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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:
- 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
- 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
- linux - sed command in bash - Stack Overflow
sed is the Stream EDitor It can do a whole pile of really cool things, but the most common is text replacement The s,%,$,g part of the command line is the sed command to execute The s stands for substitute, the , characters are delimiters (other characters can be used; , : and @ are popular)
- Understanding sed expression s ^\. \ g - Stack Overflow
First, understanding the sed expression at hand s pattern replacement flags is the a sed command, described in detail in man sed In this case, pattern is a regular expression; replacement is what that pattern gets replaced with when where found; and flags describe details about how that replacement should be done
- What does \1 in sed do? - Stack Overflow
@AbdullahJibaly The role of g is unrelated to anything in the back reference Without g, sed will only substitute the first occurrence of the regex on each line; with g you are saying, "if that succeeded, proceed from that point in the input string and replace the next one, too; repeat until you cannot find any more matches "
- Find and replace with sed in directory and sub directories
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