1.getopts的经典例子
isRollback=0 rollbackVer="" targetGroup="" actionType="" isSwitchLoad="1" while getopts ":r:t:a:s:" opt do case $opt in r ) isRollback=1 rollbackVer=$OPTARG;; t ) targetGroup=$OPTARG;; a ) actionType=$OPTARG;; s ) isSwitchLoad="0";; ? ) echo "Usages: sh deploy_ctl.sh [-t(a1 | a2 | a3 | a4 | c1 | c2 | f1 | f2 | h1 | h2 | m1 | m2)] [-r(versionNum)] [ -a(tomcat | apache | all) ][ -s ]" exit 1;; esac done if [[ "a1" != "$targetGroup" && "a2" != "$targetGroup" && "a3" != "$targetGroup" && "a4" != "$targetGroup" && "c1" != "$targetGroup" && "c2" != "$targetGroup" && "f1" != "$targetGroup" && "f2" != "$targetGroup" && "h1" != "$targetGroup" && "h2" != "$targetGroup" && "m1" != "$targetGroup" && "m2" != "$targetGroup" && "other1" != "$targetGroup" && "other2" != "$targetGroup" ]] then echo -e "