typofix

README.md

 Comma separated task list in the form "1,2,12 4,5,9 2,3,6", where whitespace separates tasks.
 
 Usage:
-	pert [optimistic,realistic,pessimistic]
+	pert.sh [optimistic,realistic,pessimistic]
 
 Example:
-	pert 1,3,4
-	pert 10,15,20 5,7,10
-	pert "1,2,3" "15,17,20"
+	pert.sh 1,3,4
+	pert.sh 10,15,20 5,7,10
+	pert.sh "1,2,3" "15,17,20"
 </pre>
 
 ### Example

pert

+#!/bin/bash
+
+. pert.sh

pert.sh

 if [ -z "$1" ] || [[ "$1" =~ [-]*(help|h) ]]; then
     echo -e "\nA command line PERT calculator for quick estimates."
     echo -e "\nComma separated task list in the form \"1,2,12 4,5,9 2,3,6\", where whitespace separates tasks."
-    echo -e "\nUsage:\n\tpert [optimistic,realistic,pessimistic]\n"
+    echo -e "\nUsage:\n\tpert.sh [optimistic,realistic,pessimistic]\n"
     echo -e "Example:"
-    echo -e "\tpert 1,3,4"
-    echo -e "\tpert 10,15,20 5,7,10"
-    echo -e "\tpert \"1,2,3\" \"15,17,20\"\n"
+    echo -e "\tpert.sh 1,3,4"
+    echo -e "\tpert.sh 10,15,20 5,7,10"
+    echo -e "\tpert.sh \"1,2,3\" \"15,17,20\"\n"
     exit 1
 fi