1 files changed, 54 insertions, 0 deletions
diff --git a/appl/cmd/fs/size.b b/appl/cmd/fs/size.b
new file mode 100644
index 00000000..d72edd99
--- /dev/null
+++ b/appl/cmd/fs/size.b
@@ -0,0 +1,54 @@
+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);
+}