Miranda: yours doesn't work - hangs forever because you don't auto-flush. (might be platform-dependent)

grep: Using your count, mine would be 64 actually.

In any case, yes what you're doing is majorly cheating. The script should work streaming, and you should use /TEST/ since the pattern is supposed to be replacable

Other than that however it is fairly nice.

The ark version certainly works, and beats my original by one char. Unfortunately for you, it inspired me to an even shorter one:

perl -pe's/(.* )(.*)/-$2?$$1=$&:$$1/e'
[download]

So, your turn again :-)