SPUG: replace a text to other inside a file

[Umar Cheema]

Oops, just noticed that you also had another directory level added to the 
replaced pattern. You can try this simple regex:

perl -pi.bak -e 's/..\/(\w+).txt$/..\/..\/$1/g' some_file.txt



On Mon, 27 Dec 2004, Umar Cheema wrote:

> I usually take care of these things by running a perl regex on the command 
> line:
> 
> $ perl -pi.bak -e 's/\.txt$//g' some_file.txt
> 
> where 'some_file.txt' is your file that contains some text. You can 
> modify the regex to match your requirements and/or file's content 
> structure (this regex will not work if you expect to have multiple .txt 
> patterns on the same line or if .txt is not the last thing on the line, etc). 
> You can also pass in *.txt as an argument to replace your text in multiple 
> files.
> 
> The .bak will create backups of your original file (some_file.txt.bak) 
> incase you make a mistake. You can leave the .bak part out if you're a 
> confident and fearless man who laughs at the word 'mistake'.
> 
> 
> Umar
> 
> 
> On Tue, 28 Dec 2004, Sachin Chaturvedi wrote:
> 
> > i want to change some text inside file to other using perl 
> > for example
> > 
> > file contains
> > 
> > source ../setextreme.txt
> > 
> > and i want to change it to 
> > 
> > source ../../setextreme
> > 
> > can u tell me if i can do using perl script.
> > 
> > i am not getting much help from text book
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