On Wed, Oct 14, 2009 at 8:11 PM, igor denisov
<denisovigor1...@rambler.ru> wrote:
> Hi there
>
> my version of ksh:
>
> $what /bin/ksh
>
> /bin/ksh
> Copyright (c) 1989, 1993
> $OpenBSD: mknod.c,v 1.1 2005/10/06 06:39:36 otto Exp $
> PD KSH v5.2.14 99/07/13.2
>
> I cannot figure out what is wrong with the following code
>
> #! /bin/ksh
> for (( i=9; i>0; i-- ))
> do echo "$i"
> done
>
> output:
> syntax error: '((' unexpected.
> why?
try:
#!/bin/ksh
i=9
while [ $i -gt 0 ] ; do
echo $i
i=$((i-1))
done
