Date: Tue, 17 Aug 2010 08:22:17 -0700 From: Chip Camden <sterling@camdensoftware.com> To: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: Bash Script Help - File Names With Spaces Message-ID: <20100817152217.GF3974@libertas.local.camdensoftware.com> In-Reply-To: <4C6AA0FD.8000100@mykitchentable.net> References: <4C6AA0FD.8000100@mykitchentable.net>
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Quoth Drew Tomlinson on Tuesday, 17 August 2010:
> I have a collection of yearly top 100 Billboard mp3s in this format (all=
=20
> one line - sorry if it wraps):
>=20
> /archive/Multimedia/Audio/Music/Billboard Top USA Singles/1980-028 Kenny=
=20
> Loggins - This Is It.mp3
>=20
> I want to create symbolic links to the top 30 in 1966-1969 in another=20
> directory for easy migration to a flash card. Thus I invoked 'find' to=20
> get a list (again, all one line):
>=20
> find -E "/archive/Multimedia/Audio/Music/Billboard Top USA Singles"=20
> -regex '.*19[6-9][0-9]-0[0-2][0-9].*'
>=20
> (OK, I know this will only return the top 29)
>=20
> 'find' returns the complete filename as above:
>=20
> /archive/Multimedia/Audio/Music/Billboard Top USA Singles/1980-028 Kenny=
=20
> Loggins - This Is It.mp3
>=20
> Then I attempt to use 'basename' to extract the file name to a variable=
=20
> which I can later pass to 'ln'. This seems to work:
>=20
> basename "/archive/Multimedia/Audio/Music/Billboard Top USA=20
> Singles/1980-028 Kenny Loggins - This Is It.mp3"
>=20
> returns (all one line):
>=20
> 1980-028 Kenny Loggins - This Is It.mp3
>=20
> which is what I would expect. However using it with 'find' give me this=
=20
> type of unexpected result:
>=20
> for i in `find -E "/archive/Multimedia/Audio/Music/Billboard Top USA=20
> Singles" -regex '.*19[6-9][0-9]-0[1-2][0-9].*'`; do basename "${i}";done
>=20
> 1980-028
> Kenny
> Loggins
> -
> This
> Is
> It.mp3
>=20
> Why is this different? And more importantly, how can I capture the file=
=20
> 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.
>=20
> Thanks,
>=20
> Drew
>=20
> --=20
> Like card tricks?
>=20
> Visit The Alchemist's Warehouse to
> learn card magic secrets for free!
>=20
> http://alchemistswarehouse.com
>=20
> _______________________________________________
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> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
> To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.o=
rg"
--=20
Sterling (Chip) Camden | sterling@camdensoftware.com | 2048D/3A978E4F
http://camdensoftware.com | http://chipstips.com | http://chipsquips=
.com
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