bash - rename multiple files in shell script -

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rename multiple files...in shell

i have 3 files in dir

abc.tar.gz abc2.tar.gz abc3.tar.gz

using command :

rename abc abc.part abc*.tar.gz

it converts them into

abc.part.tar.gz abc.part2.tar.gz abc.part3.tar.gz

after added 3 more files in it..

abc.tar.gz abc2.tar.gz abc3.tar.gz

and when fire rename abc abc.part abc*.tar.gz

it rename 6 files final output 

abc.part.tar.gz abc.part.part2.tar.gz abc.part.part3.tar.gz abc.part.part.tar.gz abc.part2.tar.gz abc.part3.tar.gz

i want prevent multiple rename... should rename command?

means final output should below,no matter how time fire rename command. here number of files dynamic ..it 3,4...or whatever... cannot add statically 3 or number !!

abc.part.tar.gz abc.part2.tar.gz abc.part3.tar.gz

as final argument rename, use:

abc{,2,3}.tar.gz

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