[英]printing folder names in bash
This piece of bash code, shows no folder name while there exists many folders. 这段bash代码在存在许多文件夹的情况下不显示文件夹名称。
#!/bin/bash
for file in .; do
if [ -d $file ]; then
echo $file
fi
done
the output is only .
输出仅为.
Can you explain why? 你能解释为什么吗?
it reads .
它读.
as an array of size one and prints it for you. 作为大小为1的数组并为您打印。 use something like this instead: 使用类似这样的东西:
for file in `ls`; do
if [ -d $file ]; then
echo $file
fi
done
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