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Top Forums Shell Programming and Scripting Help with Bash piped while-read and a read user input at the same time Post 302601429 by MyMorris on Thursday 23rd of February 2012 04:09:11 PM
Old 02-23-2012
Thanks, will this lock the while loop and wait for user input? I want the script to react and run the wile loop if something happens in the server.log file as well.

Quote:
Originally Posted by Corona688
Read user input from /dev/tty, to avoid accidentally reading input from the pipe or file instead. /dev/tty will always be the current terminal, if any.

Code:
... | while read LINE
do
        printf "prompt: "
        read USERINPUT </dev/tty
done

 

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line(1)                                                            User Commands                                                           line(1)

NAME
line - read one line SYNOPSIS
line DESCRIPTION
The line utility copies one line (up to and including a new-line) from the standard input and writes it on the standard output. It returns an exit status of 1 on EOF and always prints at least a new-line. It is often used within shell files to read from the user's terminal. EXIT STATUS
Exit status is: 0 Successful completion >0 End-of-file on input. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
sh(1), read(2), attributes(5) SunOS 5.10 1 Feb 1995 line(1)
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