Korn shell (for loop)

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<Wikisource:Source code

Korn shell for loops consume lists. 

#! /usr/bin/ksh
# Author: Steve Callaway

   integer n=100
   integer i
   for ((i=0; i < n; i++))
   do
   echo $i
   done


Alternatively it is possible to run a reverse while loop as the following snippet demonstrates: 

#! /usr/bin/ksh
# Author: Steve Callaway

typeset -i n=100
typeset -i ctr=0

while (( n ))
do

  n=n-1
  ctr=ctr+1
  echo $ctr

done
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