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Old 01-30-2015, 12:43 AM   #1
geeksquads
LQ Newbie
 
Registered: Jan 2015
Posts: 2

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Post Search and replace strings with file paths in vim


Hello all,

I have a config file containing file paths.
I am wondering how one would go about searching and replacing the strings in vim.

Here is an excerpt of my file I am modifying in vim, so you guys can get a better idea about the situation:
Code:
Host america
    IdentityFile ~/.ssh/id_rsa.local
Host germany
    IdentityFile ~/.ssh/id_rsa.local
Host canada
    IdentityFile ~/.ssh/id_rsa.local
Host japan
    IdentityFile ~/.ssh/id_rsa.local
Host amsterdam
    IdentityFile ~/.ssh/id_rsa.local
[...]
I understand the the general format for a [s]ubstitute is:
Code:
:%s/<search string>/<replacement string>/g
I want to replace the line with the file path, so naturally I tried:
Code:
:%s,IdentityFile ~/.ssh/id_rsa.local,this is a test,gc
I changed the delimiter to ",", so that I wouldn't have to mess with correctly escaping the slashes.
After executing the command, vim unfortunately comes back with a "E486: Pattern not found: IdentityFile ~/.ssh/id_rsa.local" result. This is certainly not correct, since we can see the string is in the file above.

I assume that I need to escape something else, but I am not sure what or how. Can anyone shed some light on this issue?

Thanks!

Last edited by geeksquads; 01-30-2015 at 12:46 AM. Reason: Being more specific in my title
 
Old 01-30-2015, 01:42 AM   #2
veerain
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Registered: Mar 2005
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Quote:
:%s,IdentityFile ~/.ssh/id_rsa.local,this is a test,gc
There is an error in your vim regex. You should escape '~' character.

Try instead:

Code:
:%s,IdentityFile \~/.ssh/id_rsa.local,this is a test,gc
 
Old 01-30-2015, 03:03 AM   #3
geeksquads
LQ Newbie
 
Registered: Jan 2015
Posts: 2

Original Poster
Rep: Reputation: Disabled
Hi veerain,

I can't believe I didn't try that. I was thinking it was going to be a lot more complicated.
I totally thought it would be an issue related with something regarding "." or something. I guess not.

It works now. Thanks again, veerain!

----

On a sidenote, after looking up what "~" actually means, it seems to be a backreference to a previous substitute string. As to how you actually use it is beyond me... If anyone is in the mood to add more details about it, I'd love to learn a bit more.
 
  


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