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Jacoden, thanks I can use this. I checked... I think multiple files are not there.

I have multiple files in the gz file... I guess this may work foronly if the gz has single file.

Thanks for the reply.

unzip test.zip ==> This uncompresses and keeps the original zip file.

gunzip test.gz ==> Removes the .gz file after uncompressing.
Is there any switch to make the .gz file available after...

Somebody suggested in one of the messages and with that, could make it like this:

suffix=${filename##*.}

if [ $suffix = "jpg" || $suffix = "gif" ]; then
-- do something
fi

Can any body help me on how to check whether a file contains a required extension or not.

pseudo is:

if (filename contains .jpg || filename contains .gif)
--- do some thing
end if

Example...

Got it. Thank you all.

How to compare the file name for "zip" or "ZIP" extension.

I can put one more || condition to check the upper case in the below:
if [[ "`echo ${fileName} | cut -d'.' -f2`" = "zip" ]]; then

Is...

thank you very much for the quick responses... my prob solved.
finally ended up using
gzcat fnam.tar.gz | tar xf -

gunzip fnam.tar.gz
After this command execution... .gz file no longer exists... and only fnam.tar is present.

Is it possible to retain the tar.gz file after after using the above command

thx...

thank you all.. it was helpful

Thanks for the replies.

can this regular expression be made possible to use for both filename.gz & filename.tar.gz

I want to get filename for both of these commands as just filename only:
echo...

This command gives me just the filename without any extension:
evrvar =`echo filename.tar | sed 's/\.[^.]*$//'`

I am trying to make a change to this command... to make it work for......