check for xclip

diff --git a/charsel b/charsel
index 1b7da87ffe83c5cadf88bcefc98f0a7c629a9229..5ee8b80da8e0cf683a20cf04c60077c33068aa87 100755 (executable)
--- a/charsel
+++ b/charsel
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+#######################################################################
+
 # (C) Copyright Armaan Bhojwani, 2020
 
 # This program is free software: you can redistribute it and/or modify
@@ -15,9 +17,10 @@
 # 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=~/.cache/charsel
+# Merge both global and local charfiles
+CHARDIR=$HOME/.cache/charsel
 
 if [[ ! -d $CHARDIR ]]
 then
@@ -28,12 +31,19 @@ then
   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"
+  echo "The following charfiles are installed:"
   ls $CHARDIR/charfiles
   exit 0
 elif [[ $1 == "help" \
@@ -65,11 +75,11 @@ LENGTH=$(cat $CHARFILE \
 clear
 
 # Main program
-while :
+while true
 do
   # Format output
   echo "*---------*---------------*"
-  echo "| CHARSEL | " $1
+  echo "| CHARSEL |" $1
   echo "*---------*---------------*"
   echo ""
 
@@ -84,7 +94,7 @@ do
   echo "| previous shorcode:" $INPUT
   echo "| previous output:  " $OUTPUT
   echo "*-------------------------*"
-  
+
   # User input
   read -p "| input shortcode:   " -N $LENGTH INPUT
 
@@ -93,21 +103,22 @@ do
   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="" 
+    OUTPUT=""
   fi
 
   # Copy output to clipboard
-  echo $OUTPUT | xclip -selection clipboard
+  echo $OUTPUT \
+    | xclip -selection clipboard
 
   clear