Bash Script Help - File Names With Spaces
Chip Camden
sterling at camdensoftware.com
Tue Aug 17 15:22:24 UTC 2010
Quoth Drew Tomlinson on Tuesday, 17 August 2010:
> I have a collection of yearly top 100 Billboard mp3s in this format (all
> one line - sorry if it wraps):
>
> /archive/Multimedia/Audio/Music/Billboard Top USA Singles/1980-028 Kenny
> Loggins - This Is It.mp3
>
> I want to create symbolic links to the top 30 in 1966-1969 in another
> directory for easy migration to a flash card. Thus I invoked 'find' to
> get a list (again, all one line):
>
> find -E "/archive/Multimedia/Audio/Music/Billboard Top USA Singles"
> -regex '.*19[6-9][0-9]-0[0-2][0-9].*'
>
> (OK, I know this will only return the top 29)
>
> 'find' returns the complete filename as above:
>
> /archive/Multimedia/Audio/Music/Billboard Top USA Singles/1980-028 Kenny
> Loggins - This Is It.mp3
>
> Then I attempt to use 'basename' to extract the file name to a variable
> which I can later pass to 'ln'. This seems to work:
>
> basename "/archive/Multimedia/Audio/Music/Billboard Top USA
> Singles/1980-028 Kenny Loggins - This Is It.mp3"
>
> returns (all one line):
>
> 1980-028 Kenny Loggins - This Is It.mp3
>
> which is what I would expect. However using it with 'find' give me this
> type of unexpected result:
>
> for i in `find -E "/archive/Multimedia/Audio/Music/Billboard Top USA
> Singles" -regex '.*19[6-9][0-9]-0[1-2][0-9].*'`; do basename "${i}";done
>
> 1980-028
> Kenny
> Loggins
> -
> This
> Is
> It.mp3
>
> Why is this different? And more importantly, how can I capture the file
> name to $i?
Try:
find -E ... | while read i; do; basename $i; done
When using back-ticks, all the output gets appended together,
space-separated. Then 'for' can't tell the difference between a space in
a filename and a delimiter. Using 'read' instead preserves line
boundaries.
>
> Thanks,
>
> Drew
>
> --
> Like card tricks?
>
> Visit The Alchemist's Warehouse to
> learn card magic secrets for free!
>
> http://alchemistswarehouse.com
>
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--
Sterling (Chip) Camden | sterling at camdensoftware.com | 2048D/3A978E4F
http://camdensoftware.com | http://chipstips.com | http://chipsquips.com
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