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Re: Five Ways to Reverse a String of Words (C#, Perl 5, Perl 6, Ruby, Haskell)

by Hue-Bond (Priest)
on Sep 09, 2008 at 21:55 UTC ( #710203=note: print w/replies, xml ) Need Help??


in reply to Five Ways to Reverse a String of Words (C#, Perl 5, Perl 6, Ruby, Haskell)

No bash solution yet, so here it goes (pure bash, no external binaries):

STR=" one two three four " ARR=($STR) LEN=${#ARR[*]} LAST=$(($LEN-1)) ARR2=() I=$LAST while [[ $I -ge 0 ]]; do ARR2[ ${#ARR2[*]} ]=${ARR[$I]} ## push I=$(($I-1)) done echo ${ARR2[*]}

--
David Serrano

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