censql/bin/pipeCommands/grep.js

A NodeJS command line client for SAP HANA

module.exports = function(linesIn, command) {
    var linesOut = linesIn.slice(0);

    var part = command.trim();
    var parts = part.split(" ");

    var isInverse = false;

    if (parts[1] && parts[1].trim() == "-i") {
        isInverse = true;
    }

    var i = linesOut.length;

    try {

        while (i--) {

            if (isInverse) {

                if (linesOut[i].match(part.substring(part.indexOf('-i ') + 3))) {
                    linesOut.splice(i, 1);
                }

            } else {

                if (!linesOut[i].match(part.substring(part.indexOf(' ') + 1))) {
                    linesOut.splice(i, 1);
                }

            }

        }

    } catch (e) {
    	linesOut = [e]
    }


    return linesOut;
}