new_aged_01
new_aged_01_b
new_aged_01.bak
new_aged_02
new_aged_02_b
new_aged_02.bak
new_aged_03
new_aged_03_b
new_aged_03.bak
I have a list of files given above, like to use grep to give me output like below,
new_aged_01
new_aged_02
new_aged_03
I tried grep , but it did not work