#!/bin/bash
> # accept one or three args
function foo(){
if [ $# == 1 ];then
> start=0
> finish=16
> cmd=$1
> elif [ $# == 3 ];then
> start=$1
> finish=$2
> cmd=$3
> else
> echo "Error Usage - 1 or 3 arguments"
> exit 1
> fi
> echo "start: $start finish: $finish cmd: $cmd :"
> }
> foo 1 2 3
> #start: 1 finish: 2 cmd: 3 :
> foo 1 2 "foo bar baz"
> #start: 1 finish: 2 cmd: foo bar baz :
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