1 files changed, 119 insertions, 0 deletions
diff --git a/g.sh b/g.sh
new file mode 100644
index 0000000..8abfee9
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+++ b/g.sh
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+#!/bin/bash
+#
+# 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 the 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[$2]
+        save_shortcuts
+        ;;
+    list)
+        get_shortcuts
+        for i in "${!gshortcuts[@]}"; do
+            echo "$i => ${gshortcuts[$i]}"
+        done
+        ;;
+    *)
+        get_shortcuts
+        if [ -z ${gshortcuts[$cmd]} ]; then
+            echo -e "Unknown shortcut \`$cmd'.\n"
+            usage
+        else
+            cd ${gshortcuts[$cmd]}
+        fi
+        ;;
+    esac
+}