Marek wrote:
> When I put commands below in command line:
> i=1
> echo $i
> i=$(($i+1))
> echo $i
>
> everything works well (i is incremented from 1 to 2), but when I run this as
> a shell script the result is:
> 1+1 instead of 2
>
> How should I do incrementation in shell script?
It depends on what shell and version you are using.
In bash (version > 2.05) I use:
let i=i+1
And you can also do it inside a loop, like:
for (( i= 1; i <= $3; i++ )); do
...
those double parenthesis are not available in old bash versions.
HTH
--
René Berber
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