Again on IRC, somebody asked how to remove duplicates from a file, but keeping only the last occurrence of each item. The classic awk idiom awk '!a[$0]++' prints only the first instance of every line. So if the input is, for example foo bar baz foo xxx yyy bar the "normal" output (ie using the [...]
Archive of posts filed under the tips category.
Some tips on RPM conditional macros
You may have been bitten by this.
Running local script remotely (with arguments)
Some ways to remotely run a local script.
Poor man’s HTTP VPN
Send IP traffic over HTTP.
“In-place” editing of files
Temporary files don't bite, so just use them.