check for xclip

[charsel.git] / charsel

diff --git a/charsel b/charsel
index dc2564f54921231b4803486ff72d168389fc5650..5ee8b80da8e0cf683a20cf04c60077c33068aa87 100755 (executable)
--- a/charsel
+++ b/charsel
@@ -1,29 +1,125 @@
-#!/usr/bin/env sh
+#!/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/>.
+
+########################################################################
 
 # Merge both global and local charfiles
-CHARDIR=/tmp/charsel
-cp /usr/share/charsel/* $CHARDIR
-cp ~/.local/share/charsel/* $CHARDIR
+CHARDIR=$HOME/.cache/charsel
+
+if [[ ! -d $CHARDIR ]]
+then
+  mkdir $CHARDIR/
+elif [[ ! "$(ls -A $CHARDIR)" ]]
+then
+  cp -rf /usr/share/charsel/- $CHARDIR/
+  cp -rf $HOME/.local/share/charsel/- $CHARDIR/
+fi
+
+# Check for xclip
+if [[ ! -f "$(which xclip)" ]]
+then
+  echo "Please install xclip."
+  exit 1
+fi
+
+# Check for user inputs
+if [[ $1 == "list" \
+  || $1 == "-l" \
+  || $1 == "--list" ]]
+then
+  echo "The following charfiles are installed:"
+  ls $CHARDIR/charfiles
+  exit 0
+elif [[ $1 == "help" \
+  || $1 == "-h" \
+  || $1 == "--help" \
+  || $# -ne 1 ]]
+then
+  cat /usr/share/doc/charsel/README.md
+  exit 0
+fi
+
+# Define charfile path
+CHARFILE=$CHARDIR/charfiles/$1
+
+# Check if given charfile exists
+if [[ ! -f $CHARFILE ]]
+then
+  echo "Please enter a valid charfile."
+  charsel list
+  exit 1
+fi
 
-# Check if user provided a charfile
-[ -z "$1" ] && echo "No argument supplied"  && exit 1
+# Define length of shortcode
+LENGTH=$(cat $CHARFILE \
+  | cut -f 1 -d ',' -s \
+  | wc -L \
+  | cut -b 1)
 
-# Clear screen
 clear
 
-while :
+# Main program
+while true
 do
-  
-  # Put charfile into table
-  column -t $CHARDIR/$1 -N SHORT,CHAR -R SHORT,CHAR --output-separator ' | '
-  read -n 1 INPUT
-  
-  # Navigate to the right characther
-  OUTPUT=$(grep $INPUT $CHARDIR/$1 | cut -c 3)
-
-  # Clear screen
-  clear
+  # Format output
+  echo "*---------*---------------*"
+  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 ','
+
+  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)
+
+  # Check to see if the shortcode actually exists
+  if [[ $(cut -f 1 -d ',' -s $CHARFILE \
+    | grep -wnc $INPUT) == "0" ]]
+  then
+    OUTPUT=""
+  fi
 
   # Copy output to clipboard
-  echo $OUTPUT | xclip -selection clipboard
+  echo $OUTPUT \
+    | xclip -selection clipboard
+
+  clear
+
 done