initial commit

chapter4/timing_test_function.bash

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+#!/bin/bash
+
+# SCRIPT: timing_test_function.bash
+# AUTHOR: Randy Michael
+
+######## DEFINE VARIABLES HERE ########
+
+# Ready script for ksh or bash
+ECHO=echo
+[[ $(basename $SHELL) == bash ]] && ECHO="echo -e"
+
+
+elasped_time ()
+{
+SEC=$1
+(( SEC < 60 )) && $ECHO "[Elasped time: $SEC seconds]\c"
+
+(( SEC >= 60  &&  SEC < 3600 )) && $ECHO "[Elasped time: $(( SEC / 60 )) min $(( SEC % 60 )) sec]\c"
+
+(( SEC > 3600 )) && $ECHO "[Elasped time: $(( SEC / 3600 )) hr $(( (SEC % 3600) / 60 )) min $(( (SEC % 3600) % 60 )) sec]\c" 
+}
+
+###### BEGINNING OF MAIN
+
+SECONDS=15
+elasped_time $SECONDS
+$ECHO
+SECONDS=60
+elasped_time $SECONDS
+$ECHO
+SECONDS=3844
+elasped_time $SECONDS
+$ECHO
+sleep 10
+elasped_time $SECONDS
+$ECHO