func main() {
cmd.UnixIO("err")
c := cmd.AppCtx()
opts.NewFlag("D", "debug", &c.Debug)
opts.NewFlag("u", "unix IO", &ux)
opts.NewFlag("g", "get contents", &gflag)
if cmd.Args()[0] == "gf" {
gflag = true
}
args := opts.Parse()
if ux {
cmd.UnixIO()
}
if len(args) == 0 {
args = append(args, ".,1")
}
var dc <-chan face{}
if !gflag {
dc = cmd.Dirs(args...)
} else {
dc = cmd.Files(args...)
}
out := cmd.Out("out")
var err error
for m := range dc {
cmd.Dprintf("got %T\n", m)
switch m := m.(type) {
case error:
err = m
cmd.Warn("%s", m)
if !ux {
m := fmt.Errorf("%s: %s", cmd.Args()[0], m)
if ok := out <- m; !ok {
close(dc, cerror(out))
}
}
case zx.Dir:
if !ux {
if ok := out <- m; !ok {
close(dc, cerror(out))
}
} else {
printf("%s\n", m.Fmt())
}
case []byte:
if ok := out <- m; !ok {
close(dc, cerror(out))
}
}
}
if err := cerror(dc); err != nil {
if !ux {
out <- fmt.Errorf("%s: %s", cmd.Args()[0], err)
}
cmd.Exit(err)
}
cmd.Exit(err)
}
// Run print lines in the current app context.
func main() {
c := cmd.AppCtx()
cmd.UnixIO("err")
opts.NewFlag("D", "debug", &c.Debug)
opts.NewFlag("1", "collect all files (not one msg per file)", &one)
ux := false
opts.NewFlag("u", "use unix out", &ux)
args := opts.Parse()
if ux {
cmd.UnixIO("out")
}
if len(args) != 0 {
cmd.SetIn("in", cmd.Files(args...))
}
buf := &bytes.Buffer{}
in := cmd.In("in")
out := cmd.Out("out")
for m := range in {
switch m := m.(type) {
case []byte:
buf.Write(m)
case zx.Dir:
if !one && buf.Len() > 0 {
if ok := out <- buf.Bytes(); !ok {
close(in, cerror(out))
break
}
buf = &bytes.Buffer{}
}
if !one && !ux {
if ok := out <- m; !ok {
close(in, cerror(out))
break
}
}
case error:
cmd.Warn("%s", m)
default:
cmd.Dprintf("ignored %T\n", m)
if !ux {
if ok := out <- m; !ok {
close(in, cerror(out))
break
}
}
}
}
if buf.Len() > 0 {
out <- buf.Bytes()
}
if err := cerror(in); err != nil {
cmd.Fatal(err)
}
}
func main() {
cmd.UnixIO("err")
cmd.UnixIO("in")
args := opts.Parse()
if len(args) != 0 {
in := cmd.Files(args...)
cmd.SetIn("in", in)
}
out := cmd.Out("out")
in := cmd.In("in")
for m := range in {
if ok := out <- m; !ok {
close(in, cerror(out))
}
}
if err := cerror(in); err != nil {
cmd.Fatal(err)
}
}
// Run cols in the current app context.
func main() {
c := cmd.AppCtx()
opts.NewFlag("D", "debug", &c.Debug)
opts.NewFlag("w", "wid: set max line width", &wid)
opts.NewFlag("n", "ncols: set number of columns", &ncols)
opts.NewFlag("u", "use unix output", &ux)
cmd.UnixIO("err")
args := opts.Parse()
if ux {
cmd.UnixIO("out")
}
if len(args) != 0 {
cmd.SetIn("in", cmd.Files(args...))
}
in := cmd.In("in")
for m := range in {
switch m := m.(type) {
default:
// ignored & forwarded
cmd.Dprintf("got %T\n", m)
continue
case zx.Dir:
cmd.Dprintf("got %T %s\n", m, m["Upath"])
add(strings.TrimSpace(m["name"]))
case error:
if m != nil {
cmd.Warn("%s", m)
}
case []byte:
cmd.Dprintf("got %T [%d]\n", m, len(m))
words := strings.Fields(strings.TrimSpace(string(m)))
add(words...)
}
}
col()
if err := cerror(in); err != nil {
cmd.Fatal("in %s", err)
}
}
// Run print lines in the current app context.
func main() {
c := cmd.AppCtx()
cmd.UnixIO("err")
opts.NewFlag("D", "debug", &c.Debug)
opts.NewFlag("r", "range: print this range", &ranges)
opts.NewFlag("n", "print line numbers", &nflag)
opts.NewFlag("p", "print file names and line numbers", &pflag)
ux := false
opts.NewFlag("u", "use unix out", &ux)
args := opts.Parse()
if ux {
cmd.UnixIO("out")
}
if len(args) != 0 {
cmd.SetIn("in", cmd.Files(args...))
}
if len(ranges) == 0 {
ranges = append(ranges, ",")
}
if err := parseRanges(); err != nil {
cmd.Fatal(err)
}
runFiles(lns)
}