34 lines
649 B
Go
34 lines
649 B
Go
package scriptx
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import (
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"bufio"
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"io"
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"github.com/bitfield/script"
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)
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func eachLine(r io.Reader, fn func(line string) error) error {
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scanner := bufio.NewScanner(r)
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for scanner.Scan() {
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if err := fn(scanner.Text()); err != nil {
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return err
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}
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}
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return scanner.Err()
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}
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func SubPipe(fn func(line string) *script.Pipe) func(r io.Reader, w io.Writer) error {
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return func(r io.Reader, w io.Writer) error {
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scanner := bufio.NewScanner(r)
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for scanner.Scan() {
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bts, err := fn(scanner.Text()).Bytes()
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if err != nil {
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return err
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}
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if _, err := w.Write(bts); err != nil {
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return err
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}
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}
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return scanner.Err()
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}
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}
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