import { IShellCommand } from "./IShellCommand";
import { ShellSyscall } from "../ShellSyscall";

export class cat implements IShellCommand {
    constructor(private syscall: ShellSyscall) {}

    getName(): string {
        return "cat";
    }

    execute(args: string[]): string {
        if (args.length === 0) return "cat: missing file operand";
        return this.syscall.readFile(args[0]);
    }

    getManPage(): string {
        return "cat - concatenate files and print on the standard output";
    }
}