#!/usr/bin/env bash
+#######################################################################
+
# (C) Copyright Armaan Bhojwani, 2020
# This program is free software: you can redistribute it and/or modify
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
-# Merge both global and local charfiles
+########################################################################
+
+# Define argument functions
+function usage() {
+ echo "Usage: /usr/bin/charsel [OPTION]... [CHARFILE]...
+A simple terminal character selector
+ -h show this message
+ -l show installed charfiles
+ -d show readme
+ --all include hidden shortcodes
+
+Exit status:
+ 0 okay,
+ 1 invalid charfile
+ 2 usage error/invalid option"
+}
+
+CHARDIR=$HOME/.cache/charsel
+function list() {
+ echo "The following charfiles are installed:"
+ ls $CHARDIR/charfiles
+}
+
+function readme() {
+ cat /usr/share/doc/charsel/README.md
+}
+
+function invalid_charfile() {
+ echo "The selected charfile is missing or invalid"
+ list
+ exit 1
+}
-CHARDIR=~/.cache/charsel
+# Look for arguments
+while getopts ":lhd" arg
+do
+ case ${arg} in
+ h)
+ usage
+ exit 0
+ ;;
+ l)
+ list
+ exit 0
+ ;;
+ d)
+ readme
+ exit 0
+ ;;
+ ?)
+ echo "Invalid option"
+ usage
+ exit 2
+ ;;
+ :)
+ break
+ ;;
+ esac
+done
+shift $((OPTIND-1))
-if [[ ! -d $CHARDIR ]]
+# Check if Xclip is installed
+if [[ -x xclip ]]
then
- mkdir $CHARDIR/
-elif [[ ! "$(ls -A $CHARDIR)" ]]
+ echo "Please install xclip."
+ exit 1
+fi
+
+# Merge global and local charfiles
+if [[ -d $CHARDIR ]]
then
- cp -rf /usr/share/charsel/- $CHARDIR/
- cp -rf $HOME/.local/share/charsel/- $CHARDIR/
+ rm -rf $CHARDIR/*
+else
+ mkdir $CHARDIR
fi
-# Check for user inputs
-if [[ $1 == "list" \
- || $1 == "-l" \
- || $1 == "--list" ]]
+LOCALCHARDIR=$HOME/.local/share/charsel/charfiles
+if [[ ! -d $LOCALCHARDIR ]]
then
- echo "The following charfiles are installed"
- ls $CHARDIR/charfiles
- exit 0
-elif [[ $1 == "help" \
- || $1 == "-h" \
- || $1 == "--help" \
- || $# -ne 1 ]]
+ mkdir -p $LOCALCHARDIR
+fi
+
+localdirfiles=($LOCALCHARDIR/*)
+if [[ ! -z "${#localdirfiles[*]}" ]]
then
- cat /usr/share/doc/charsel/README.md
- exit 0
+ cp -rf $LOCALCHARDIR/../* $CHARDIR
fi
-# Define charfile path
-CHARFILE=$CHARDIR/charfiles/$1
+globaldirfiles=($/usr/share/charfiles/)
+if [[ ! -z "${#globaldirfiles[*]}" ]]
+then
+ cp -rf /usr/share/charsel/* $CHARDIR
+fi
-# Check if given charfile exists
+# Check if charfile exists
+CHARFILE="$CHARDIR/charfiles/$1"
if [[ ! -f $CHARFILE ]]
then
- echo "Please enter a valid charfile."
- charsel list
- exit 1
+ invalid_charfile
fi
# Define length of shortcode
clear
# Main program
-while :
+while true
do
# Format output
echo "*---------*---------------*"
- echo "| CHARSEL | " $1
+ echo "| CHARSEL |" $1
echo "*---------*---------------*"
echo ""
- cat $CHARFILE \
- | sed -e '/^[ \t]*#/d' \
- | grep -A 100 - \
- | tail -n +2 \
- | column -t -N input,output --output-separator ' | ' --separator ','
+ if [[ $2 == "--all" ]]
+ then
+ cat $CHARFILE | sed -e '/^[ \t]*#/d' | tail -n +2 \
+ | column -t -N input,output --output-separator ' | ' --separator ','
+ else
+ cat $CHARFILE | sed -e '/^[ \t]*#/d' | grep -A 100 - | tail -n +2 \
+ | column -t -N input,output --output-separator ' | ' --separator ','
+ fi
echo ""
echo "*-------------------------*"
echo "| previous shorcode:" $INPUT
echo "| previous output: " $OUTPUT
echo "*-------------------------*"
-
+
# User input
read -p "| input shortcode: " -N $LENGTH INPUT
# This can definately be simplifed, but it works fine
# Finds line number of shortcode
- LINENUMBER=$(cut -f 1 -d ',' -s $CHARFILE \
- | grep -wn $INPUT \
- | cut -d : -f 1)
-
- # Outputs charachter selected above
- OUTPUT=$(cut -f 2 -d ',' -s $CHARFILE \
- | head -$LINENUMBER \
- | tail +$LINENUMBER)
-
+ LINENUMBER=$(cut -f 1 -d ',' -s $CHARFILE | grep -wn $INPUT | cut -d : -f 1)
+
+ # Outputs character selected above
+ OUTPUT=$(cut -f 2 -d ',' -s $CHARFILE | head -$LINENUMBER | tail +$LINENUMBER)
+
# Check to see if the shortcode actually exists
- if [[ $(cut -f 1 -d ',' -s $CHARFILE \
- | grep -wnc $INPUT) == "0" ]]
+ if [[ $(cut -f 1 -d ',' -s $CHARFILE | grep -wnc $INPUT) == "0" ]]
then
- OUTPUT=""
+ OUTPUT=""
fi
# Copy output to clipboard
echo $OUTPUT | xclip -selection clipboard
clear
-
done