Perl on windows, one-liners with wildcards/glob

Yary has asked for the wisdom of the Perl Monks concerning the following question:

Time to time I find myself on a windows host trying to run a one-liner such as:

perl -pi.bak "s/vanilla/strawberry/gi" *.txt *.doc
[download]

And then Window's cmd shell passes along *.txt and *.doc to perl, and perl cannot find a file called *.txt or *.doc, only files like "flavors.txt" and "plants.doc".

In general I can't install modules on these systems, and don't have friendlier shells to choose from. So I will either copy & paste the full files names, or if there are too many, I'll add a BEGIN block to the one-liner, eg:

perl -pi.bak "BEGIN{@ARGV=map glob,@ARGV}s/vanilla/strawberry/gi" *.txt *.doc

Anyone want to golf? Less to type for the one liners, the better.

/me wishes there was a command-line switch to have the perl interpreter do the globbing for me.

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Re: Perl on windows, one-liners with wildcards/glob by Corion (Patriarch) on Oct 21, 2011 at 23:39 UTC
Have you looked at Win32::Autoglob? As a caveat, both, your solution and Win32::Autoglob use `glob`, which commonly breaks on directories with spaces in them unless special care is taken. Personally, I prefer the saner `bsd_glob` from File::Glob.	[reply] [d/l] [select]
Re: Perl on windows, one-liners with wildcards/glob by BrowserUk (Patriarch) on Oct 21, 2011 at 23:55 UTC
I tend to use: `dir /b \| perl -ne ...` [download] because it gives me access to all the selection, exclusion, and directory traversal mechanisms that command has to offer. With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday' Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error. "Science is about questioning the status quo. Questioning authority". In the absence of evidence, opinion is indistinguishable from prejudice.	[reply] [d/l]
Re: Perl on windows, one-liners with wildcards/glob by runrig (Abbot) on Oct 21, 2011 at 23:34 UTC
If you could install MSYS (or perl power tools), you could do: `dir /x /b .txt .doc \| xargs perl -pi.bak -e "s/vanilla/strawberry/gi +"` [download] (update: which breaks on files with spaces unless you use the /x)	[reply] [d/l]
Re: Perl on windows, one-liners with wildcards/glob by graff (Chancellor) on Oct 22, 2011 at 02:00 UTC
Last time I checked (quite a while ago, admittedly), the GNU "bash" shell is available for MS-Windows systems. I highly recommend that.	[reply]
Re: Perl on windows, one-liners with wildcards/glob by mrstlee (Beadle) on Oct 22, 2011 at 16:08 UTC
Is Cygwin an option for you? You get a decent unix environment including bash and a few other shells. Perl is also available. You can of course use ActiveState or Strawberry from a cygwin shell - you just have to be mindful of the different path formats between windows & cygwin. I've used it for years - it helps me forget I have to use windows There's a full X environment available - so you can have xterm, though personally I use the non-X rxvt terminal - better performance. Recently I've started using cygputty - a putty port which is working out just fine for me.	[reply]
Re: Perl on windows, one-liners with wildcards/glob by Anonymous Monk on Oct 22, 2011 at 06:04 UTC
`for %f in (.c .pl) do perl -pi.bak "s/vanilla/strawberry/gi" %f`	[reply] [d/l]
Re: Perl on windows, one-liners with wildcards/glob by Anonymous Monk on Oct 23, 2011 at 05:56 UTC
`perl -pi.bak -e "INIT{@ARGV=<@ARGV>}s/vanilla/strawberry/gi" .txt .d +oc` [download]	[reply] [d/l]
Re^2: Perl on windows, one-liners with wildcards/glob by halley (Prior) on Oct 23, 2011 at 13:53 UTC
Finally a golf answer, and I learned something from it. I knew of <.txt> but had no idea that it allowed for multiple globs at once, such as <.txt *.doc>. -- `[ e d @ h a l l e y . c c ]`	[reply]
Re^2: Perl on windows, one-liners with wildcards/glob by Jim (Curate) on Oct 27, 2011 at 06:16 UTC
Is there a reason to use `INIT` instead of `BEGIN` except to play golf?	[reply] [d/l] [select]
Re: Perl on windows, one-liners with wildcards/glob by Yary (Pilgrim) on Oct 24, 2011 at 18:30 UTC
Thanks to the various replies. I particularly like the `INIT{@ARGV=<@ARGV>}` one, and the one reminding about spaces in paths- they dovetail nicely. "`for %f in` ..." answer is a good one to remember as well. These particular hosts are somewhat clamped down, so while I do use cygwin on my development machine, and install CPAN modules, I can't on those hosts, nor can I easily share folders/remote mount drives between my dev environment and theirs.	[reply] [d/l] [select]


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