ShellScript条件分岐ーif文-20100921

ShellScript条件分岐ーif文 - Shammerismのアップデート版。文字列の比較を追加。

#!/bin/bash

echo "IF example!";

if [ $# -ne 1 ];then
    echo "Usage: $0 [123]";
    exit 1;
fi

if [ $1 -eq 1 ];then
    echo "You are number#1.";
elif [ $1 -eq 2 ];then
    echo "You are number#2.";
elif [ $1 -eq 3 ];then
    echo "You are number#3.";
else
    echo "Invalid argument.";
    echo "Usage: $0 [123]";
fi

if [ $1 = "XYZ" ]; then
    echo "You type XYZ.";
fi

if [ $1 != "ABC" ]; then
    echo "You don't type ABC.";
fi

exit 0;