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Full Discussion: find and replace a string in a file without the use of temp file
Top Forums Shell Programming and Scripting find and replace a string in a file without the use of temp file Post 302343951 by raghutapal on Friday 14th of August 2009 07:51:06 AM
Old 08-14-2009
Quote:
Originally Posted by panyam
Something like this :

Code:
perl -i -pe 's/OLD/NEW/ '  File_name.txt

Thanks Panyam.It works great.
Could you please explein me how the above command works.
I am new to perl

Thanks
Raghu

---------- Post updated at 06:51 AM ---------- Previous update was at 06:45 AM ----------

***************************************************

Thanks to vgersh99 for that example:
Code:
printf '1,$ s/OLD/NEW/g\nw! infile\nq!'| ex - infile

[/quote]

Thanks Vgersh.That works great.
Can you please explain me the above code in detail.I have never used such command to find replace a string in a file before

Regards
Raghu
 

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