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hodor5
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| // DefaultChunkSize is the default amount of data read from an io.Reader | |
| const DefaultChunkSize = 1024 * 16 | |
| // Process starts to stream data | |
| func Process(r io.Reader) (io.Reader, error) { | |
| var buf, rbuf, result bytes.Buffer | |
| for { | |
| _, err := io.CopyN(&buf, r, DefaultChunkSize) | |
| if err != nil && err != io.EOF { | |
| return nil, err | |
| } | |
| if rerr := Replace(buf.Bytes(), []byte("hodor"), []byte("hold the door"), -1, &rbuf); rerr != nil { | |
| return nil, rerr | |
| } | |
| buf.Reset() | |
| if _, werr := result.Write(rbuf.Bytes()); werr != nil { | |
| return nil, werr | |
| } | |
| if err == io.EOF { | |
| return &result, nil | |
| } | |
| } | |
| } |
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