Re: Read user input from terminal when a pipe is used

[Alexander Schulz <aiqpost@...>]

Thanks.

Am 06.12.2013 um 20:45 schrieb Scott Fial <scott@fial.com>:

> Hi Alexander,
> 
> On 12/6/2013 6:09 AM, Alexander Schulz wrote:
>> Hey,
>> 
>> i want to create a script with lua that reads from a pipe and allows to read input from the user terminal.
>> 
>> Example: history -n | tail -n 10 | my_script
>> 
>> In this case is io.stdin a file descriptor to the pipe.
>> How can i get now in lua a file descriptor on the current terminal?
> 
> The following should work under Linux, OS X, and Cygwin:
> 
> -- open terminal explicitly
> local tty = io.open('/dev/tty', 'r')
> 
> -- read a line from stdin (the pipe)
> local stdin_line = io.read()
> 
> -- read a line directly from terminal
> local tty_line = tty:read()
> 
> -- close terminal when done
> tty:close()
> 
> Scott
>