41 lines
773 B
Bash
41 lines
773 B
Bash
#!/bin/rc
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# usbeject - unmount usb disks given as arguments
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# unmount all of them if no arguments given
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rfork e
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disk = ()
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mtpt = /n/usb
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test -e /dev/fs/ctl || bind -b '#k' /dev >[2]/dev/null
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test -e /dev/usb || bind -a '#u' /dev || {
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echo $0: no '#u/usb' >[1=2]
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exit nousb
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}
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test -e /dev/usbdctl || mount -a /srv/usb /dev || {
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echo $0: cannot mount /srv/usb >[1=2]
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exit nousbd
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}
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disks=()
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mtpt=()
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switch ($#*) {
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case 0
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disks=`{ls -pd /n/sdU*}
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case *
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disks=()
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for (a) {
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if(~ $a sd??)
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disk=`{ls -pd /n/^$*^*}
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if not
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disk=$a
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disks=($disks $disk)
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}
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}
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if (~ $disks '''sdU*''')
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exit ''
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for (disk in $disks) {
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unmount /n/$disk >[2]/dev/null && echo $disk unmounted
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if (test -e /dev/fs/ctl)
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echo del $disk^parts/^'*' >/dev/fs/ctl >[2]/dev/null
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}
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exit ''
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