37 lines
553 B
Bash
37 lines
553 B
Bash
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#!/bin/bash
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echo "Using test -e:"
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test -e "$1"
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echo $?
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echo "Using [ -d ]:"
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[ -d "$1" ]
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echo $?
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echo "Using [ -x ]:"
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[ -x "$1" ]
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echo $?
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# 判断文件是否存在
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# test -e "$1" # 与下面等价
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# [ -e "$1" ] # 与上面等价
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# 更多判断
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# -d 是目录
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# -f 是文件
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# -e 是存在
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# -r 是可读
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# -w 是可写
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# -x 是可执行
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# -s 是非空
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# -h 是软链接
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# -L 是软链接
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# -p 是管道
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# -S 是socket
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# -b 是块设备
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# -c 是字符设备
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# -t 是终端
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# -g 是设置了组ID
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# -u 是设置了用户ID
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# -k 是设置了粘滞位
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