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ensure at least one blank line will be emitted when piped.

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fiatjaf 2024-02-06 12:47:58 -03:00
parent 6626001dd2
commit e89823b10e
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1 changed files with 5 additions and 0 deletions
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5
helpers.go
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@ -69,8 +69,13 @@ func writeStdinLinesOrNothing(ch chan string) (hasStdinLines bool) {
go func() { go func() {
scanner := bufio.NewScanner(os.Stdin) scanner := bufio.NewScanner(os.Stdin)
scanner.Buffer(make([]byte, 16*1024), 256*1024) scanner.Buffer(make([]byte, 16*1024), 256*1024)
hasEmittedAtLeastOne := false
for scanner.Scan() { for scanner.Scan() {
ch <- strings.TrimSpace(scanner.Text()) ch <- strings.TrimSpace(scanner.Text())
hasEmittedAtLeastOne = true
}
if !hasEmittedAtLeastOne {
ch <- ""
} }
close(ch) close(ch)
}() }()