ref: 44ce0097b612a1fefd754065bdf8d9d2e5ef60c8
dir: /appl/cmd/fs/size.b/
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); }