返回值整形
#!/bin/shdef_one_install(){if [ -d "/opt/aaa" ];thenreturn 1elsereturn 0fi}main(){def_one_installres=$?echo $resif [[ $res==1 ]]; thenecho 1elseecho 0fi}main
返回值字符串
#!/bin/shfunction get_abc(){echo `curl http://127.0.0.1:999/abc`}function main(){RES=$(get_abc)echo $RES}main