New utility script that replaces DELFILES (the program) for sbbs v3.19

exec/delfiles.js

+// Delete files from Synchronet v3.19 file bases
+
+require("sbbsdefs.js", "DIR_SINCEDL");
+
+"use strict";
+
+var dir_list = [];
+var exclude = [];
+var options = {};
+for(var i = 0; i < argc; i++) {
+	var arg = argv[i];
+	if(arg[0] == '-') {
+		var opt = arg;
+		while(opt[0] == '-')
+			opt = opt.slice(1);
+		if(opt == "help" || opt == "?") {
+			writeln("usage: [-options] [[dir_code] [...]]");
+			writeln("options:");
+			writeln("  -lib=<name>     search for duplicates in specified library only");
+			writeln("  -ex=<filename>  add to excluded file name list (case-insensitive)");
+			writeln("  -offline        remove files that are offline (don't exist on disk)");
+			writeln("  -test           don't actually remove files, just report findings");
+			exit(0);
+		}
+		if(opt.indexOf("ex=") == 0) {
+			exclude.push(opt.slice(3).toUpperCase());
+			continue;
+		}
+		if(opt.indexOf("lib=") == 0) {
+			var lib = opt.slice(4);
+			if(!file_area.lib[lib]) {
+				alert("Library not found: " + lib);
+				exit(1);
+			}
+			for(var j = 0; j < file_area.lib[lib].dir_list.length; j++)
+				dir_list.push(file_area.lib[lib].dir_list[j].code);
+			continue;
+		}
+		options[opt] = true;
+		continue;
+	}
+	dir_list.push(arg);
+}
+
+if(dir_list.length < 1)
+	for(var dir in file_area.dir)
+		dir_list.push(dir);
+
+var now = time();
+for(var i in dir_list) {
+	var dir_code = dir_list[i];
+	var dir = file_area.dir[dir_code];
+	var base = new FileBase(dir_code);
+	if(!base.open())
+		throw new Error(base.last_error);
+	if(options.offline) {
+		log("Purging offline files");
+		var list = base.get_names(/* sort: */false);
+		var removed = 0;
+		for(var j = 0; j < list.length; j++) {
+			var file = list[j];
+			if(exclude.indexOf(file.toUpperCase()) >= 0)
+				continue;
+			if(base.get_size(file) < 0) {
+				log("Removing offline file: " + base.get_path(file));
+				if(options.test)
+					removed++;
+				else {
+					if(!base.remove(file, /* delete: */true))
+						alert(base.error);
+					else
+						removed++;
+				}
+			}
+		}
+		log("Removed " + removed + " offline files");
+	}
+	if(base.max_age) {
+		log("Purging old files, imposing max age of " + base.max_age + " days");
+		var list = base.get_list(FileBase.DETAIL.NORM, /* sort: */false);
+		var removed = 0;
+		for(var j = 0; j < list.length; j++) {
+			var file = list[j];
+			if(exclude.indexOf(file.name.toUpperCase()) >= 0)
+				continue;
+			var t = file.added;
+			var age_desc = "uploaded";
+			if(file.last_downloaded
+				&& (file_area.dir[dir_code].settings & DIR_SINCEDL)) {
+				t = file.last_downloaded;
+				age_desc = "last downloaded";
+			}
+			var file_age = Math.floor((now - t) / (24 * 60 * 60));
+			if(file_age > base.max_age) {
+				log("Removing " + base.get_path(file.name) + " " + age_desc + " " + file_age + " days ago");
+				if(options.test)
+					removed++;
+				else {
+					if(!base.remove(file.name, /* delete: */true))
+						alert(base.error);
+					else
+						removed++;
+				}
+			}
+		}
+		log("Removed " + removed + " of " + list.length + " files due to age of " + base.max_age + " days");
+	}
+	if(base.max_files) {
+		log("Purging excess files, imposing max files limit of " + base.max_files);
+		var list = base.get_list(FileBase.DETAIL.MIN, /* sort: */false);
+		var removed = 0;
+		var excess = list.length - base.max_files;
+		for(var j = 0; j < list.length && removed < excess; j++) {
+			var file = list[j];
+			if(exclude.indexOf(file.name.toUpperCase()) >= 0)
+				continue;
+			log("Removing " + file.name);
+			if(options.test)
+				removed++;
+			else {
+				if(!base.remove(file.name, /* delete: */true))
+					alert(base.error);
+				else
+					removed++;
+			}
+		}
+		log("Removed " + removed + " of " + list.length + " files due to max file limit of " + base.max_files);
+	}
+
+	base.close();
+}