#!/usr/bin/env bash
-
-#######################################################################
-
-# (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=2.0.5
+# Charsel - terminal character selector
+# Copyright Armaan Bhojwani 2020, MIT License
# Define argument functions
function usage() {
echo "Usage: /usr/bin/charsel [OPTION]... [CHARFILE]...
+
A simple terminal character selector
+ -a include hidden shortcodes
+ -b disable color support
+ -c check charfile validity
+ -d show readme
-h show this message
- -l show installed charfiles
-L show installed charfiles without the message
- -d show readme
- -v print version
- -c check charfile validity
- -a include hidden shortcodes
+ -l show installed charfiles
+ -n dont copy character to clipboard, avoids Xclip dependency
Exit status:
0 okay,
CHARDIR=$HOME/.cache/charsel
function list() {
- ls $CHARDIR/charfiles
+ ls "$CHARDIR"/charfiles
}
function readme() {
}
# Merge global and local charfiles
-if [[ -d $CHARDIR ]]
-then
- rm -rf $CHARDIR/*
+if [[ -d $CHARDIR ]]; then
+ rm -rf "${CHARDIR:?}"/*
else
- mkdir $CHARDIR
+ mkdir "$CHARDIR"
fi
LOCALCHARDIR=$HOME/.local/share/charsel/charfiles
-if [[ ! -d $LOCALCHARDIR ]]
-then
- mkdir -p $LOCALCHARDIR
-fi
+[[ -d $LOCALCHARDIR ]] || mkdir -p "$LOCALCHARDIR"
-localdirfiles=($LOCALCHARDIR/*)
-if [[ ! -z "${#localdirfiles[*]}" ]]
-then
- cp -rf $LOCALCHARDIR/../* $CHARDIR
-fi
+localdirfiles="$LOCALCHARDIR"/*
+[[ -n "${#localdirfiles[*]}" ]] && cp -rf "$LOCALCHARDIR"/../* "$CHARDIR"
globaldirfiles=($/usr/share/charfiles/)
-if [[ ! -z "${#globaldirfiles[*]}" ]]
-then
- cp -rf /usr/share/charsel/* $CHARDIR
-fi
+[[ -n "${#globaldirfiles[*]}" ]] && cp -rf /usr/share/charsel/* "$CHARDIR"
# Check if charfile exists
CHARFILE="$CHARDIR/charfiles/$2"
function existence() {
- if [[ ! -f $CHARFILE ]]
- then
+ if [[ ! -f $CHARFILE ]]; then
missing_charfile
fi
}
# VERY basic syntax check
function validity() {
- if [[ $(grep , $CHARFILE && grep - $CHARFILE) ]]
- then
+ if [[ $(grep , "$CHARFILE" && grep - "$CHARFILE") ]]; then
echo "valid charfile"
else
existence
}
# Look for arguments
-if [ $# -eq 0 ]; then
- usage
- exit 3
-fi
-while getopts ":aLlchdv" arg
+while getopts ":abcdhlLnvV" arg
do
case ${arg} in
+ a)
+ SHOWALL="true"
+ ;;
+ b)
+ COLOR="bw"
+ ;;
+ c)
+ validity
+ exit 0
+ ;;
+ d)
+ readme
+ exit 0
+ ;;
h)
usage
exit 0
list
exit 0
;;
- d)
- readme
- exit 0
- ;;
- v)
- echo "charsel" $VERSION
- exit 0
- ;;
- c)
- validity
- exit 0
- ;;
- a)
- SHOWALL="true"
+ n)
+ COPY="no"
;;
?)
echo "Invalid option"
done
shift $((OPTIND-1))
+if [ $# -eq 0 ]; then
+ echo "Please enter a valid charfile, or use charsel -h for help."
+ charsel -l
+ exit 3
+fi
+
# Redefine charfile and check file validity
CHARFILE="$CHARDIR/charfiles/$1"
existence
validity
# Dependency check
-if [[ -x xclip ]]
-then
- echo "Please install xclip."
- exit 4
+if [[ $COPY == "no" ]]; then
+ if [[ ! -x /usr/bin/xclip ]]; then
+ echo "Please install xclip."
+ exit 4
+ fi
fi
# Define length of shortcode
-LENGTH=$(cat $CHARFILE \
- | cut -f 1 -d ',' -s \
+LENGTH=$(cut "$CHARFILE" -f 1 -d ',' -s \
| wc -L \
| cut -b 1)
bold=$(tput bold)
normal=$(tput sgr0)
+highlight=$(tput setaf 5)
+[[ $COLOR == bw ]] && highlight=$(tput setaf 7)
+
+white=$(tput setaf 7)
+
# Main program
while true
do
# Format output
echo "*---------*---------------*"
- echo "| ${bold}CHARSEL${normal} |" $1
+ echo "| ${bold}${highlight}CHARSEL${white}${normal} |" "$1"
echo "*---------*---------------*"
echo ""
- if [[ $SHOWALL == true ]]
- then
- cat $CHARFILE | sed -e '/^[ \t]*#/d' | tail -n +2 \
+ if [[ $SHOWALL == true ]]; then
+ sed "$CHARFILE" -e '/^[ \t]*#/d' | tail -n +2 \
| column -t -N "input","output" --output-separator ' | ' --separator ','
else
- cat $CHARFILE | sed -e '/^[ \t]*#/d' | grep -A 100 - | tail -n +2 \
+ sed "$CHARFILE" -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: " $OUTPUT
+ echo "| previous shorcode:" "$(echo $INPUT)"
+ echo "| previous output: " "$OUTPUT"
echo "*-------------------------*"
# User input
- read -p "| ${bold}input shortcode: ${normal} " -N $LENGTH INPUT
+ read -r -p "| ${bold}input shortcode: ${normal} " -N "$LENGTH" INPUT
- if [[ $INPUT == ";"* ]] # Semicolon exts
- then
+ if [[ $INPUT == ";"* ]]; then # Semicolon exts
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 $INPUT | cut -d : -f 1)
+ LINENUMBER=$(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 +$LINENUMBER)
+ OUTPUT=$(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" ]]
- then
+ if [[ $(cut -f 1 -d ',' -s "$CHARFILE" | grep -wnc "$INPUT") == "0" ]]; then
OUTPUT=""
fi
# Copy output to clipboard
- echo $OUTPUT | xclip -selection clipboard
+ if [[ ! $COPY == "no" ]]; then
+ echo -n "$OUTPUT" | xclip -selection clipboard
+ fi
clear
fi
projects / charsel.git / blobdiff