Question : Removing duplicate entries in a file

Hello,

I got a file as like shown below. I want to remove all the duplicate entries in it. In addition, I want to do a numeric sort based on the last 2 numeric characters of each entry. Please let me know how can i do it?

weblm12
websb02
weblm04
weblm05
promo04
weblm04
weblm06
loglm01
weblm04
weblm01
weblm12
weblm03
weblm12
weblm02
loglm01
weblm05
weblm01
weblm06
weblm04
weblm03

Thanks in advance

Answer : Removing duplicate entries in a file

sort -u file >newfile