if command -v screen &> /dev/null; then
  rc_file="tmp/screenrc"
  grep -E -v "^(screen|select|source) " $HOME/.screenrc 2> /dev/null > $rc_file
  nl bin/Procfile.dev | \
    sed -r 's/^\s*([0-9]+)\s*([^:]+): (.+)/split\nfocus\nscreen -t \2 \1 \3/' | \
    tail -n +3 >> $rc_file
  exec screen -c $rc_file
fi

screen       # start a new session (default screen is 0)
screen -d -m # start a new detached session (useful in scrips)
screen -r    # reattach to a running session

screen -d|-D [pid.tty.host] # detaches the elsewhere running screen session

# reattaching options (in case of a "stale attached state"):
screen -d -r   # reattach a session and if necessary detach it first
screen -d -R   # reattach a session and if necessary detach or create it
screen -d -RR  # reattach to the first session and if necessary detach or create it

# or reattach trying even harder:
screen -D -r   # reattach a session, if necessary detach and logout remotely first
screen -D -R   # same as "-D -r" but also notify the user
screen -D -RR  # attach here and now. whatever that means, just do it

# user1 starts the session then attach to it
screen -d -m -S shared # start a new detached session called `shared`
screen -x shared # attach in multi display mode

# user2 only attach to it
screen -ls # show current sessions
screen -x shared # attach in multi display mode

# user1 starts the session then attach to it
screen -d -m -S shared # start a new detached session called `shared`
screen -r shared # attach to the named session
# press "Ctrl-a" and type ":multiuser on"
# press "Ctrl-a" and type ":acladd user2"

# user2 only attach to it
screen -x user1/shared

chmod u+s `which screen`
chmod 755 /var/run/screen
rm -fr /var/run/screen/*

# ~/.screenrc - screen user config file

# the following two lines give a two-line status, with the current window highlighted
hardstatus alwayslastline '%{= kG}@%{G}%H%? %1`%?%{g}|%= %{= kw}%-w%{+b yk} %n*%t%?(%u)%? %{-}%+w %=%{g}|%{y}%l%{g}|%{B}%Y-%m-%d %{W}%c%{g}'

# huge scrollback buffer
defscrollback 1000

# no welcome message
startup_message off

# 256 colors
term screen-256color
attrcolor b ".I"
#termcapinfo xterm 'Co#256:AB=\E[48;5;%dm:AF=\E[38;5;%dm'
#termcapinfo xterm* ti@:te@
#defbce on

# mouse tracking allows to switch region focus by clicking
mousetrack off

shelltitle --
#shell /usr/bin/fish

# select window 1..10 with sequence "^a 1..0"
bind c screen 1 # window numbering starts at 1 not 0
bind 0 select 10

# turn of flow control (^S-^Q / XON-XOFF characters)
defflow off

# default windows
screen 1 bash
screen 2 bash
select 1

# https://www.gnu.org/software/screen/manual/html_node/Key-Binding.html#Key-Binding
maptimeout 1000
# NOTE: run `showkey -a` to see keycodes to use here
# select window 11..20 with sequence "^A .N", where N=1..0
bind .  # unbind "^A ." (write termcap)
bindkey "^A.1" select 11
bindkey "^A.2" select 12
bindkey "^A.3" select 13
bindkey "^A.4" select 14
bindkey "^A.5" select 15
bindkey "^A.6" select 16
bindkey "^A.7" select 17
bindkey "^A.8" select 18
bindkey "^A.9" select 19
bindkey "^A.0" select 20

# switch windows with F1 (prev) and F2 (next)
# x11
bindkey "^[OP" prev
bindkey "^[OQ" next
# old VT console
bindkey "^[[[A" prev
bindkey "^[[[B" next

## get rid of silly xoff stuff
#bind s split
## Ctrl+F2 puts Screen into resize mode. Resize regions using hjkl keys.
#bindkey "^[O1;5Q" eval "command -c rsz" # enter resize mode
## use hjkl keys to resize regions
#bind -c rsz h eval "resize -h -5" "command -c rsz"
#bind -c rsz j eval "resize -h +5" "command -c rsz"
#bind -c rsz k eval "resize -v -5" "command -c rsz"
#bind -c rsz l eval "resize -v +5" "command -c rsz"

# navigating regions with Ctrl-arrows
#bindkey "^[[1;5D" focus left
#bindkey "^[[1;5C" focus right
#bindkey "^[[1;5A" focus up
#bindkey "^[[1;5B" focus down

#!/bin/bash
if [ -z "$1" ]; then
  echo "USAGE: bashto pwd [cmd arg1 arg2 ...]"
  exit
fi
cd "$1"                    # go to the specified folder
shift; [ -n "$1" ] && "$@" # execute an optional command
exec /bin/bash             # run shell

[ -n "$DISPLAY" ] && echo -n "$DISPLAY" > $HOME/.last_display
[ -z "$DISPLAY" ] && export DISPLAY=$(cat $HOME/.last_display)

# https://www.ghacks.net/2017/02/13/how-to-speed-up-the-vivaldi-web-browser/
# optimized command for raspberry pi
/usr/bin/vivaldi \
  --process-per-site \
  --enable-low-res-tiling \
  --enable-low-end-device-mode \
  --disk-cache-size=104857600 \
  --disk-cache-dir=$TMPD \
  "$@"

apt install libwidevinecdm0
echo '{"Path":"/opt/WidevineCdm"}' > ~/.config/vivaldi/WidevineCdm/latest-component-updated-widevine-cdm

# /etc/nanorc or ~/.nanorc
set tabsize 2
set tabstospaces
set smarthome
set regexp
set nonewlines

#set autoindent
#set linenumbers

set constantshow

#set mouse

set nowrap

# use alt-</, or alt->/. to switch buffer
# user ^R ^T to open a new file buffer with file manager
set multibuffer