How to prepend numerical order on filenames by Zsh/AWK/...?

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                          I would like to prepend numerical order form 1-777 on the orders given to it. 
You can loop it through and increment variable in Bash. 
However, I would like to do it with Zsh and/or Awk. 
An example follows. 
Filenames

    IMG_20161215_081850.jpg
    IMG_20161215_081851.jpg
    IMG_20161215_090559.jpg
    IMG_20161215_090601.jpg
    IMG_20161215_091308.jpg

Wanted

    1.IMG_20161215_081850.jpg
    2.IMG_20161215_081851.jpg
    3.IMG_20161215_090559.jpg
    4.IMG_20161215_090601.jpg
    5.IMG_20161215_091308.jpg


OS: Debian 8.5    
                        

Asked by Léo Léopold Hertz 준영 (7138 rep)

Dec 23, 2016, 04:44 PM
Last activity: Dec 30, 2016, 01:37 PM

How to prepend numerical order on filenames by Zsh/AWK/...?

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