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This is a tutorial on how to use Perl and Tcl/Tk (not to be confused with Perl/Tk) and create UI-based Perl+Tcl/Tk applications deploying them on Windows and macOS as stand-alone .exe or .app. Binding ...

There are numerous ways to redirect standard error in a Perl script. You can redirect the output from one particular command, you can combine standard error with ...

Being a hired-gun developer, I inherit all kinds of client problems. Recently, I was tasked with exporting a delimited flat file from one application and formatting it so it could be imported into ...

Ordinary list arrays allow us to access their element by number. The first element of array @food is $food[0]. The second element is $food[1], and so on. But Perl ...

There are a lot of really nice scripting languages available to Unix admins, but Perl is still one of my favorites for doing any work that involves regular expressions — any text that you can describe ...

I have a text file that I need to parse in various ways. I have everything working to my standards using a Perl script, except for the removal of blank lines.<BR><BR>Do you know a regex that will work ...