Re: writing a script to simulate keyboard input

[Mateus Interciso <p.zarnick@gmail.com>]

On Thu, 19 Jul 2007 11:48:58 -0400, Karthik Vishwanath wrote:

> Hello,
> 
> I have to use an archaic, menu-driven C program that requires keyboard
> input to process commands (all of these commands are terminated by a
> newline)
> 
> I was wondering if there was any way I could use the program within a
> script so that I could have the script "feed" in the sequence of
> keystrokes/string-inputs that I must otherwise type in manually?
> 
> As ever, all help/advice is appreciated.
> 
> 
> Thanks,
> 
> -K
> 
> -
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As far as I know, this greatly depends on the C program you are trying to 
use.
But one thing that doesn't hurt trying, is to pipe it with an echo 
command, for instance
echo "command string" | ./program
A pratical example would be to actually count how many leters you have in 
abcdef, for this, execute this
echo "abcdef" | wc -c
The | will execute the command that's after the | with the output (I 
think) of what's on the left of the |

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