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#!/bin/sh
help() { echo "clearx - execute command in clear screen
USAGE:
clearx [OPTION]... <command>
OPTIONS:
-n no prompt when exiting
-h show this help message"; }
err() { printf 'clearx: %s\n' "$@" >&2; exit 1; }
while getopts 'nh' o; do case "$o" in
n) nflag=0 ;;
h) help >&2; exit ;;
*) err "invalid option -- '$OPTARG'" ;;
esac done
shift $((OPTIND - 1))
[ "$#" -lt 1 ] && help >&2 && exit 1
cmds="$*"
[ "$nflag" = 0 ] ||
cmds="$cmds; printf '\n%s' 'Press <Enter> to continue: '; read -r arg"
tmuxcmds="tmux set status off; $cmds; tmux set status on;"
set_screen() {
[ -z "$TMUX" ] &&
err '$TMUX not set, only tmux is supported for screen program'
tmux new-window -n clearx "$tmuxcmds"
}
new_screen() { tmux new-session -s clearx "$tmuxcmds"; }
terminal_emulator() {
[ -z "$DISPLAY" ] && return 1
#err 'clearx: terminal_emulator: $DISPLAY not set'
case "$TERMINAL" in
'') echo 'clearx: $TERMINAL not set' && exit 1 ;;
alacritty) export TERMINAL="alacritty" ;;
esac
wmctrl -r :ACTIVE: -b remove,fullscreen
$TERMINAL -e sh -c "sleep 0.2; $cmds" &
sleep 0.2 && wmctrl -r :ACTIVE: -b add,fullscreen
}
case "$TERM" in
'') err '$TERM not set' ;;
*screen*) set_screen ;;
*linux*) setfont ter-132n && new_screen ;;
*256*) terminal_emulator || new_screen ;;
*) err "no action for \$TERM: $TERM"
esac
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