site/node_modules/d3-dsv/bin/dsv2dsv.js
2024-10-14 08:09:33 +02:00

36 lines
1.5 KiB
JavaScript

#!/usr/bin/env node
import {EOL} from "os";
import {basename, dirname, resolve} from "path";
import {readFileSync} from "fs";
import {fileURLToPath} from "url";
import rw from "rw";
import {program} from "commander";
import iconv from "iconv-lite";
import {dsvFormat} from "../src/index.js";
const progname = basename(process.argv[1]);
const defaultInDelimiter = progname.slice(0, 3) === "tsv" ? "\t" : ",";
const defaultOutDelimiter = progname.slice(-3) === "tsv" ? "\t" : ",";
const options = program
.version(JSON.parse(readFileSync(resolve(dirname(fileURLToPath(import.meta.url)), "../package.json"))).version)
.usage("[options] [file]")
.option("-o, --out <file>", "output file name; defaults to “-” for stdout", "-")
.option("-r, --input-delimiter <character>", "input delimiter character", defaultInDelimiter)
.option("-w, --output-delimiter <character>", "output delimiter character", defaultOutDelimiter)
.option("--input-encoding <encoding>", "input character encoding; defaults to “utf8”", "utf8")
.option("--output-encoding <encoding>", "output character encoding; defaults to “utf8”", "utf8")
.parse(process.argv)
.opts();
const inFormat = dsvFormat(options.inputDelimiter);
const outFormat = dsvFormat(options.outputDelimiter);
rw.dash.readFile(program.args[0] || "-", (error, text) => {
if (error) throw error;
rw.dash.writeFile("-", iconv.encode(outFormat.format(inFormat.parse(iconv.decode(text, options.inputEncoding))) + EOL, options.outputEncoding), (error) => {
if (error) throw error;
});
});