39 lines
1.7 KiB
JavaScript
39 lines
1.7 KiB
JavaScript
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#!/usr/bin/env node
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import {EOL} from "os";
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import {basename, dirname, resolve} from "path";
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import {readFileSync} from "fs";
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import {fileURLToPath} from "url";
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import rw from "rw";
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import {program} from "commander";
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import iconv from "iconv-lite";
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import {dsvFormat} from "../src/index.js";
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const progname = basename(process.argv[1]);
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const defaultInDelimiter = progname.slice(0, 3) === "tsv" ? "\t" : ",";
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const options = program
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.version(JSON.parse(readFileSync(resolve(dirname(fileURLToPath(import.meta.url)), "../package.json"))).version)
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.usage("[options] [file]")
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.option("-o, --out <file>", "output file name; defaults to “-” for stdout", "-")
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.option("-r, --input-delimiter <character>", "input delimiter character", defaultInDelimiter)
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.option("-a, --auto-type", "parse rows with type inference (see d3.autoType)")
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.option("-n, --newline-delimited", "output newline-delimited JSON")
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.option("--input-encoding <encoding>", "input character encoding; defaults to “utf8”", "utf8")
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.option("--output-encoding <encoding>", "output character encoding; defaults to “utf8”", "utf8")
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.parse(process.argv)
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.opts();
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const inFormat = dsvFormat(options.inputDelimiter);
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rw.dash.readFile(program.args[0] || "-", (error, text) => {
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if (error) throw error;
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const rowConverter = options.autoType ? dsv.autoType : null
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const rows = inFormat.parse(iconv.decode(text, options.inputEncoding), rowConverter);
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rw.dash.writeFile(options.out, iconv.encode(options.newlineDelimited
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? rows.map((row) => JSON.stringify(row)).join("\n") + "\n"
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: JSON.stringify(rows) + EOL, options.outputEncoding), (error) => {
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if (error) throw error;
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});
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});
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