Re: Changing Uppercase filenames into Lowercase
From: David J Dachtera (djesys.nospam_at_comcast.net)
Date: 08/11/05
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Date: Wed, 10 Aug 2005 21:09:52 -0500
Fred Bach wrote:
>
> Dear c.o.v. list,
>
> I already found MAKEUP.COM which breaks down a filename
> into its parts (device,directory,name,type,version) and
> uses the RENAME command to rename lowercase names and
> types to uppercase.
>
> I tried a simple modification which supplied the second
> argument to the RENAME command inside MAKEUP.COM with a
> lowercase filename. This DOES NOT WORK.
>
> The filename remains uppercase because DCL uppercases
> everything on MAKEUP.COM's RENAME line. And, the RENAME
> line in MAKEUP.COM does not seem to work with quotation
> marks around the lowercase portion.
>
> I haven't yet found any combination of quotation marks
> that works with the RENAME or CREATE commands. Ideas such
> as RENAME "FRED.TMP" "fred.tmp" do not work, nor does
> CREATE "fred.tmp". Specifying an FDL file with lowercase
> filename works, and it does create a lowercase filename,
> but that is a very cumbersome approach as I would have to
> ANALYSE/RMS/FDL every file and then edit the FDL file to
> put the filename spec into lowercase, and then use CREATE/FDL
> to create a new but empty lowercase file and then I would
> have to append the original uppercase file into that, and
> then delete the original uppercase file. That seems far,
> far too complicated and bulky.
>
> However, I did stumble across this method:
>
> RENAME &old_filename &new_filename
>
> works just fine where the symbol old_filename represents
> the uppercase equivalent and the symbol new_filename
> contains the lowercase equivalent. The ampersand operator
> prevents DCL from translating the symbol until after the
> command line is parsed, thus preventing the conversion of
> the new_filename symbol's contents to uppercase.
>
> Using this technique, I modified MAKEUP.COM into
> MAKELOWER.COM, removed one bug, and it works very well to
> rename a whole directory full of schedules to lowercase
> filenames which I can then directly FTP over to a
> case-sensitive linux-based webserver with the MPUT FTP
> command. This allows me to match a meta-standard that we
> seem to have here about lowercase filenames on some servers.
>
> I can send MAKELOWER.COM to whomever wants a copy for
> evaluation. I am not sure that it is bug-free yet.
>
> But am I missing something easy? Is there any other
> way to easily rename filenames to lowercase? Has
> something just zipped right over my head? Searches on
> google.com and Openvms.org didn't produce useful results.
Most FTP clients for VMS seem to convert upper to lower when the target
is non-VMS for me.
> Can the CONVERT command be used to do what I want?
Sure, using the other suggestions about how to state filespec's on the
command line.
-- David J Dachtera dba DJE Systems http://www.djesys.com/ Unofficial OpenVMS Hobbyist Support Page: http://www.djesys.com/vms/support/ Unofficial Affordable OpenVMS Home Page: http://www.djesys.com/vms/soho/ Unofficial OpenVMS-IA32 Home Page: http://www.djesys.com/vms/ia32/ Coming soon: Unofficial OpenVMS Marketing Home Page
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