#!/bin/sh -xv

Execute ()
{
        echo -e "Executing $@ ...";
        $@;
}

Execute "./getopts.sh -P 'hello world'"
+ Execute ./getopts.sh -P 'hello world'
+ echo -e Executing ./getopts.sh -P 'hello world' ...
Executing ./getopts.sh -P 'hello world' ...
+ ./getopts.sh -P 'hello world'
#!/bin/sh  -xv

while getopts "P:" i
do
    case "$i" in
        P)
                VAR=$OPTARG;
                continue;;
        *)
                echo $usage;
                exit 1;;
    esac
done
+ getopts P: i
+ VAR='hello
+ continue
+ getopts P: i


echo $VAR
+ echo 'hello
'hello

#./getopts.sh -P 'hello world'