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Re: Additional feature for the seq command
From: |
Paul Eggert |
Subject: |
Re: Additional feature for the seq command |
Date: |
Fri, 29 Apr 2005 10:29:49 -0700 |
User-agent: |
Gnus/5.1006 (Gnus v5.10.6) Emacs/21.4 (gnu/linux) |
Axel Liljencrantz <address@hidden> writes:
> I did this since the way I want to use this feature is for doing
> things with sets of data that is split in multiple files with names
> like sampa.asc, sampb.asc, sampc.asc, etc..
Aha! That helps to explain things.
In that case, why not make this an alternative to --format?
For example, suppose I want to print a sequence of California
automobile license plate numbers, whose syntax is
[1-9]?[A-Z][A-Z][A-Z][0-9][0-9][0-9]
Then I could do it with a command like this:
seq --template='[1-9]?[A-Z][A-Z][A-Z][0-9][0-9][0-9]' 3ABC999 3 3ABD005
and the output would be:
3ABC999
3ABD002
3ABD005
This is a nice generalization, both of your idea, and of the 'jot'
command's idea that James Youngman mentioned.
Perhaps it is _too_ general (:-), but something simpler would be OK
too. But the point is that one should be able to easily generate
patterns like the one used by the output of "split".