Files
notes/code/misc/bash/nnn/nnn-preview.sh
2024-12-21 00:25:15 +00:00

40 lines
1.2 KiB
Bash

nnn-preview ()
{
# Block nesting of nnn in subshells
if [ -n "$NNNLVL" ] && [ "${NNNLVL:-0}" -ge 1 ]; then
echo "nnn is already running"
return
fi
# The default behaviour is to cd on quit (nnn checks if NNN_TMPFILE is set)
# If NNN_TMPFILE is set to a custom path, it must be exported for nnn to see.
# To cd on quit only on ^G, remove the "export" and set NNN_TMPFILE *exactly* as this:
# NNN_TMPFILE="${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.lastd"
export NNN_TMPFILE="${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.lastd"
# This will create a fifo where all nnn selections will be written to
NNN_FIFO="$(mktemp --suffix=-nnn -u)"
export NNN_FIFO
(umask 077; mkfifo "$NNN_FIFO")
# Preview command
preview_cmd="/media/dl92/mydata/projects/code/Bash/nnn/preview_cmd.sh"
# Use `tmux` split as preview
if [ -e "${TMUX%%,*}" ]; then
tmux split-window -e "NNN_FIFO=$NNN_FIFO" -dh "$preview_cmd"
# Use `xterm` as a preview window
elif (which xterm &> /dev/null); then
xterm -e "$preview_cmd" &
# Unable to find a program to use as a preview window
else
echo "unable to open preview, please install tmux or xterm"
fi
nnn "$@"
rm -f "$NNN_FIFO"
}