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Help needed in writing a menu driven script

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# 1  
Old 05-16-2011
Help needed in writing a menu driven script
Hi, I was wondering if someone could help me write a shell script in Linux that backsup/restores data to anywhere I choose but it needs to be menu driven?

Thanks, I'm new to Linux/Unix but liking it so far...just hoping to get to grips with the scripts! Smilie
# 2  
Old 05-16-2011
For menus i recommend case with while true
Use trap, log shell function and break for complete control of user input (readers curiositySmilie)
Code:
while true
do
clear
## display part
printf "This is a menu
	a) run command a
	b) run command b
	\n"
read ANSWER
	case $ANSWER in
## Execution part 
	a) tar cf home.tar /home/user ## or whatever you wish to execute.
	;;
	b) tar xf home.tar /home/user
	;;
	*) printf "fail \n" ; sleep 1
;;
esac
done

# 3  
Old 05-16-2011
For automating backup, it might be usefull (but ok it is not a menu-driven stuff) : the shell built-in function : getopts

Otherwise, (for menu-driven oriented stuff, you may want to know about select but that one is specific to the Korn Shell)
Last edited by ctsgnb; 05-16-2011 at 02:56 PM..
# 4  
Old 05-17-2011
Thank you! Smilie

IS there also a way to check that only valid choices are made? Sorry if I'm being a pain! Brand new to me all this! Also, is there a way to include the date of the backup in the name?
# 5  
Old 05-17-2011
Code:
[...]
case $ANSWER in
"choice1")
    <whatever command>
    <whatever command>
    ...
;;
"choice2") 
    <whatever command>
    <whatever command>
    <whatever command>
    ...
;;
*) 
    echo  "Bad choice, the only possible choices are choice1 or choice2"
    exit 1
;;
esac
[...]

# 6  
Old 05-17-2011
Quote:
Originally Posted by ctsgnb
Code:
[...]
case $ANSWER in
"choice1")
    <whatever command>
    <whatever command>
    ...
;;
"choice2") 
    <whatever command>
    <whatever command>
    <whatever command>
    ...
;;
*) 
    echo  "Bad choice, the only possible choices are choice1 or choice2"
    exit 1
;;
esac
[...]

Thank you. Smilie

What about the date thing? Is that possible? I know I'm being a pain! Can I use the excuse that I'm a girl? Smilie
# 7  
Old 05-18-2011
Quote:
Originally Posted by Nicole
Thank you. Smilie
What about the date thing? Is that possible?
Could you please give more clue ?
also refer to this thread : https://www.unix.com/answers-frequent...rithmetic.html

Quote:
Originally Posted by Nicole
Can I use the excuse that I'm a girl? Smilie
Maybe you have been told by some people that girl are supposed to be inferior to men : sorry but i totally disagree with that, i would even say that they are stronger and more wise as well because they know the price of the life. I am sure this world would not go as bad as it currently does, if it were governed by girls.
So ...to answer your question : Sorry , i don't take it as an excuse. Smilie
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