echoempth fi [macg@machome~]$ sh test.sh inputyour choice: 回車 empth 說明“回車”就是空串 [macg@machome~]$ sh test.sh inputyour choice: 34 noempty 整數(shù)條件表達(dá)式,大于,小于,shell里沒有>和<,會(huì)被當(dāng)作尖括號(hào),只有-ge,-gt,-le,lt [macg@machome~]$ vi test.sh echo"input a:" rea...
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