On Thu, Dec 11, 2008 at 5:35 PM, Robert Wuest <rwuestfc@xxxxxxxxx> wrote:
> On Tue, 2008-12-09 at 18:53 -0600, Dave Ihnat wrote:
>> On Wed, Dec 10, 2008 at 11:17:05AM +1100, Cameron Simpson wrote:
>> > is totally reliable and does not need $IFS hacking (which amounts to
>> > "guess a char I might not see in a filename).
>>
>> Hmm...I don't have as much problem with it, but that may be because
>> since I started using Unix around 1980, using IFS to parse records has
>> been a useful tool. Something like:
>>
>> SAVIFS=$IFS
>> IFS=:
>>
>> while read INLINE </etc/passwd
>> do
>> set $INLINE
>> (process fields)
>> done;
>> IFS=$SAVIFS
>>
>> (Yeah, if it gets too complicated, shift to awk.)
>
> Spaces have always been one of my pet peeves and I find this discussion
> rather interesting. Spaces don't belong in filenames and they make
> script writing a pain. I'm going to include a script I wrote a long
> time ago to handle the problem of junk characters in music files. Even
> buying music online from Amazon will get you spaces in filenames :(
>
> I remember messing with this little script quite a bit before it worked.
> One lesson I learned writing this was to use lot's of double quotes.
> The script replaces spaces (and other things) in filenames. I just put
> it up here as an example since it's pretty short. I seem to use it a
> lot.
>
> The main for loop is:
>
> for i in *; do
> fixname "$i"
> done
>
> Notice the quotes around "$i". They're important.
>
> Robert
>
>
> #!/bin/bash
> #
> # fixmp3names
> # Copyright (c) 2000, by Robert Wuest
> # Permission is granted to use, modify and, distribute according
> # to the terms of the GPL
> #
> # This script fixes a lot of the anomalies in file names
> # usually weird stuff from mp3 files, but it's really generic
> #
> # if called with no args it processes all files in the current directory
> # or works on the names passed on the command line
> # probably doesn't work across directories
> #
> # just writes the mv commands to standard out
> # if you want it to actually do something, pipe the output to sh, as in:
> # fixmp3names | sh
> #
>
> IFS=$'\n'
>
> function fixname()
> {
> newname=`echo $1 | \
> sed -r \
> -e "s/[ ]+/_/g" \
> -e "s/[_]+/_/g" \
> -e "s/'//g" \
> -e "s/[+]//g" \
> -e "s/,//g" \
> -e "s/_-_/-/g" \
> -e "s/\&/and/g"`;
> # only do rename if the name is changed
> if [ \"$1\" != \"${newname}\" ]; then
> echo mv \"$1\" \"${newname}\"
> else
> echo "# \"$1\" and \"${newname}\" are the same file"
> fi
> }
>
> if [ "$#" == "0" ]; then
> for i in *; do
> fixname "$i"
> done
> else
> while [ "z$1" != "z" ]; do
> fixname "$1"
> shift
> done
> fi
>
> exit
Hmmm, doesn't check if a file with the target name already exists.
poc
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