Re: small programming question

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Claude Jones wrote:

Could someone help. I have chosen a bad naming convention for a long list, and I need to make a small alteration. The list looks like the following
001-Fig 1-1.jpg 013-Fig 4-4a.jpg 024-Fig 5-6.jpg 035-Fig 5-17.jpg
etc...
I would like to add a 0 to each group of three numbers at the beginning of each name so that 001-Fig 1-1.jpg becomes 0010-Fig 1--1.jpg for example.
Could someone help me with the quick way to do this?


How about

perl -pi~ -e 's/^[0-9]/0$&/' yourfile

?

(Replaces a digit at the start of a line with 0 followed by the orignal digit. Backup file in yourfile~)

- Toralf


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