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Do you have to escape slashes in SED?
if your sed supports it. Then it is no longer necessary to escape the slashes. The character directly after the s determines which character is the separator, which must appear three times in the s command. Not the answer you’re looking for? Browse other questions tagged bash shell sed or ask your own question.
Is there a way to escape double quotes in SED?
The s/// command in sed allows you to use other characters instead of / as the delimiter, as in The double quotes are not a problem. For matching single quotes, switch the two types of quotes around. Note that a single quoted string may not contain single quotes (not even escaped ones).
Are there any special characters in BSD sed?
While this may be the case, some special characters have limited or no support at all on BSD sed, such as ‘|’, ‘?’, and ‘+’, as it more closely adheres to the POSIX syntax standards. The inclusion of those characters, in a fashion similar to that of GNU sed, will often result in issues with portability and functionality of scripts utilizing sed.
Are there any special characters in GNU sed?
However, while GNU sed does allow for the functionality of some special characters, they are still not actually POSIX-compliant. Additionally, the only real difference between basic and extended regular expression (ERE), within GNU sed, is the behavior of the following special characters:
What are the names of the brackets in SED?
Take this input: That is a perfectly valid directory name: foo, backslash, left square bracket. If you just naïvely run that through your Sed commands you’ll end up with: Bad luck if you were doing all this to make [ not look like a shell metacharacter.
How can I escape square brackets in Bash?
Escape spaces, parentheses and curly braces: Escape spaces, parentheses, curly braces and square brackets: I have tried using single quotes around the brackets and switching the order in which they are changed. How can I escape the Square Brackets?
What should the directory name be in SED?
That is a perfectly valid directory name: foo, backslash, left square bracket. If you just naïvely run that through your Sed commands you’ll end up with: Bad luck if you were doing all this to make [ not look like a shell metacharacter. I could certainly be doing something wrong or have screwed up an environment variable or something.