#!/usr/bin/env bash
-# Merge both global and local charfiles
-CHARDIR=~/.cache/charsel
+#######################################################################
+
+# (C) Copyright Armaan Bhojwani, 2020
+
+# 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, see <https://www.gnu.org/licenses/>.
+
+########################################################################
+
+VERSION=2.0.1
+
+# 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
+ -v print version
+ -c check charfile validity
+ --all include hidden shortcodes
+
+Exit status:
+ 0 okay,
+ 1 charfile does not exist,
+ 2 charfile syntax error,
+ 3 usage error/invalid option,
+ 4 other error"
+}
+
+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 missing_charfile() {
+ echo "The selected charfile is missing or invalid"
+ list
+ exit 1
+}
-if [[ ! -d $CHARDIR ]]
+# Merge global and local charfiles
+if [[ -d $CHARDIR ]]
then
- mkdir $CHARDIR/
-elif [[ ! "$(ls -A $CHARDIR)" ]]
+ rm -rf $CHARDIR/*
+else
+ mkdir $CHARDIR
+fi
+
+LOCALCHARDIR=$HOME/.local/share/charsel/charfiles
+if [[ ! -d $LOCALCHARDIR ]]
then
- cp -rf /usr/share/charsel/- $CHARDIR/
- cp -rf $HOME/.local/share/charsel/- $CHARDIR/
+ mkdir -p $LOCALCHARDIR
fi
-# Check for user inputs
-if [[ $1 == "list" \
- || $1 == "-l" \
- || $1 == "--list" ]]
+localdirfiles=($LOCALCHARDIR/*)
+if [[ ! -z "${#localdirfiles[*]}" ]]
then
- echo "The following charfiles are installed"
- ls $CHARDIR/charfiles
- exit 0
-elif [[ $1 == "help" \
- || $1 == "-h" \
- || $1 == "--help" \
- || $# -ne 1 ]]
+ cp -rf $LOCALCHARDIR/../* $CHARDIR
+fi
+
+globaldirfiles=($/usr/share/charfiles/)
+if [[ ! -z "${#globaldirfiles[*]}" ]]
then
- cat /usr/share/doc/charsel/README.md
- exit 0
+ cp -rf /usr/share/charsel/* $CHARDIR
fi
-# Define charfile path
-CHARFILE=$CHARDIR/charfiles/$1
+# Check if charfile exists
+CHARFILE="$CHARDIR/charfiles/$2"
+function existence() {
+ if [[ ! -f $CHARFILE ]]
+ then
+ missing_charfile
+ fi
+}
+
+# VERY basic syntax check
+function validity() {
+ if [[ $(grep , $CHARFILE && grep - $CHARFILE) ]]
+ then
+ echo "valid charfile"
+ else
+ existence
+ echo "invalid charfile"
+ exit 2
+ fi
+}
+
+# Look for arguments
+while getopts ":lchdv" arg
+do
+ case ${arg} in
+ h)
+ usage
+ exit 0
+ ;;
+ l)
+ list
+ exit 0
+ ;;
+ d)
+ readme
+ exit 0
+ ;;
+ v)
+ echo "charsel" $VERSION
+ exit 0
+ ;;
+ c)
+ validity
+ exit 0
+ ;;
+ ?)
+ echo "Invalid option"
+ usage
+ exit 3
+ ;;
+ :)
+ break
+ ;;
+ esac
+done
+shift $((OPTIND-1))
+
+# Redefine charfile and check file validity
+CHARFILE="$CHARDIR/charfiles/$1"
+existence
+validity
-if [[ ! -f $CHARFILE ]]
+# Dependency check
+if [[ -x xclip ]]
then
- echo "Please enter a valid charfile. You can list installed charfiles with \`charsel list\`"
- exit 1
+ echo "Please install xclip."
+ exit 4
fi
-# Define length of shortcut
+# Define length of shortcode
LENGTH=$(cat $CHARFILE \
| cut -f 1 -d ',' -s \
| wc -L \
| cut -b 1)
-# Clear screen
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 $LENGTH INPUT
- # This can definately be simplifed, but it works fine
- LINENUMBER=$(cut -f 1 -d ',' -s $CHARFILE \
- | grep -wn $INPUT \
- | cut -d : -f 1)
-
- OUTPUT=$(cut -f 2 -d ',' -s $CHARFILE \
- | head -$LINENUMBER \
- | tail +$LINENUMBER)
-
- if [[ $(cut -f 1 -d ',' -s $CHARFILE \
- | grep -wnc $INPUT) == "0" ]]
+ if [[ $INPUT == ";"* ]] # Semicolon exits
then
- OUTPUT=""
- fi
+ clear
+ exit 0
+ elif [[ $INPUT == " "* ]] # Spaces dont count
+ then
+ OUTPUT=""
+ clear
+ else
+ # Finds line number of shortcode
+ LINENUMBER=$(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)
- # Copy output to clipboard
- echo $OUTPUT | xclip -selection clipboard
+ # Check to see if the shortcode actually exists
+ if [[ $(cut -f 1 -d ',' -s $CHARFILE | grep -wnc $INPUT) == "0" ]]
+ then
+ OUTPUT=""
+ fi
- # Clear screen
- clear
+ # Copy output to clipboard
+ echo $OUTPUT | xclip -selection clipboard
+ clear
+ fi
done
projects / charsel.git / blobdiff