src/main/java/com/keenwrite/commands/ConcatenateCommand.java

		package com.keenwrite.commands;

		+import com.keenwrite.io.SysFile;
		import com.keenwrite.util.AlphanumComparator;
		import com.keenwrite.util.RangeValidator;

		mExtension = extension;
		mRange = range;
		+ }
		+
		+ public static int toDigits( final String filename, final int fallback ) {
		+ final var stripped = filename.replaceAll( "\\D", "" );
		+
		+ return stripped.isEmpty() ? fallback : Integer.parseInt( stripped );
		}

		public String call() throws IOException {
		- final var glob = "*/." + mExtension;
		+ final var glob = STR."*/.\{mExtension}";
		final var files = new ArrayList<Path>();
		final var text = new StringBuilder( DOCUMENT_LENGTH );
		final var chapter = new AtomicInteger();
		final var eol = lineSeparator();
		-
		final var validator = new RangeValidator( mRange );

		walk( mParent, glob, files::add );
		files.sort( new AlphanumComparator<>() );
		files.forEach( file -> {
		try {
		- if( validator.test( chapter.incrementAndGet() ) ) {
		+ final var filename = SysFile.getFileName( file );
		+ final var digits = toDigits( filename, chapter.incrementAndGet() );
		+
		+ if( validator.test( digits ) ) {
		clue( "Main.status.export.concat", file );

src/main/java/com/keenwrite/util/FileWalker.java

		final Path path, final String glob, final Consumer<Path> c )
		throws IOException {
		- final var matcher = getDefault().getPathMatcher( "glob:" + glob );
		+ final var matcher = getDefault().getPathMatcher( STR."glob:\{glob}" );

		try( final var walk = Files.walk( path, 10 ) ) {

Adds digit extraction fallback for concatenating files

Author	DaveJarvis <email>
Date	2024-10-03 17:19:10 GMT-0700
Commit	deeb0b7155d891b5850f91ea3726a6be09b53ff8
Parent	f2289d8
Delta	13 lines added, 4 lines removed, 9-line increase