drawio_files_watch.sh

#!/bin/bash

# simple bash script to watch after all drawio files and automatically build .pdf
# fswatch is required: https://github.com/emcrisostomo/fswatch
# drawio is required: https://github.com/jgraph/drawio

APP_PATH='/Applications/draw.io.app/Contents/MacOS/draw.io'	# full path to drawio app
SRC_PATH='/Users/someone/someproject/img/drawio'	# full path to directory where .drawio files are stored

function drawioBuild {
	echo Compiling $1
	pdf_filename="$(basename "$1" .drawio).pdf"
	rm -f $pdf_filename
	bash -c "$2 --crop -x -o $pdf_filename $1"
}

export -f drawioBuild

# on init process all existing files
/usr/bin/find $SRC_PATH -name *.drawio -print0 | xargs -0 -n1 -I{} bash -c 'drawioBuild "$@"' _ {} $APP_PATH
echo 'Start wathing'
# then watch
fswatch -0 -e ".*" -i "\\.drawio$" $SRC_PATH | xargs -0 -n1 -I{} bash -c 'drawioBuild "$@"' _ {} $APP_PATH