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#!/bin/sh
# #############################################################################
# nlay: a customizable script to play files in different apps by file type
#
# usage: nlay file type
#
# MUST READ:
#
# 1. Feel free to change the default apps to your favourite ones.
# Simple use 'run_fg' or 'run_bg' to run the specified app with the given
# options in foreground or background respectively. Variable '$1' contains
# path of the file to open. If run_bg is used the app is detached and
# started in the background in silent mode. If the app is not installed
# (i.e. is not on your PATH), it is silently skipped and the script tries
# next 'run_bg' or 'run_fg'.
#
# The 'run_bg' vs. 'run_fg' depends on personal preference and type of app,
# e.g., I would start vim (CLI) in the foreground but Sublime Text (GUI) in
# the background.
#
# 2. Detached apps are not killed when nnn exits. Use kill(1) or killall(1) to
# to stop console based background apps.
#
# 3. nlay is OVERWRITTEN during nnn upgrade. You can store your custom nlay in a
# location other than the default and have an alias with nnn option '-p' to
# invoke it. Remember it might break or lack new capabilities added to nlay
# in future releases. Check the file diff once in a while.
#
# Please note that this is not the original nlay script, but Alpine version
# rewritten to be compatible with any POSIX compliant shell, not just Bash/ZSH.
#
# #############################################################################
# Runs the command in foreground if exists.
run_fg() {
which "$1" >/dev/null && "$@"
exit 0
}
# Runs the command in background if exists.
run_bg() {
which "$1" >/dev/null \
&& "$@" >/dev/null 2>&1 & \
&& exit 0
}
# Enable the lines below to handle file by extension
# This is provided for using a custom player for specific files
# $ext holds the extension
<<ENABLE_FILE_TYPE_HANDLING
fname=$(basename "$1")
case "$fname" in
*.*) ;;
*) exit 1;;
esac
ext="${fname##*.}"
[ -n "$ext" ] || exit 1
ext=$(printf %s "$ext" | tr '[A-Z]' '[a-z]')
# handle this extension and exit
ENABLE_FILE_TYPE_HANDLING
#------------ PLAINTEXT (UNUSED) ------------
if [ "$2" = "text" ]; then
run_fg vim "$1"
#----------------- SEARCH -------------------
elif [ "$2" = "search" ]; then
run_bg gnome-search-tool --path "$1"
run_bg catfish --path "$1"
#--------------- SCREENSAVER ----------------
elif [ "$2" = "screensaver" ]; then
run_fg vlock
fi
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