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Changing file extension

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Changing file extension UNIX Help forum discussing the Unix Operating System and all variants including Irix, Solarix, and AIX. Unix was designed as a true multi-user operating system.

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  #1  
Old December 5th, 2002, 04:58 AM
its_me its_me is offline
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Question Changing file extension



Guys -
I wanna move files with "*.doc" extn to "*.txt ".
Is there any command in unix to do that? or we have to go for shell script?
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Old December 5th, 2002, 07:07 AM
Strike Strike is offline
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rename s/\.txt/.doc/ *.txt

Or if you want to use a more sophisticated regex to avoid documents like this-has-a-.txt-that-is-not-the-extension.txt being changed into this-has-a-.doc-that-is-not-the-extension.txt
then that's fine as well. But that's an okay regex for 95% of the cases.

Oh, also, this isn't a "standard Unix(TM) command, but it does come with most Perl installations that I know of and Perl is on most Unix machines that I know of.
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Old December 5th, 2002, 07:20 AM
its_me its_me is offline
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Hey - Thanks for reply...
Can you pls make it on Shell script?

In my system perl is installed ...but i dunno how to execute this cmd...when i type this command it is thrwoing syntax error
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Old December 5th, 2002, 12:40 PM
M.Hirsch M.Hirsch is offline
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Code:
for i in *.txt; do mv "$i" `basename $i`.doc; done
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Old December 6th, 2002, 07:20 AM
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Thumbs up
It works ..thanks you guys ....
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