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|
#!/bin/bash
die()
{
echo "Error: $*" >&2
exit 1
}
show_default()
{
d=$(lpstat -d)
case "$d" in
'system default destination: '*) echo "${d##* }" ;;
esac
}
set_default()
{
(
set -x
lpoptions -d "$1"
)
}
printers()
{
lpstat -p | while read line
do
case "$line" in
"printer "*)
p="${line#printer }"
echo "${p%% *}"
set -- "$p" "$line"
;;
esac
done
}
show_printers_with_default()
{
default_printer=$(show_default) # can be empty
for p
do
if [ "$p" = "$default_printer" ]
then
echo "[default] $p"
else
echo " $p"
fi
done | nl
}
set -e
set -- $(printers)
echo
show_printers_with_default "$@"
echo
read -p 'Choose default printer> ' i || die "Error reading input"
[ "$i" ] || exit 0
[ "$i" -gt 0 ] || die "Invalid choice: $i"
choice=${!i} && [ "$choice" ] || die "Invalid choice: $i"
set_default $choice
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