如何删除文件名中的特殊字符? [英] How to remove special characters in file names?

问题描述

在创建播放列表时，我经常遇到会破坏播放过程的文件.这样的文件将带有空格或撇号.我将使用以下命令对其进行修复

When creating playlists I often came across files that would break the playing process. Such would be files with spaces or apostrophes. I would fix it with the following command

for file in *.; do mv "$file" `echo $file | tr " " '_'` ; done **(for spaces)**

现在，我经常遇到带有逗号，撇号，方括号和其他字符的文件.我将如何修改命令以删除此类字符?

Now I more often come across files with commas, apostrophes, brackets and other characters. How would I modify the command to remove such characters?

还尝试了重命名's/[^ a-zA-Z0-9 _-]//'* .mp4 ，但它似乎并未删除空格或逗号

Also tried rename 's/[^a-zA-Z0-9_-]//' *.mp4 but it doesnt seem to remove spaces or commas

推荐答案

如果您向其中添加 g 修饰符，则您的重命名将起作用，这将执行所有替换而不是只有第一个:

Your rename would work if you add the g modifier to it, this performs all substitutions instead of only the first one:

$ echo "$file"
foo bar,spam.egg

$ rename -n 's/[^a-zA-Z0-9_-]//' "$file"
foo bar,spam.egg renamed as foobar,spam.egg

$ rename -n 's/[^a-zA-Z0-9_-]//g' "$file"
foo bar,spam.egg renamed as foobarspamegg

---

您可以单独进行 ，并进行参数扩展:

• 要从文件名中删除除 a-zA-Z0-9 _- 以外的所有内容，请使用字符类 [假定变量 file 包含文件名] [:alnum:] 匹配当前 locale :

• For removing everything except a-zA-Z0-9_- from file names, assuming variable file contains the filename, using character class [:alnum:] to match all alphabetic characters and digits from current locale:

"${file//[^[:alnum:]_-]/}"

或明确地将 LC_COLLATE 更改为 C :

"${file//[^a-zA-Z0-9_-]/}"

示例:

$ file='foo bar,spam.egg'

$ echo "${file//[^[:alnum:]_-]/}"
foobarspamegg

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