On Thu, 19 Aug 2004 15:36:38 -0400, Levi Bard <levi@bard.sytes.net> wrote:
> ---------
> #!/bin/sh
> # Prints out a string showing what commands would be run if a command
> # (given as command line argument) were to be run on every machine in a
> given range via ssh
>
> i=0
> max=123
>
> while test "$i" -lt "${max}"
> do
> echo "exec ssh user@192.168.3.$i \"$@\""
> i=`expr "$i" + 1`
> done
> ---------
>
If you are using bash, you can also use:
i=$((i+1))
or
let i=i+1
These expressions are internal to the shell, so you are not exec'ing
the external program "expr". This is faster, but you might not notice
it in a script like this.
-Daniel
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