://dilbert.com/strips/comic/2007-08…
Checking the Alert Log in AWS RDS Oracle can be a pain through their user interface. I made a script to download the Alert Log, look for errors, and email me the trace files. In this article I'll describe what I did and share my script.
Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions.
Consider email address RFCs:
Look at HTML5 form input element (with type=email) regex pattern: