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Full Discussion: Problem reading terminal response string from Zsh
Top Forums Shell Programming and Scripting Problem reading terminal response string from Zsh Post 303010602 by apmcd47 on Thursday 4th of January 2018 04:46:18 AM
Old 01-04-2018
From a 1980's script, written by somebody else for Suns:
Code:
stty raw >/dev/tty
echo -n "$report" >/dev/tty
ch=`dd </dev/tty count=1 2>/dev/null`
stty cooked >/dev/tty

Where $report is your input string.

The above still works today in a ROXTERM and xfce4-terminal on Linux, and should work on other terminal emulators.

Also note the /dev/tty will use the current terminal without having to find it with tty

Andrew
This User Gave Thanks to apmcd47 For This Post:
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LEARN ABOUT OPENDARWIN

ttys

TTYS(4)                                                      Linux Programmer's Manual                                                     TTYS(4)

NAME

       ttyS - serial terminal lines

DESCRIPTION

       ttyS[0-3] are character devices for the serial terminal lines.

       They are typically created by:

           mknod -m 660 /dev/ttyS0 c 4 64 # base address 0x3f8
           mknod -m 660 /dev/ttyS1 c 4 65 # base address 0x2f8
           mknod -m 660 /dev/ttyS2 c 4 66 # base address 0x3e8
           mknod -m 660 /dev/ttyS3 c 4 67 # base address 0x2e8
           chown root:tty /dev/ttyS[0-3]

FILES

       /dev/ttyS[0-3]

SEE ALSO

       chown(1), mknod(1), tty(4), agetty(8), mingetty(8), setserial(8)

COLOPHON

       This  page is part of release 4.15 of the Linux man-pages project.  A description of the project, information about reporting bugs, and the
       latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.

Linux                                                               1992-12-19                                                             TTYS(4)
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