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Re: join fails on numerically sorted key fields?

From: Paul Eggert
Subject: Re: join fails on numerically sorted key fields?
Date: Thu, 08 Sep 2005 12:32:01 -0700
User-agent: Gnus/5.1007 (Gnus v5.10.7) Emacs/21.4 (gnu/linux)

address@hidden writes:

> It would be quite helpful for me if if I could use join with
> numerically sorted key fields, without having to alpha sort the
> files on the key fields, perform join, then numerically resort the
> files on the key fields

Yes, that would be a nice feature to add.  Perhaps you could write
the code and documentation?  The behavior should be consistent
with that of sort -n and/or sort -g, and should use similarly-named

Of course join can't sort numerically by default, because that would
break existing scripts and POSIX doesn't allow it.  See
But it sort numerically if you pass it an option.

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