# move to the location of our dmg file
cd ~/Downloads
# We need to change the separator for the for loop,
# (in case mountpoint has whitespace)
IFS=\n
# mount the dmg, and output the final line of output which looks like:
# /dev/disk2s1 Apple_HFS /Volumes/XiphQT 0.1.9
for m in $(hdiutil attach xiph-qt-0.1.9.dmg | tail -n1 ) ; do
# set our mount point for future use
# (change our FIELD SEPARATOR to tab, in case of whitespace in mountpoint)
mp=$(echo $m | awk 'BEGIN {FS="\t"}; {print $3}')
# set our destination folder
dest='Library/Components'
# create our destination folder
cd ; mkdir "${dest}"
# copy our component into the destination folder
cp -R ${mp}/XiphQT.component "${dest}"
# detach our mountpoint
hdiutil detach ${mp};
done
With a little side of applesauce...
Monday, January 31, 2011
OS X / hdiutil - acquire mount point on command line
When I was trying to automate the installation of XiphQT, I was struggling to find the mount point after Finder opened the dmg. I found that I could tail -n1 the output of the hdiutil attach my.dmg and use that output:
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©2006 Shannon Eric Peevey

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