找不到意外的运算符（Bash 错误）
我创建了一个简单的 Bash 脚本，该脚本应该从输入的目录路径在 /usr/local/{etc,lib,include...} 中创建符号链接
#!/bin/sh
input="$1"
for subdir in "etc include bin lib man share sbin"; do
dir=$input/$subdir
if [ -e $dir ] && [ -d $dir ]; then
for file in $dir/*; do
ln -s $file /usr/local/$subdir
done
fi
done
我得到的错误是：
user@comp:/usr/local# ./update-locallinks /usr/local/test/
[: 6: /usr/local/test/etc: unexpected operator
这就是 /usr/local/测试/看起来像：
user@comp:/usr/local# ls /usr/local/test/
bin
etc
include
lib
I've created a simple Bash script that should create symlinks in /usr/local/{etc,lib,include...} from an inputted directory path
#!/bin/sh
input="$1"
for subdir in "etc include bin lib man share sbin"; do
dir=$input/$subdir
if [ -e $dir ] && [ -d $dir ]; then
for file in $dir/*; do
ln -s $file /usr/local/$subdir
done
fi
done
The error i'm getting is:
user@comp:/usr/local# ./update-locallinks /usr/local/test/
[: 6: /usr/local/test/etc: unexpected operator
and this is what /usr/local/test/ looks like:
user@comp:/usr/local# ls /usr/local/test/
bin
etc
include
lib
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始终在测试表达式中使用双引号保护 bash 变量：
Always protect your bash variables with double quotes in test expressions:
为什么要加引号？将其更改为：
否则
$dir将在第一次（也是唯一的）迭代中包含etc include bin ...。Why the quotes? Change that to:
otherwise
$dirwill containetc include bin ...on the first (and only) iteration.