Placing matching occurrence number to the left side of the occurrence itself

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awk sed regular-expression replace numbering

I have a file with multiple occurrences of the expression ".mp3". I want the first occurrence to become "1.mp3", the second occurrence to become "2.mp3", and so on. It would be something like awk '/ mp3 / NR' file My file:

line 1
wget .mp3 url
line 2
wget .mp3

....

I haven't got any results

Asked by 7beggars_nnnnm (109 rep)

Sep 9, 2019, 04:19 AM
Last activity: Sep 9, 2019, 08:56 AM

Placing matching occurrence number to the left side of the occurrence itself

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