[m-rev.] diff: fix tr portability bug

[Fergus Henderson]

On 07-May-2002, Simon Taylor <stayl at cs.mu.OZ.AU> wrote:
> On 07-May-2002, Fergus Henderson <fjh at cs.mu.OZ.AU> wrote:
> > Estimated hours taken: 0.75
> > Branches: main
> > 
> > configure.in:
> > 	Change "tr a-z A-Z" to "tr '[a-z]' '[A-Z]'".  The former is
> > 	Posix-conforming, but doesn't work on some non-Posix-conforming
> > 	systems, in particular Solaris.  The latter works on both Solaris
> > 	and on Posix-conforming systems.
> 
> It might be better to spell it out:
> `tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ'.

Well, that would work, but I had hoped that it wouldn't be necessary.

> For example /usr/xpg4/bin/tr on taifun doesn't support
> character ranges properly.

Are you sure?  It seemed to work OK for me:

	$ echo FooBar | /usr/xpg4/bin/tr '[a-z]' '[A-Z]'
	FOOBAR
	$ echo Foo/Bar.c | /usr/xpg4/bin/tr '[a-z]./' '[A-Z]__'
	FOO_BAR_C

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
The University of Melbourne         |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.
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