My Script actually list the files consuming large disk it need compress the log files..
Here are the files:
Hello_2009_10_22.log
Hello_2009_10_23.log.gz
Hello_2009_10_24.log.gz
Hello_2009_10_22.log
Hello_2009_11_26.log
Hello_2009_10_22.log.

In the above I have to gzip all files that are not compressed in one cmd..

Solutions:

Code:
gzip -9 Hello_2009*By default it won't compress files which already have a .gz extension

Code:
gzip: Hello_2009_10_23.log.gz already has .gz suffix -- unchangedYou can get rid of the errors by:

Code:
gzip -9 Hello_2009* 2> /dev/null

or 

Why not find ?

Code:
$ find . -iname "Hello*"
./Hello_2009_10_22.log.
./Hello_2009_11_26.log
./Hello_2009_10_24.log.gz
./Hello_2009_10_23.log.gz
./Hello_2009_10_22.log( or )

Code:
find . -iname "Hello*" -not -iname "*.gz"
./Hello_2009_10_22.log.
./Hello_2009_11_26.log
./Hello_2009_10_22.logAnd then execute gzip on it as

Code:
find . -iname "Hello*" -not -iname "*.gz" -exec gzip {} \;

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