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executable file 34 lines (30 sloc) 1.151 kB
#!/usr/bin/env node
var optimist = require('optimist'),
fs = require('fs'),
sys = require('sys'),
concat = require('concat-stream'),
csv2geojson = require('./'),
argv = optimist
.usage('Usage: $0 -lat [string] -lon [string] -delimeter [string] FILE')
.describe('lat', 'the name of the latitude column')
.describe('lon', 'the name of the longitude column')
.describe('line', 'whether or not to output points as a LineString')
.describe('delimiter', 'the type of delimiter')
.default('delimiter', ',')
.default('line', false)
.argv;
if (process.stdin.isTTY && !argv._[0]) {
return optimist.showHelp();
}
(argv._.length ? fs.createReadStream(argv._[0]) : process.stdin).pipe(concat(convert));
function convert(data) {
csv2geojson.csv2geojson(data.toString(), {
latfield: argv.lat,
lonfield: argv.lon,
delimiter: argv.delimiter
}, function(err, data) {
if (err) console.error(JSON.stringify(err, null, 2));
if (argv.line) data = csv2geojson.toLine(data)
console.log(JSON.stringify(data, null, 2));
});
}
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