57 lines
1.8 KiB
Bash
Executable File
57 lines
1.8 KiB
Bash
Executable File
#! /bin/bash
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# vim: set tabstop=4 shiftwidth=4 noexpandtab filetype=sh:
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# term - a2cloud user command to set TERM variable (to be replaced.)
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#
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# To the extent possible under law, T. Joseph Carter and Ivan Drucker have
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# waived all copyright and related or neighboring rights to the a2cloud
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# scripts themselves. Software used or installed by these scripts is subject
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# to other licenses. This work is published from the United States.
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if [[ $1 == "-d" ]]; then
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shift
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setgetty=1
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else
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setgetty=
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fi
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if [[ $1 == "-f" ]]; then
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shift
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force=1
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else
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force=
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fi
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if [[ ! $1 || $1 == "--help" || $1 == "-h" ]]; then
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echo 'Usage: term [-d] mono|color|none|<terminalName>';
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echo ' -d sets default emulation for all serial port shells (takes effect on logout)'
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echo ' omitting -d makes change temporary and immediate'
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echo ' -f forces change even if not running on serial port (e.g. within "screen")'
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echo ' Terminal emulation: mono->VT-100, color->PC-ANSI/ANSI-BBS, none->no emulation'
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else
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if [[ $(tr [:upper:] [:lower:] <<< $1) == "mono" ]]; then
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term="vt100"
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elif [[ $(tr [:upper:] [:lower:] <<< $1) == "color" ]]; then
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term="pcansi"
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elif [[ $(tr [:upper:] [:lower:] <<< $1) == "none" ]]; then
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term="dumb"
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else
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term="$1"
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fi
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if [[ $setgetty ]]; then
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sudo sed -i "s/\(ttyAMA0 .*\) .*$/\1 $term/" /etc/inittab;
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sudo sed -i "s/\(ttyUSB.* .*\) .*$/\1 $term/g" /etc/inittab;
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sudo init q;
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sudo pkill -f "/sbin/getty"
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else
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if [[ $force || $(tty | grep tty) ]]; then
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TERM="$term"
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else
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echo 1>&2 "Not running on serial port. No action taken. Use -f to set anyway."
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fi
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fi
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fi
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echo -e "$(tty) current emulation: $(tput bold)$TERM$(tput sgr0)"
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echo -e "default serial port emulation at login: $(tput bold)$(grep ttyUSB /etc/inittab | sed 's/^.*ttyUSB[^ ]* .* \(.*\)$/\1/')$(tput sgr0)"
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