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<b_jonas> perl -e for $e ("i","u"){ $f="bin/date$e"; open my$i,"<",$f or die "error open $f r"; local$/; $s=<$i> or die; $s=~s/"\\+%Y/\\${1:+-d "\\$1"} $&/ or die; open $o,">",$f or die "error open $f w: $!"; print $o $s or die; close $o or die; print "OK $f\\n" }
author HackEso <hackeso@esolangs.org>
date Fri, 04 Jan 2019 21:30:13 +0000
parents 859f9b4339e6
children
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module Misc (
	stringToNodeTree,
	nodeTreeToString,
	numberToNodeTree,
	nodeTreeToNumber,
	apply
)
where

import Node


stringToNodeTree		:: String -> Node
stringToNodeTree ""		= Nil
stringToNodeTree (c:t)	= Cons (numberToNodeTree (fromEnum c)) (stringToNodeTree t)

nodeTreeToString			:: Node -> String
nodeTreeToString Nil		= ""
nodeTreeToString (Cons a b)	= (toEnum (nodeTreeToNumber a):nodeTreeToString b)

numberToNodeTree 		:: (Integral a) => a -> Node
numberToNodeTree 0		= Nil
numberToNodeTree (n+1) 	= Cons Nil (numberToNodeTree n)

nodeTreeToNumber				:: (Integral a) => Node -> a
nodeTreeToNumber Nil			= 0
nodeTreeToNumber (Cons Nil a)	= (nodeTreeToNumber a) + 1


apply		:: Node -> Node -> Node
apply a b	= (Application a b)