Fix bash scripts

chapter1/shifting.sh

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+#
+# SCRIPT: shifting.sh
+# AUTHOR: Fabio Scotto di Santolo
+# DATE:   28/07/2020
+# REV:    1.1.A 
+#
+# PLATFORM: Not platform dependent
+#
+# PURPOSE: This script is used to process all of the tokens which
+# are pointed to by the command-line arguments $1, $2, $3, etc...
+#
+# REV LIST:
+#
+##########################################################
+#         DEFINE FILES AND VARIABLES HERE
+##########################################################
+
+total=0 # initialize the total counter to zero 
+
+##########################################################
+#               BEGINNING OF MAIN
+##########################################################
+
+# Start a while loop
+
+for token in $*
+do
+    total=`expr $total + 1`  # A little math in the
+                             # shell script, a running
+                             # total of tokens processed.
+    
+    shift                    # Grab the next token, i.e. $2 become $1
+
+done
+
+echo "Total number of token processed: $total"
+# End of script