terriajs-ogr2ogr/examples/stderr_callback.js

ogr2ogr wrapper w/ multiple format support

var path = require('path'),
    ogr2ogr = require(path.resolve(__dirname + '/../')),
    fs = require('fs');


// Set option ["--config", "CPL_DEBUG", "ON"] to enable ogr2ogr debug output, then hook a callback to `onStderr` method
var st = ogr2ogr(path.resolve(__dirname + '/../test/samples/simple.shp.zip'))
    .options(["--config", "CPL_DEBUG", "ON"])
    .onStderr(function(data) {
        console.log(data);
    })
    .stream()
st.on('error', console.error)
st.pipe(process.stdout);