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#!/bin/bash
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# simple demonstration of the getopts command
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while getopts :ab:c opt
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do
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case "$opt" in
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a) echo "Found the -a option";;
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b) echo "Found the -b option, with value $OPTARG";;
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c) echo "Found the -c option";;
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*) echo "Unknown option:$opt";;
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esac
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done
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