added ';' as an exit

[charsel.git] / charsel

diff --git a/charsel b/charsel
index 56e1fdf244dfd622206370bb0b014baccb10fe8c..c274ef84a53beee3aedad859a1093c6ad23c19ee 100755 (executable)
--- a/charsel
+++ b/charsel
@@ -30,8 +30,10 @@ A simple terminal character selector
 
 Exit status:
   0    okay,
-  1    invalid charfile
-  2    usage error/invalid option"
+  1    charfile does not exist,
+  2    charfile syntax error,
+  3    usage error/invalid option,
+  4    other error"
 }
 
 CHARDIR=$HOME/.cache/charsel
@@ -50,39 +52,11 @@ function invalid_charfile() {
   exit 1
 }
 
-# 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))
-
 # Check if Xclip is installed
 if [[ -x xclip ]]
 then
   echo "Please install xclip."
-  exit 1
+  exit 4
 fi
 
 # Merge global and local charfiles
@@ -111,6 +85,34 @@ then
   cp -rf /usr/share/charsel/* $CHARDIR
 fi
 
+# 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 3
+      ;;
+    :)
+      break
+      ;;
+  esac
+done
+shift $((OPTIND-1))
+
 # Check if charfile exists
 CHARFILE="$CHARDIR/charfiles/$1"
 if [[ ! -f $CHARFILE ]]
@@ -118,6 +120,15 @@ then
   invalid_charfile
 fi
 
+# VERY basic syntax validation
+if [[ $(grep , $CHARFILE && grep - $CHARFILE) ]]
+then
+  echo "valid charfile"
+else
+  echo "invalid charfile"
+  exit 2
+fi
+
 # Define length of shortcode
 LENGTH=$(cat $CHARFILE \
   | cut -f 1 -d ',' -s \
@@ -166,6 +177,12 @@ do
     OUTPUT=""
   fi
 
+  if [[ $INPUT == ";"* ]]
+  then
+    clear
+    exit 0
+  fi
+
   # Copy output to clipboard
   echo $OUTPUT | xclip -selection clipboard