Created
July 14, 2017 09:46
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dedup words (streaming process from stdin)
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| var readline = require('readline'); | |
| var rl = readline.createInterface({ | |
| input: process.stdin, | |
| output: process.stdout, | |
| terminal: false | |
| }); | |
| let hash = {}; | |
| rl.on('line', function(line){ | |
| if(hash[line]) { | |
| // skip | |
| } else { | |
| hash[line] = 1; | |
| console.log(line); | |
| } | |
| }) |
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