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Old 05-17-2015, 12:52 PM   #1
bicyclerepairman
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Registered: May 2015
Distribution: lubuntu 14.10
Posts: 1

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Recursively move files of one type and create destination sub-folders


I'm just getting into Bash scripting, and would appreciate some help with this question. My music collection is split into a smaller, "active" set, kept on my laptop, and a much larger collection on an external hard drive. I've just converted some of the larger filetypes on my "active" set to *.mp3, and now want to move all the original files (*.flac) to the external hard drive. I need some help putting together a command or script that will recursively search my active music set for *.flac and then move them, but keeping the source directory structure. Some or all of these subdirectories may not exist on the destination.

eg. On the active music set, I may have:

/Music/artist1/album1/(a mix of *.mp3 and *.flac files)
/Music/artist2/album1/(a mix of *.mp3 and *.flac files)

and on the hard drive

/Music 2/artist1/album2/(the contents of the album)

So when copying, it'll need to create "/album1/" in "artist1" on the destination, and also "/artist2/album1/"

Thanks in advance!
 
Old 05-18-2015, 10:41 AM   #2
Keith Hedger
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Registered: Jun 2010
Location: Wiltshire, UK
Distribution: Linux From Scratch, Slackware64, Partedmagic
Posts: 2,252

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Grab a copy of the advanced bash scripting guide, don't be put off by the name it covers simple stuff as well, your distro may have it in its repos ( abs ) if not google it.

You are probaly going to need to use the 'dirname' and 'basename' commands on the source file to get the folder hierachy ( dirname ) then strip any leading path items you don't want, use 'mkdir -p' to create folder hierarchy on the destination and finally copy the source file to the destination folder.

so for instance
Code:
keithhedger@LFSCerebro:/media/SkyNet/Videos/Sherlock 3-> srcfile='/media/SkyNet/Videos/Sherlock 3/dvd_out.mpg'
keithhedger@LFSCerebro:/media/SkyNet/Videos/Sherlock 3-> dirpath=$(dirname "$srcfile")
keithhedger@LFSCerebro:/media/SkyNet/Videos/Sherlock 3-> echo $dirpath
/media/SkyNet/Videos/Sherlock 3
keithhedger@LFSCerebro:/media/SkyNet/Videos/Sherlock 3-> stripped="${dirpath/\/media\/SkyNet/}"
keithhedger@LFSCerebro:/media/SkyNet/Videos/Sherlock 3-> echo $stripped
/Videos/Sherlock 3
keithhedger@LFSCerebro:/media/SkyNet/Videos/Sherlock 3-> mkdir -p "/tmp/videos/$stripped"
keithhedger@LFSCerebro:/media/SkyNet/Videos/Sherlock 3-> cp "$srcfile" "/tmp/videos/$stripped"
keithhedger@LFSCerebro:/media/SkyNet/Videos/Sherlock 3-> ls "/tmp/videos/$stripped"
dvd_out.mpg
 
  


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