92 lines
2.0 KiB
JavaScript
Executable File
92 lines
2.0 KiB
JavaScript
Executable File
#!/usr/bin/env node
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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2018 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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// MODULES //
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var resolve = require( 'path' ).resolve;
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var cwd = require( 'process' ).cwd; // Note: avoiding `@stdlib/process/cwd` is intentional in order to avoid a circular dependency at the package level
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var CLI = require( '@stdlib/cli/ctor' );
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var readFile = require( './../lib' );
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// MAIN //
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/**
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* Main execution sequence.
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*
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* @private
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* @returns {void}
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*/
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function main() {
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var fpath;
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var flags;
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var args;
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var opts;
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var cli;
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// Create a command-line interface:
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cli = new CLI({
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'pkg': require( './../package.json' ),
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'options': require( './../etc/cli_opts.json' ),
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'help': readFile.sync( resolve( __dirname, '..', 'docs', 'usage.txt' ), {
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'encoding': 'utf8'
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})
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});
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// Get any provided command-line options:
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flags = cli.flags();
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if ( flags.help || flags.version ) {
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return;
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}
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// Get any provided command-line arguments:
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args = cli.args();
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opts = {};
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if ( flags.encoding ) {
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opts.encoding = flags.encoding;
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}
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if ( flags.flag ) {
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opts.flag = flags.flag;
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}
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fpath = resolve( cwd(), args[ 0 ] );
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readFile( fpath, opts, onFile );
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/**
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* Callback invoked upon reading the contents of a file.
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*
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* @private
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* @param {(Error|null)} error - error object
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* @param {(Buffer|string)} file - file contents
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* @returns {void}
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*/
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function onFile( error, file ) {
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if ( error ) {
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return cli.error( error );
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}
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console.log( file.toString() ); // eslint-disable-line no-console
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}
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}
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main();
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