Bash Script Validation

Eg

#!/bin/bash

if [ $# -lt 3 ] ; then
echo “Usage: $0 username password true/false”
exit 1
fi

Validate and show if the param at least has 3 params

Waht about this ?

function printUsage {
echo "Usage: $0 "
exit 1
}

if [ $# -lt 4 ]; then
printUsage
fi

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