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|
#!/bin/sh
# $Id: update-ispell-dictionary,v 1.9 2003/06/17 14:27:17 david Exp $
#
# Bash script to select a new ispell default dictionary.
# Included as part of the Debian/GNU Linux ispell package.
#
# Kenneth MacDonald <K.MacDonald@ed.ac.uk> September 1995
#
# This script makes extensive use of 'update-alternatives' from the
# dpkg suite of programs. Priority information for each of the
# alternatives is stored, read and acted upon by 'update-alternatives'.
# IMPORTANT: All ispell dictionary packages should install themselves
# with priority 10. This script will then assign priority 999 to the
# chosen default, and re-run update-alternatives.
# note we use "/bin/echo -e" because -e is not standard (e.g.
# ash builting echo doesn't support it).
set -e
if [ $(id -u) != 0 ]; then
echo $0: You must run this as root.
exit 1
fi
NEWERSCRIPT=/usr/sbin/select-default-ispell
# If $NEWERSCRIPT (provided by the dictionaries-common
# package) is there, use that instead; the previous methods (the
# rest of this file) are obsolete.
if [ -x $NEWERSCRIPT ] ; then
echo $0 is now obsolete, and will eventually
echo be removed. I am running its replacement,
echo $NEWERSCRIPT, for you...
sh -c $NEWERSCRIPT
exit $?
fi
# Do nothing if running in noninteractive mode
DEBIAN_FRONTEND=`echo "$DEBIAN_FRONTEND" | tr A-Z a-z`
if [ "$DEBIAN_FRONTEND" = "noninteractive" ]; then
echo "$0: Running in noninteractive mode. Not doing anything."
exit 0
fi
# Find the current dictionaries on the system, and format into a menu.
get_dictionaries() {
dictionaries=`/usr/sbin/update-alternatives --display ispell-dictionary.hash \
| grep priority \
| sort -r -n -k 4 \
| sed 's+/usr/lib/ispell/++' \
| sed 's/\.hash//' \
| awk '{printf ("\\\t[%d] %s\\\n", NR, $1)}'`
if [ ! -z "$dictionaries" ]
then
num_dictionaries=`/bin/echo -e $dictionaries | grep -c '\[.*\]'`
else
num_dictionaries='None'
fi
}
# ----------------------------------------------------------------------
# Find the current default dictionary, set to None if none found.
get_default () {
current_default=`/usr/sbin/update-alternatives \
--display ispell-dictionary.hash \
| grep 999 \
| sed 's+/usr/lib/ispell/++' \
| sed 's/\.hash//' \
| awk '{print $1}'`
if [ -z $current_default ]
then
current_default='None'
fi
}
# ----------------------------------------------------------------------
# Keep prompting for default until valid choice made.
choose_default ()
{
/bin/echo
/bin/echo -e $dictionaries
echo -n "Select the number of the default dictionary [1] "
read num
selected_num=${num:-1}
selected=`/bin/echo -e $dictionaries | grep "\[$selected_num\]" | awk '{print $2}'`
if [ -z $selected ]
then
/bin/echo -e "\nInvalid choice - try again!\n"
choose_default
fi
}
# ----------------------------------------------------------------------
# Promote the selected dictionary to be the default.
make_default ()
{
echo -n "Making $selected the default ispell dictionary..."
update-alternatives --quiet --install /usr/lib/ispell/default.hash \
ispell-dictionary.hash /usr/lib/ispell/$selected.hash 999 \
--slave /usr/lib/ispell/default.aff ispell-dictionary.aff \
/usr/lib/ispell/$selected.aff > /dev/null
echo "done."
}
# ----------------------------------------------------------------------
# Demote the old default dictionary.
demote_default ()
{
echo -n "Demoting $current_default (old default)..."
update-alternatives --quiet --install /usr/lib/ispell/default.hash \
ispell-dictionary.hash /usr/lib/ispell/$current_default.hash 10 \
--slave /usr/lib/ispell/default.aff ispell-dictionary.aff \
/usr/lib/ispell/$current_default.aff > /dev/null
echo "done."
}
# ----------------------------------------------------------------------
/bin/echo -e "Please wait while I search for ispell dictionaries..."
get_dictionaries
if [ $num_dictionaries != "None" ]
then
get_default
if [ $num_dictionaries != "1" ]
then
choose_default
else
selected=`/bin/echo -e $dictionaries | grep '\[.*\]' | awk '{print $2}'`
echo There is only one installed dictionary - $selected.
fi
if ([ $current_default != 'None' ] && [ $current_default != $selected ])
then
demote_default
fi
if [ $selected != $current_default ]
then
make_default
else
echo No change - $selected is already the default.
fi
else
echo "WARNING: No ispell dictionaries found -- you should install one."
exit
fi
|
