Step 1: Create a new file named as checkError.sh(vi checkError.sh or nano checkError.sh),then include following lines in your checkError.sh.

#./bin/bash

/* Check Error Script */

echo "Try to find out some errors!!!"

# Seach for the words which can be matched by regex [^a]*ce echo "The regex [^a]*ce can match the string(s):" > Result # And appendmatched strings to file "Result" cat << START| grep '^[^a]*ce$' > Result lance ace brace decide piece -END

# Thenappend the output of command simple.sh to file Result .simple.sh >> Result # Show current system date # And send the content in "Result" to your emailbox # $1 is replaced by your campusID date | mail $1 < Result

# $1 is replaced by your campusID

echo "The result has been sent to ${1}@student.gsu.edu"

echo "Congratulations! You have corrected all the errors!"

Step 2:Save your file and exit editor.

Step 3:Try following command to make simple.sh executable.

$chmod a+x simple.shStep

4:Execute this file by following command.$./checkError.sh campusID

Note: Replace campusID with your own campus ID

-----------------------

Questions: Can you find some errors when executing the commandin step 4? If yes, please point out which lines contain errorsand how to correct them