Wait for a particular duration before automatic option selection











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1
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echo "Select option: Enter 1 or 2. (1. cakes 2. coffee)"  
set selection=$<
...


I want to wait for 40 seconds for user input. If there is no user input within this delay time, I want to automatically set selection as 1. How can I achieve this in tcsh?



Also welcome solutions in bash or csh.










share|improve this question




















  • 1




    at a bash prompt, enter help read and look at the -t option
    – glenn jackman
    Nov 22 at 15:40















up vote
1
down vote

favorite












echo "Select option: Enter 1 or 2. (1. cakes 2. coffee)"  
set selection=$<
...


I want to wait for 40 seconds for user input. If there is no user input within this delay time, I want to automatically set selection as 1. How can I achieve this in tcsh?



Also welcome solutions in bash or csh.










share|improve this question




















  • 1




    at a bash prompt, enter help read and look at the -t option
    – glenn jackman
    Nov 22 at 15:40













up vote
1
down vote

favorite









up vote
1
down vote

favorite











echo "Select option: Enter 1 or 2. (1. cakes 2. coffee)"  
set selection=$<
...


I want to wait for 40 seconds for user input. If there is no user input within this delay time, I want to automatically set selection as 1. How can I achieve this in tcsh?



Also welcome solutions in bash or csh.










share|improve this question















echo "Select option: Enter 1 or 2. (1. cakes 2. coffee)"  
set selection=$<
...


I want to wait for 40 seconds for user input. If there is no user input within this delay time, I want to automatically set selection as 1. How can I achieve this in tcsh?



Also welcome solutions in bash or csh.







shell tcsh






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 22 at 15:37









Romeo Ninov

4,98431627




4,98431627










asked Nov 22 at 15:32









mandrake00

294




294








  • 1




    at a bash prompt, enter help read and look at the -t option
    – glenn jackman
    Nov 22 at 15:40














  • 1




    at a bash prompt, enter help read and look at the -t option
    – glenn jackman
    Nov 22 at 15:40








1




1




at a bash prompt, enter help read and look at the -t option
– glenn jackman
Nov 22 at 15:40




at a bash prompt, enter help read and look at the -t option
– glenn jackman
Nov 22 at 15:40















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