檢查某個資料檔案是否存在
#!/bin/bash
if [ -e /tmp/abc ] ; then
echo "Y..."
else
echo "N..."
fi
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Shell - Detect a file is exist or not...
非常常用的一個小範例：
#!/bin/bash
if [ -e /tmp/abc ] ; then
echo "Y..."
else
echo "N..."
fi
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