ref: 02ac617541ca1a7bf82b1615fb5a58235469b5d3
dir: /appl/alphabet/fs/size.b/
implement Size, Fsmodule; include "sys.m"; sys: Sys; include "draw.m"; include "sh.m"; include "alphabet/reports.m"; reports: Reports; Report: import reports; include "alphabet/fs.m"; fs: Fs; Value: import fs; Fschan, Fsdata, Entrychan, Entry, Gatechan, Gatequery, Nilentry, Option, Next, Down, Skip, Quit: import Fs; Size: module {}; types(): string { return "ft"; } 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; reports = load Reports Reports->PATH; if(reports == nil) badmod(Reports->PATH); fs = load Fs Fs->PATH; if(fs == nil) badmod(Fs->PATH); fs->init(); } run(nil: ref Draw->Context, report: ref Report, nil: list of Option, args: list of ref Value): ref Value { f := chan of ref Sys->FD; spawn sizeproc(f, (hd args).t().i, report.start("size")); return ref Value.Vf(f); } sizeproc(f: chan of ref Sys->FD, c: Entrychan, errorc: chan of string) { f <-= nil; if((fd := <-f) == nil){ c.sync <-= 0; exit; } c.sync <-= 1; size := big 0; while(((d, nil, nil) := <-c.c).t0 != nil) size += d.length; sys->fprint(fd, "%bd\n", size); sys->fprint(fd, ""); errorc <-= nil; }