git ssb

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var writeArray = exports.writeArray = function (read, cb) {
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  var array = []
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  read(null, function next (end, data) {
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    if(end)
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      return cb(end === true ? null : end, array)
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    array.push(data)
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    read(null, next)
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  })
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}
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var onEnd = exports.onEnd = function (read, done) {
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 return read(null, function next (err, data) {
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    if(err) return done(err)
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    read(null, next)
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  })
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}
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var drain = exports.drain = function (read, op, done) {
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  return read(null, function next (err, data) {
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    if(err) return done && done(err)
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    op && op(data)
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    read(null, next)
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  })
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}
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var log = exports.log = function (read, done) {
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  return drain(read, console.log.bind(console), done)
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}
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