How to resolve the algorithm Rename a file step by step in the Racket programming language

Published on 12 May 2024 09:40 PM
#Racket

How to resolve the algorithm Rename a file step by step in the Racket programming language

Table of Contents

Problem Statement

Rename:

This should be done twice:   once "here", i.e. in the current working directory and once in the filesystem root. It can be assumed that the user has the rights to do so. (In unix-type systems, only the user root would have sufficient permissions in the filesystem root.)

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Rename a file step by step in the Racket programming language

Source code in the racket programming language

#lang racket

(rename-file-or-directory "input.txt" "output.txt")
(rename-file-or-directory "docs" "mydocs")

;; find the filesystem roots, and pick the first one
(define root (first (filesystem-root-list)))

(rename-file-or-directory (build-path root "input.txt")
                          (build-path root "output.txt"))
(rename-file-or-directory (build-path root "docs")
                          (build-path root "mydocs"))

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