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linux getoptsÃüÁ´¦Àíshell½Å±¾²ÎÊý

#!/bin/bash
while getopts "ab:cd:" Option
# b and d take arguments
#
do
case $Option in
a) echo -e "a = $OPTIND";;
b) echo -e "b = $OPTIND $OPTARG";;
c) echo -e "c = $OPTIND";;
d) echo -e "d = $OPTIND $OPTARG";;
esac
done
shift $(($OPTIND - 1))


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#!/bin/sh
a=`date "+%y_%m%d_%H%M"`
echo $a
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