Re: convert windows file names

[J.]

On Fri, 15 Apr 2005, James Miller wrote:
I tried your perl script and it works really well, Flemming. Thanks for 
bringing it to my attention. I see it works for all files in a given 
directory--exactly what I need. Now, in place of something like

Patrick\ Cohen\ \&\ Mosaiques\ Quartet\ -\ Quintet\ For\ Piano\ \&\ Strings\ 
In\ D\ Major\,\ Op.565\,\ G411\ -.\ Andante\ Come\ Prima.mp3
I get
Patrick_Cohen__and__Mosaiques_Quartet_-_Quintet_For_Piano__and__Strings_In_D_Major._Op.56£¯5._G411_-¥²._Andante_Come_Prima.mp3
--a big step in the right direction. But I'm still getting some wierd 
characters in there--£¯ and ¥². Are these unicode or something? 
To strip or translate characters that can't be printed properly or aren't 
in your locale `man locale' you can use `tr' [translate] from the 
command-line, for example translate all non-printable characters with
underscores.
~: tr -sc '![:print:]' '_'
translate a `space' to an underscore
~: tr ' ' '_'
DOS to UNIX newlines:
tr -d '\015' < foo.txt > newfoo.txt

or in combi with other programs..
find . -type d -print | xargs rename 'tr/A-Z/a-z/;' 

If your translating filenames, from the command-line in a sequence
of events, make sure you use `read', that will help reading non-ascii 
data. `man ascii'

~: ls -1 | while read FNAME ; do echo ${FNAME} | tr ' ' '_' ; done
Most GNU/Linux distro's come with a standaard program called `rename'
~: rename -h
Usage: rename [-v] perlexpr [filenames]
The Bash shell itself has quite some standard easy & powerfull ways onboard
to achive this, named `parameter expansion': 
ls -1 *.pdf | while read file ; do ps2ascii $file ${file%%pdf}txt ; done
or..
for file in *.bmp ; do convert $file ${file%.bmp}.png ; done

From the bash manual page:
# remove from end the smallest part from `param'
# that equals `word' and returns the remainder as result.
${param%%word}
There are more ways to expand parameters, ${param#word}, ${param##word}, 
${foo:+bar}... Just look in the manual page..

To give an example, in combination with find :
~: find . -name '*.jpg' -print | while read file ; do echo 
"${file%/*}/thumb_${file##*/}" ; done
The unix philosophy is, do one thing and do it good.. Search for `Unix
philosopy' at google to learn more about it. Quite interesting, and will
give some historical insights and understanding on the command-line. 

J.
Anyway, I 
can't reproduce these at the command line. Is there any way your script 
might be made to catch and replace symbols like these as well (I mean, for 
someone who knows absolutely nothing about Perl, and precious little about 
scripting in general)? I have no idea what information these symbols are 
supposed to be representing. It's probably so inconsequential I don't even 
need it, so replacing it with virtually any other symbol should suffice. 
I'd say I've got at least 20 files with such symbols, and more are on the 
way.

Thanks, James
--
Don't worry Ma'am. We're university students, - we know what we're doing.
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