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<oerjan> learn Postorder is the same as Polish notation, since Post was Polish. Not to be confused with reverse Polish notation, which puts operations last.
author HackBot
date Wed, 24 Feb 2016 05:00:46 +0000
parents 4685c5cd6ab6
children
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b=bottle a=({no+more+$b\s,1+$b,{2..99}+$b\s}+of+beer) w=on+the+wall
x=(Take+one+down,+pass+it+around Go+to+the+store+and+buy+some+more)
for i in {99..0};{
echo "${a[i]^} $w, ${a[i]}.
${x[!i]}, ${a[i-1]} $w."
}|tr + \