mountainlab/mlproc/display_config.js

MountainLab data analysis environment

exports.cmd_config=cmd_config;

var common=require(__dirname+'/common.js');
const fs=require('fs');

function cmd_config(name,opts,callback) {
    if (name) {
        if (name=='package_directory') {
            console.info(common.main_package_directory());
        }
        else {
            console.error(`Invalid name: ${name}`);
        }
        return;
    }
    var ml_config_file=common.config_file_path();
    var txt=common.read_text_file(__dirname+'/display_config.template');
    txt = txt.split("$configuration_file$");
    if (fs.existsSync(ml_config_file)) {   
        txt=txt.join(common.config_file_path());
    } else {
        txt[0] = ('-----------------------------------------------------------\nNo config file found at: '+ml_config_file);
        txt = txt[0].concat(...txt.slice(1));
    }
    var env_names=[
        'ML_TEMPORARY_DIRECTORY',
        'ML_PACKAGE_SEARCH_DIRECTORY',
        'ML_ADDITIONAL_PACKAGE_SEARCH_DIRECTORIES',
        'ML_ADDITIONAL_PRV_SEARCH_DIRECTORIES',
	'ML_DATABASE_DIRECTORY'
    ];
    for (var i in env_names) {
        txt=txt.split(`$${env_names[i]}$`).join((process.env[env_names[i]]||'[default]'));
    }

    txt=txt.split('$temporary_directory$').join(common.temporary_directory());
    txt=txt.split('$package_search_directories$').join(common.package_search_directories().join(':'));
    txt=txt.split('$prv_search_directories$').join(common.prv_search_directories().join(':'));
    txt=txt.split('$database_directory$').join(common.database_directory());

	if (opts['format']=='json') {
		var obj={
			temporary_directory:common.temporary_directory(),
			package_search_directories:common.package_search_directories(),
		        prv_search_directories:common.prv_search_directories(),
		        database_directory:common.database_directory()
		};
		console.log (JSON.stringify(obj,null,4));
	}
	else {
		console.log (txt);
	}
	callback(null);
}