问题描述
我正试图通过OS X Terminal使用SED来执行查找和替换。
I'm attempting to use SED through OS X Terminal to perform a find and replace.
想象一下，我在整个文本文件中乱扔了这个字符串：
Imagine I have this string littered throughout the text file: http://www.find.com/page
我想用以下字符串替换它：
And I want to replace it with this string: http://www.replace.com/page
我遇到了麻烦，因为我不确定如何正确地转义或在字符串中使用 /字符。例如，如果我只是想找到 cat并替换为 dog，我发现以下命令非常有效：
I'm having trouble because I'm not sure how to properly escape or use the "/" character in my strings. For example if I simply wanted to find "cat" and replace with "dog" I've found the following command that works perfectly:
sed -i '' 's/cat/dog/g' file.txt
有人吗对如何仅实现相同功能有什么想法，而不是让cat and dog具有包含 /字符的字符串或URL？我尝试了多种转义 /字符的方法，但似乎SED无法再查找该字符串并且它不执行任何查找和查找。
Does anyone have any ideas on how to achieve the same functionality only instead of cat and dog have strings or URLs that container the "/" character? I tried many different ways of escaping the "/" characters but then it seems as if SED can no longer "find" the string and it doesn't perform any find & replace actions.
非常感谢任何帮助或提示。
Any help or tips are greatly appreciated.
谢谢！
推荐答案
/ 不是中的 分隔符sed 命令，它只是可能的命令之一。对于此示例，例如，可以使用，代替，因为它与字符串不冲突；
/ is not the delimiter in sed commands, it's just one of the possible ones. For this example, you can for example use , instead since it does not conflict with your strings;
echo 'I think http://www.find.com/page is my favorite' |
sed 's,http://www.find.com/page,http://www.replace.com/page,g'
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