RosettaCodeData/Task/Letter-frequency/Raven/letter-frequency.raven
Ingy döt Net 6f050a029e update
2013-06-05 21:47:54 +00:00

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394 B
Text

define count_letters use $words
{ } as $wordHash [ ] as $keys [ ] as $vals
$words each chr
dup $wordHash swap get 0 prefer 1 + # stack: chr cnt
swap $wordHash swap set
$wordHash keys copy sort each
dup $keys push
$wordHash swap get $vals push
$keys $vals combine print "\n" print
"test.dat" as $file
$file read as $all_data
$all_data count_letters