@lunaticmuch/front-matter-manipulator/lib/commands/update.js

A utility for parsing and manipulating documents with Front Matter

import Command  from '../core/update.js';

export const command = 'update <file|pattern> <field> <value|regexp>';

export const usage = 'Usage: $0 update <file|pattern> <field> <value|regexp>';

export const aliases = ['u'];

export const describe = 'Update the value of a field across multiple files';

export const example = '$0 update **/*.md title newval';

export const builder = {
    'dry-run': {
        alias: 'D',
        describe: 'Lists the changes to each file without writing the changes',
        boolean: true
    },
    include: {
        alias: 'inc',
        describe: 'Provide a comma delimited list of key-value pairs to only include datasets that match'
    },
    exclude: {
        alias: 'excl',
        describe: 'Provide a comma delimited list of key-value pairs to exclude datasets that match'
    },
    'regex': {
        alias: '-R',
        describe: 'Runs the old value through a regex and replaces it with the output'
    }
};

export const handler = function(argv) {
    var options = Object.assign({cli: true}, argv);

    return Command(options.file, options.field, options.value, options);
};