blob: 776ec5d91f75f8b2eaab73402912b67dc2338b05 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
#!/bin/bash
set -e
set -f
set -o pipefail
shopt -s lastpipe
BOT_SIZE=8
BOT_TITLE=input
BOT_CMD='PS1="$BOT_TITLE\$ " bash --noprofile --norc -i'
TOP_CMD='PS1="$TOP_TITLE\$ " bash --noprofile --norc -i'
TOP_TITLE=output
TWOPANE=$(mktemp -d)
export TWOPANE TOP_CMD BOT_CMD TOP_TITLE BOT_TITLE BOT_SIZE
trap 'rm -r "$TWOPANE"' EXIT
STY=twopane.${TWOPANE##*/}
cat > "$TWOPANE"/screenrc <<'.'
unbindall
escape \0\0
caption string '%t'
layout new
split
focus bottom
resize $BOT_SIZE
screen -ln -t "$BOT_TITLE" 0 bash "$TWOPANE"/bashrc
source "$TWOPANE"/screenrc.startpane
.
cat > "$TWOPANE"/screenrc.startpane <<'.'
focus top
screen -ln -t "$TOP_TITLE" 1 sh -c "$TOP_CMD; screen -X focus top; screen -X remove"
exec :!:| socat -u UNIX-RECV:"$TWOPANE"/socket STDOUT
title 'output'
focus bottom
layout save 0
.
cat > "$TWOPANE"/screenrc.restart <<'.'
layout new
split
focus bottom
resize $BOT_SIZE
select 0
title 'input'
source "$TWOPANE"/screenrc.startpane
.
cat > "$TWOPANE"/bashrc <<'.'
trap "screen -X quit" EXIT
restart()
{
screen -X source "$TWOPANE"/screenrc.restart
}
sendp()
{
socat -u STDIN UNIX-SENDTO:"$TWOPANE"/socket
}
sendc()
{
printf '%s' "$*" | sendp
}
send()
{
sendc "$*"$'\n'
}
export -f send sendc sendp restart
bash -c "$BOT_CMD" || read -p "Error: process terminated with exit code $?
Press enter to quit."
.
screen -c "$TWOPANE"/screenrc -m -S "$STY" -ln
|
