URL:
<https://savannah.gnu.org/bugs/?63870>
Summary: Monochrome mode
Group: GNU Screen
Submitter: None
Submitted: Sun 05 Mar 2023 02:10:50 AM UTC
Category: Feature Request
Severity: 3 - Normal
Priority: 5 - Normal
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Release: 4.9.0
Discussion Lock: Any
Fixed Release: None
Planned Release: None
Work Required: None
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Follow-up Comments:
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Date: Sun 05 Mar 2023 02:10:50 AM UTC By: Anonymous
Can we get a command or switch I can pass to "screen" on the command line to
force the TERMCAP/terminfo to always be monochrome?
Why am I asking this? Well, I want to put a status display up on a HP 100LX
(which is connecting to a Raspberry Pi Zero with an Ethernet adapter via
serial port cable). It only does 2-bit greyscale (black, white, and 2 greys)
because it's an LCD screen.
If I do the following:
1. set TERM to "pcansi-m"
2. run "screen -S test" on the Pi Zero
3. connect to the Pi Zero from the HP 100LX (serial connection)
4. set TERM to "pcansi25m" (terminal does 25 lines )
5. run "screen -x test" on the serial connection
6. run "set | grep TERMCAP"
...and the "AX" capability is set. It should be cleared (not showing). Color
is wasted on the HP 100LX and screen (if told "force monochrome") shouldn't
turn it on.
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