Bagaimana saya dapat mempersingkat skrip shell ini? CODE="A" if test "$CODE" = "A" then PN="com.tencent.ig" elif test "$CODE" = "a" then PN="com.tencent.ig" elif test "$CODE" = "B" then PN="com.vng.pubgmobile" elif test "$CODE" = "b" then PN="com.vng.pubgmobile" elif test "$CODE" = "C"...