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41 lines
991 B
41 lines
991 B
#! /usr/bin/env node |
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var createHash = require('./browserify') |
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var argv = process.argv.slice(2) |
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function pipe (algorithm, s) { |
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var start = Date.now() |
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var hash = createHash(algorithm || 'sha1') |
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s.on('data', function (data) { |
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hash.update(data) |
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}) |
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s.on('end', function () { |
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if (process.env.DEBUG) { |
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return console.log(hash.digest('hex'), Date.now() - start) |
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} |
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console.log(hash.digest('hex')) |
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}) |
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} |
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function usage () { |
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console.error('sha.js [algorithm=sha1] [filename] # hash filename with algorithm') |
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console.error('input | sha.js [algorithm=sha1] # hash stdin with algorithm') |
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console.error('sha.js --help # display this message') |
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} |
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if (!process.stdin.isTTY) { |
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pipe(argv[0], process.stdin) |
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} else if (argv.length) { |
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if (/--help|-h/.test(argv[0])) { |
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usage() |
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} else { |
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var filename = argv.pop() |
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var algorithm = argv.pop() |
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pipe(algorithm, require('fs').createReadStream(filename)) |
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} |
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} else { |
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usage() |
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}
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