$ awk -f day01-01.awk < input1
$ awk -f day01-02.awk < input1
$ runhaskell day02-01.hs < input2
$ runhaskell day02-02.hs < input2
$ snobol4 day03-01.sno < input3
$ snobol4 day03-02.sno < input3
Load it up in Dyalog APL.
$ swipl -c day05.pl && ./a.out