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#
# Copyright (C) 2013 Miquel Sabaté Solà <mikisabate@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
# Print the usage string.
usage() {
echo "usage: g [-h | --help] [-v | --version] <command> <args>"
}
# Print the help message.
help() {
usage
echo -e "\nThe g command are:"
echo -e " add\tAdd a new shortcut."
echo -e " rm\tRemove a shorcut."
echo -e " list\tList all the available shortcuts."
}
# Fill the hash of shortcuts with the contents of the gfile.
get_shortcuts() {
local i=0 word=""
gshortcuts=()
while read line; do
if [ ! -z "$line" ]; then
if [ "$word" == "" ]; then
word=$line
else
gshortcuts[$word]=$(eval echo $line)
word=""
fi
i=$(($i+1))
fi
done < $gfile
}
# Save the computed shortcuts into the gfile.
save_shortcuts() {
# Erase the contents of the gfile.
>$gfile
# Finally write the hash into the gfile.
for i in "${!gshortcuts[@]}"; do
echo "$i" >> $gfile
echo "${gshortcuts[$i]}" >> $gfile
done
}
# The main function for this script.
g() {
version="0.1"
cmd="$1"
gfile=$HOME/.gfile
declare -A gshortcuts
# Make sure that the gfile actually exists.
if [ ! -z "$GFILE" ]; then
gfile="$GFILE"
fi
touch $gfile
# Parse the command.
case "$cmd" in
-v | --version)
echo "g version: $version"
;;
-h | --help)
help
;;
add)
if [ "$#" != "3" ]; then
echo "usage: g add <name> <path>"
return
fi
get_shortcuts
gshortcuts[$2]=$3
save_shortcuts
;;
rm)
if [ "$#" != "2" ]; then
echo "usage: g rm <name>"
return
fi
get_shortcuts
unset gshortcuts[$2]
save_shortcuts
;;
list)
get_shortcuts
if [[ "$#" == "2" && "$2" == "--keys" ]]; then
str=""
for i in "${!gshortcuts[@]}"; do
str="$str $i"
done
echo $str
else
for i in "${!gshortcuts[@]}"; do
echo "$i => ${gshortcuts[$i]}"
done
fi
;;
*)
get_shortcuts
if [ -z ${gshortcuts[$cmd]} ]; then
echo -e "Unknown shortcut \`$cmd'.\n"
usage
else
cd ${gshortcuts[$cmd]}
fi
;;
esac
}
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