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add -max param to gotail utility

This commit is contained in:
Sridhar Ratnakumar 2014-05-16 18:10:04 -07:00
parent 136cda4961
commit 4441c2eb1b
2 changed files with 5 additions and 2 deletions
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3
cmd/gotail/gotail.go
View File

@ -12,7 +12,9 @@ import (
func args2config() (tail.Config, int64) { func args2config() (tail.Config, int64) {
config := tail.Config{Follow: true} config := tail.Config{Follow: true}
n := int64(0) n := int64(0)
maxlinesize := int(0)
flag.Int64Var(&n, "n", 0, "tail from the last Nth location") flag.Int64Var(&n, "n", 0, "tail from the last Nth location")
flag.IntVar(&maxlinesize, "max", 0, "max line size")
flag.BoolVar(&config.Follow, "f", false, "wait for additional data to be appended to the file") flag.BoolVar(&config.Follow, "f", false, "wait for additional data to be appended to the file")
flag.BoolVar(&config.ReOpen, "F", false, "follow, and track file rename/rotation") flag.BoolVar(&config.ReOpen, "F", false, "follow, and track file rename/rotation")
flag.BoolVar(&config.Poll, "p", false, "use polling, instead of inotify") flag.BoolVar(&config.Poll, "p", false, "use polling, instead of inotify")
@ -20,6 +22,7 @@ func args2config() (tail.Config, int64) {
if config.ReOpen { if config.ReOpen {
config.Follow = true config.Follow = true
} }
config.MaxLineSize = maxlinesize
return config, n return config, n
} }

4
tail.go
View File

@ -234,7 +234,7 @@ func (tail *Tail) tailFileSync() {
return return
} }
} }
}else if err == io.EOF { } else if err == io.EOF {
if !tail.Follow { if !tail.Follow {
return return
} }
@ -248,7 +248,7 @@ func (tail *Tail) tailFileSync() {
} }
return return
} }
}else { } else {
// non-EOF error // non-EOF error
tail.Killf("Error reading %s: %s", tail.Filename, err) tail.Killf("Error reading %s: %s", tail.Filename, err)
return return