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47 lines
1.4 KiB
47 lines
1.4 KiB
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// gm - Copyright Aaron Heckmann <aaron.heckmann+github@gmail.com> (MIT Licensed)
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var assert = require('assert')
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var url = require('url')
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var http = require('http')
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module.exports = function (_, dir, finish, gm) {
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return finish();
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// use this test when gm is not installed.
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// it demonstrates that err is often passed as null (timing)
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// to detect the stream error that the gm command is not installed,
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// you must test the stderr output manually for "execvp(): No such file or directory"
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function done (err){
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if (err) return finish(done.ran = err);
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if (done.ran) return;
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finish();
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}
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http.get(url.parse('http://www.google.com/images/srpr/logo3w.png'), function (resp) {
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gm(resp, 'logo3w.png').stream(function (err, stdout, stderr) {
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return finish();
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if (err) {
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console.error('Error processing image', err)
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} else {
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stdout.on('data', function (chunk) {
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console.log('Chunk recieved', chunk.toString())
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})
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stdout.on('end', function () {
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console.log('Stream ended')
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})
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stderr.on('data', function (chunk) {
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console.log('err Chunk recieved', chunk.toString())
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})
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stderr.on('end', function () {
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console.log('err Stream ended')
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})
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}
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})
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})
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.on('error', function (err) {
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console.error('Error fetching image', err)
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})
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}
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