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Archive of posts filed under the tips category.

Detecting empty files in awk

It's not straightforward, but it can be done.

(Semi-)Automated ~/.ssh/config management

Shorten your ssh commands, but in a kludgy way.

Remote-to-remote data copy

Ever wanted to do this?

The mythical “idempotent” file editing

Stop asking for that.

Some common networking operations in Perl

A collection of various network- and socket API-related functions with code snippets.