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#!/bin/sh
tmp="$(mktemp)"
test "$(id -u)" != "0" && sudo="sudo"
logn () { >&2 printf "%s\n" "$@"; }
log () { >&2 printf '%s' "$@"; }
# Read one character
read_char ()
{
log ">"
old_stty_cfg=$(stty -g)
stty raw
dd ibs=1 count=1 2> /dev/null
stty "$old_stty_cfg"
logn ""
}
get_dev () { grep "^$1\." "$tmp" | cut -f 2- -d ' '; }
# mount the device with $1 as the choice
mount ()
{
dev="$(get_dev "$1")"
test -z "$dev" && exit 1
logn "Mounting /dev/$dev on /media/$dev"
mkdir -p /media/"$dev"
$sudo mount /dev/"$dev" /media/"$dev" > /dev/null 2>&1 ||
return 1
}
# umount the device with $1 as the choice
umount ()
{
mountpoint="$(sed -n "${1}p" "$tmp" | awk '{print $3}')"
test -z "$mountpoint" && exit 1
logn "Unmounting $mountpoint"
$sudo umount "$mountpoint" ||
return 1
}
ejekt ()
{
dev="$(get_dev "$1" | sed 's/.$//')"
test -z "$dev" && exit 1
logn "Ejecting /dev/$dev"
$sudo eject /dev/"$dev" > /dev/null 2>&1 ||
return 1
}
# print lsblk, use $1 to print only devices with mountpoints or without
pr_lsblk ()
{
clear
lsblk -o name,size,type,mountpoint
logn "───────────────────────────────────"
lsblk --ascii -o name,mountpoint |
grep '^.-' |
while read -r line
do
words="$(printf "%s" "$line" | wc -w)"
test "$words" -eq "${1:-1}" && continue
printf "%s\n" "$line"
done |
cut -f 2- -d "-" |
awk '{print NR ". " $0}' |
tee "$tmp" >&2
}
cleanup () { rm -f "$tmp"; }
trap cleanup EXIT INT
logn "m(ount) u(mount) (e)ject ?"
choice="$(read_char)"
case $choice in
"m") i=2; cmd=mount ;;
"u") i=1; cmd=umount ;;
"e") i=2; cmd=ejekt ;;
*) exit 1 ;;
esac
pr_lsblk "$i"
choice="$(read_char)"
printf "%s" "$choice" | grep -q "[0-9]" || exit 1
if $cmd "$choice"
then
logn "Successful."
else
logn "Failed."
fi
|
