This is a rewrite of another common UNIX application which can be used to kill all process matching a certain name. However, the major change between that and this version is that it utilizes regular expressions and can be quite deadly. Definitely not recommended use in any sane situation.
Another commonly used UNIX utility that I decided to quickly re-write, for fun. Takes a files a strips all the \r characters out, returning a pure UNIX-endline based file. The resulting snippet can be found below:
print map{s/\r//g;$_}<>;
Tags: cli, snippet, perl, unix
This was a little challenge that I made for myself: Duplicate most of the features of the command-line 'bc' application in the fewest number of characters. The results:
eval('$o='.<>.';print\"$o\n\"')while(1);
Tags: cli, snippet, perl, unix
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