//View Tip #840
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We can use vim to make changes to a file all in one command, for example

vim -c "5,10s/a/b/g | wq" filename

This will open the file 'filename' and replace all occurances of 'a' with 'b' on lines 5-10. The file will then be written and closed. To edit the file after the change, just remove the ' | wq' from the end of the command.


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Couldn't you do this with ex instead of full blown Vim?
Posted 2009-06-18 13:46:55
John
Sed is more designed for this:

sed -i "5,10s/a/b/g" filename

Does exactly what you are suggesting without invoking all of vim.
Posted 2009-06-18 13:59:18
Eric
I've used:
perl -p -i -e "s/old/new" <FILENAME>

It has served me very well... and you can use perl regex if you are so inclined.
Posted 2009-06-18 14:08:54
SteveG
Yes, you could do this all the ways mentioned in the above comments, but this is just an alternative.

TMTOWTDI!

Also, although there are better tools for this particular task, this could be used with other vim commands.

I guess the purpose of the tip is more to bring attention to the fact you can run a vim command directly than to do a substitution which I'm sure we all have over 9000 ways of doing already!
Posted 2009-06-18 14:29:05

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