Difference between revisions of "Trillex bash 1"
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== Bash Commands == | == Bash Commands == | ||
== Bash Scripts == | == Bash Scripts == | ||
| − | === Program for greeting users | + | === Program for greeting users (Advanced - can be made better) === |
#!/bin/bash | #!/bin/bash | ||
| Line 20: | Line 20: | ||
then | then | ||
echo -e "You are early." | echo -e "You are early." | ||
| − | else if test | + | else if test $HOUR -lt 11 -a $MINUTE -lt 59 |
then | then | ||
echo -e "Good Morning." | echo -e "Good Morning." | ||
| − | else if test | + | else if test $HOUR -lt 11 -a $MINUTE -lt 59 |
then | then | ||
echo -e "Good afternoon." | echo -e "Good afternoon." | ||
| Line 57: | Line 57: | ||
then echo -e "Please go home." | then echo -e "Please go home." | ||
fi | fi | ||
| + | |||
| + | === Case Script === | ||
| + | |||
| + | #!/bin/bash | ||
| + | # Read the username from the terminal | ||
| + | clear | ||
| + | echo -en "Enter username: " | ||
| + | read USERNAME | ||
| + | # Read the password from the terminal not echoing the characters | ||
| + | echo -en "Enter password: " | ||
| + | stty -echo | ||
| + | read PASSWORD | ||
| + | stty echo | ||
| + | clear | ||
| + | # Find the username in the case and check password | ||
| + | case $USERNAME in | ||
| + | john|John) if test $PASSWORD = "banana" | ||
| + | then | ||
| + | echo "Access Granted" | ||
| + | else | ||
| + | echo "Access Denied...." | ||
| + | exit | ||
| + | fi | ||
| + | ;; | ||
| + | eve|Eve) if test $PASSWORD = "apple" | ||
| + | then | ||
| + | echo "Access Granted" | ||
| + | else | ||
| + | echo "Access Denied...." | ||
| + | exit | ||
| + | fi | ||
| + | ;; | ||
| + | *) echo "Access Denied...." | ||
| + | exit | ||
| + | ;; | ||
| + | esac | ||
| + | echo "The secret information is 123123123" | ||
Latest revision as of 11:21, 12 February 2009
Contents
Bash Scripts and Commands
Bash Commands
Bash Scripts
Program for greeting users (Advanced - can be made better)
#!/bin/bash
clear
echo -e "Welcome to my new bash-script"
echo -e "============================="
echo -e "\n\n" # \n is the new-line command. So there will be two empty lines here
echo -e "Rune Nordblom\nPRC-Data, Viborg\nDenmark"
echo -e "The time is `date +%H:%M`."
HOUR=`date +%H`
MINUTE=`date +%M`
if test $HOUR -le 7
then
echo -e "Please go to sleep."
else if test $HOUR -le 8
then
echo -e "You are early."
else if test $HOUR -lt 11 -a $MINUTE -lt 59
then
echo -e "Good Morning."
else if test $HOUR -lt 11 -a $MINUTE -lt 59
then
echo -e "Good afternoon."
else if test $HOUR -gt 16
then
echo -e "Please go home."
fi
fi
fi
fi
fi
Same As Above But Less Advanced and Working
#!/bin/bash clear echo -e "Welcome to my new bash-script" echo -e "=============================" echo -e "\n\n" # \n is the new-line command. So there will be two empty lines here echo -e "Rune Nordblom\nPRC-Data, Viborg\nDenmark" echo -e "The time is `date +%H:%M`." HOUR=`date +%H` MINUTE=`date +%M` if test $HOUR -lt 7 then echo -e "Please go to sleep." elif test $HOUR -lt 8 then echo -e "You are early." elif test $HOUR -lt 11 then echo -e "Good Morning." elif test $HOUR -lt 15 then echo -e "Good afternoon." elif test $HOUR -gt 16 then echo -e "Please go home." fi
Case Script
#!/bin/bash
# Read the username from the terminal
clear
echo -en "Enter username: "
read USERNAME
# Read the password from the terminal not echoing the characters
echo -en "Enter password: "
stty -echo
read PASSWORD
stty echo
clear
# Find the username in the case and check password
case $USERNAME in
john|John) if test $PASSWORD = "banana"
then
echo "Access Granted"
else
echo "Access Denied...."
exit
fi
;;
eve|Eve) if test $PASSWORD = "apple"
then
echo "Access Granted"
else
echo "Access Denied...."
exit
fi
;;
*) echo "Access Denied...."
exit
;;
esac
echo "The secret information is 123123123"