implement Fsmodule;include "sys.m";	sys: Sys;include "draw.m";include "sh.m";include "fslib.m";	fslib: Fslib;	Report, Value, type2s, quit: import fslib;	Fschan, Fsdata, Entrychan, Entry,	Gatechan, Gatequery, Nilentry, Option,	Next, Down, Skip, Quit: import Fslib; types(): string{	return "vt";} badmod(p: string){	sys->fprint(sys->fildes(2), "fs: size: cannot load %s: %r\n", p);	raise "fail:bad module";} init(){	sys = load Sys Sys->PATH;	fslib = load Fslib Fslib->PATH;	if(fslib == nil)		badmod(Fslib->PATH);} run(nil: ref Draw->Context, report: ref Report,			nil: list of Option, args: list of ref Value): ref Value{	sync := chan of int;	spawn sizeproc(sync, (hd args).t().i, report.start("size"));	return ref Value.V(sync);} sizeproc(sync: chan of int, c: Entrychan, errorc: chan of string){	if(<-sync == 0){		c.sync <-= 0;		quit(errorc);		exit;	}	c.sync <-= 1; 	size := big 0;	while(((d, nil, nil) := <-c.c).t0 != nil)		size += d.length;	sys->print("%bd\n", size);	quit(errorc);}