Created
June 20, 2018 12:58
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node transform stream
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| const { Transform } = require('stream') | |
| const ts = Transform({ decodeStrings: false }) | |
| ts._write = (chunk, enc, next) => { | |
| ts.push(chunk.toUpperCase()) | |
| next() | |
| } | |
| process.stdin.setEncoding('utf8') | |
| process.stdin.pipe(ts).pipe(process.stdout) |
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