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- unix - sed edit file in-place - Stack Overflow
Syntax is similar to sed, but certainly not exactly the same Even if you don't have a -i supporting sed, you can easily write a script to do the work for you Instead of sed -i 's foo bar g' file, you could do inline file sed 's foo bar g' Such a script is trivial to write For example:
- unix - What does sed -i option do? - Stack Overflow
sed 's "p" 0 g' file txt > file txt Unfortunately because of the nature of redirects the above will simply produce a blank file Instead a temp file must be created for the output which later overwrites the original file something like this:
- regular expression - Using sed to find and replace complex string . . .
You need to quote \[ *^$ in the regular expression part of the s command and \ in the replacement part, plus newlines
- What is the purpose of -e in sed command? - Unix Linux Stack Exchange
In your example sed 's foo bar ' and sed -e 's foo bar ' are equivalent In both cases s foo bar is the script that is executed by sed The second option is more explicit, but that is probably not the reason that you often see -e used The reason for that is that -e makes it possible to use more than one script with the same invocation of sed
- Find and replace with sed in directory and sub directories
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- Extract numbers from a string using sed and regular expressions
Great works a treat I guess _ in there means to look for numbers only after the underscore? In this instance I can always expect an underscore so this will work
- How to use variables in a command in sed? - Stack Overflow
@tripleee While I'm certain that this would be a duplicate of numerous other questions, the one that you've pointed to isn't the best one since it doesn't contain slashes in the variable
- sed - Change multiple files - Stack Overflow
For sed -i 's old new' *, the expansion of * must ALL be passed as an arglist to sed, and I'm fairly sure this has to happen before the sed process can even be started Using the for loop, the full arglist (the expansion of *) never gets passed as a command, only stored in the shell memory and iterated through I don't have any reference for
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