.LISP File Recovery

Have files been deleted due to a user’s error or software error? Have you formatted a disk by accident and need to know how to recover the files? Read our .LISP file recovery guide for Windows, MacOS, Android and IOS in 2024.

LISP File Recovery

What is a .LISP file?

Source code file written in Lisp, a programming language that has several different dialects including Common Lisp and Scheme; contains plain text program code that is run with a Lisp interpreter; may be an entire program or a part of a larger Lisp application.

What Are Common Causes of ".LISP" Files Lost or Failure?

There are several common causes for ".LISP" files being lost or experiencing failure:

  1. Accidental deletion: Users may accidentally delete ".LISP" files while organizing or cleaning up their computer's storage. This can happen due to human error or mistakenly removing files thinking they are no longer needed.
  2. Software or hardware issues: Issues with the software or hardware on a computer can lead to ".LISP" file loss or failure. This can include software crashes, system errors, or hardware failures like hard drive malfunctions.
  3. Virus or malware attacks: Malicious software can infect a computer and cause damage to files, including ".LISP" files. Viruses or malware may corrupt or delete files, making them inaccessible or unusable.
  4. Improper shutdowns: If a computer is not shut down properly, such as during a power outage or system crash, it can lead to data loss or file corruption. ".LISP" files may be affected in such cases.
  5. File system errors: Errors within the file system, such as file system corruption or bad sectors on the storage device, can result in ".LISP" file loss or failure. These errors may prevent the files from being accessed or cause data corruption.
  6. Overwriting or modification: Accidentally overwriting or modifying a ".LISP" file without proper backup can lead to loss of the original file. This can happen when multiple users work on the same file simultaneously or when making unintended changes.
  7. Incompatibility issues: If a ".LISP" file is opened or used with incompatible software or versions, it may result in file corruption or failure. This can occur when trying to open a ".LISP" file with an outdated or incompatible program.

To prevent ".LISP" file loss or failure, it is recommended to regularly backup important files, use reliable antivirus software, maintain a stable computer system, and be cautious when handling files to avoid accidental deletions or modifications.

How to recover lost ".LISP" files?

Sometimes while working with a computer, laptop or other stationary or mobile devices, you may encounter various bugs, freezes, hardware or software failures, even in spite of regular updates and junk cleaning. As a result, an important ".LISP" file may be deleted.

Go to view
🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

By no means should you think that the only way to recover a ".LISP" file is always to create it once more.

Use programs for recovering ".LISP" files if a file was lost after accidental or deliberate deleting, formatting the memory card or the internal storage, cleaning the storage device, after a virus attack or a system failure.

Programs to recover ".LISP" files

Looking for a way to get files back? In cases when files were deleted and they cannot be restored by using standard operating system tools, use Hetman Partition Recovery.

The tool recovers data from any devices, regardless of the cause of data loss.

Follow the directions below:

  1. Download Hetman Partition Recovery, install and start the program.

  2. The program will automatically scan the computer and display all hard disks and removable drives connected to it, as well as physical and local disks.

    File Recovery Software
  3. Double-click on the disk from which you need to recover ".LISP" files, and select analysis type.

    Hetman Partition Recovery - Analysis Type
  4. When the scanning is over, you will be shown the files for recovery.

    Hetman Partition Recovery - Files that Can be Restored
  5. To find a file you need, use the program’s interface to open the folder it was deleted from, or go to the folder "Content-Aware Analysis" and select the required file type.

    Hetman Partition Recovery - Deep Scan
  6. Select the files you have been looking for and click "Recovery".

    File Recovery Software - Files List for Recovery
  7. Choose one of the methods for saving the files and recover them.

    Saving recovered files in Hetman Partition Recovery

How to open file with ".LISP" extension?

Looking for how to open a stereo lisp Source Code File image file file?

Programs that open ".LISP" files

Clozure CL Clozure CL
LispWorks LispWorks
Ufasoft Lisp Studio Ufasoft Lisp Studio
Clozure CL Clozure CL
LispWorks LispWorks
MacroMates TextMate MacroMates TextMate
Clozure CL Clozure CL
LispWorks LispWorks
File Viewer for Android File Viewer for Android

Additional Information

  • File type: Lisp Source Code File

  • File extension: .LISP

  • Developer: N/A

  • Category: Developer Files

  • Format: Text


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 13:34 #
    Leave a comment if you have any questions about Recovering lost .LISP files after deleting, cleaning or formatting!
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Vladimir Artiukh

Author: Vladimir Artiukh, Technical Writer

Vladimir Artiukh is a technical writer for Hetman Software, as well as the voice and face of their English-speaking YouTube channel, Hetman Software: Data Recovery for Windows. He handles tutorials, how-tos, and detailed reviews on how the company’s tools work with all kinds of data storage devices.

Oleg Afonin

Editor: Oleg Afonin, Technical Writer

Oleg Afonin is an expert in mobile forensics, data recovery and computer systems. He often attends large data security conferences, and writes several blogs for such resources as xaker.ru, Elcomsoft and Habr. In addition to his online activities, Oleg’s articles are also published in professional magazines. Also, Oleg Afonin is the co-author of a well-known book, Mobile Forensics - Advanced Investigative Strategies.


Questions and answers

  • What is .LISP Recovery and how does it work?

    .LISP Recovery is a feature in the Locator/ID Separation Protocol (LISP) that provides a mechanism for recovering from failures in the LISP mapping system. LISP is a networking protocol that separates the device's identity (ID) from its location (locator), allowing for efficient routing and mobility support.

    In LISP, the mapping system is responsible for mapping the device's ID to its current locator(s). However, if the mapping system fails, devices may lose connectivity and fail to communicate with each other. .LISP Recovery addresses this issue by allowing devices to continue functioning even when the mapping system is unavailable.

    .LISP Recovery works by using a combination of caching and control plane mechanisms. When the mapping system fails, devices can use cached mapping information to continue forwarding packets based on the last known locator(s) for a given ID. This caching mechanism helps maintain connectivity even in the absence of the mapping system.

    Additionally, .LISP Recovery includes control plane mechanisms that allow devices to detect and recover from failures in the mapping system. These mechanisms involve exchanging control messages to monitor the availability of the mapping system and trigger recovery procedures when necessary. This ensures that devices can adapt to changes in the mapping system's availability and continue operating smoothly.

    Overall, .LISP Recovery is a crucial component of the LISP protocol that enables devices to maintain connectivity and recover from failures in the mapping system, ensuring reliable communication even in challenging network conditions.

  • What are the common reasons for data loss in .LISP files and how can recovery be performed?

    Common reasons for data loss in .LISP files include accidental deletion, file corruption, software or hardware failure, and system crashes. Recovery can be performed through the following methods:

    1. Check the recycle bin or trash: If the .LISP file was deleted but not permanently erased, it might be found in the recycle bin or trash folder. Simply restore the file to its original location.
    2. Backup files: If you have a backup system in place, restore the .LISP file from the most recent backup. This ensures that you can retrieve the file with minimal data loss.
    3. Version control systems: If you use version control systems like Git or SVN, you can retrieve an earlier version of the .LISP file from the repository. This is useful if the file was accidentally modified or overwritten.
    4. Data recovery software: If the .LISP file is lost due to file corruption or system failure, you can use data recovery software. These tools scan your storage device for deleted or lost files and attempt to recover them. Examples of such software include Recuva, EaseUS Data Recovery Wizard, or Disk Drill.
    5. Professional data recovery services: In severe cases where the .LISP file cannot be recovered using software methods, you can seek the help of professional data recovery services. These experts have specialized tools and techniques to recover data from damaged storage devices.

    To minimize the risk of data loss in .LISP files, it is recommended to regularly backup your files, use version control systems, and maintain a reliable storage device.

  • Are there any specific tools or software available for .LISP Recovery, and what are their features and limitations?

    Yes, there are several tools and software available for .LISP recovery. Here are a few examples along with their features and limitations:

    1. LispWorks: LispWorks is a development environment and runtime system for Common Lisp. It provides tools for debugging, profiling, and recovering from errors in Lisp programs. It supports cross-platform development and has a comprehensive set of libraries and utilities. However, LispWorks is a commercial product and may have limitations in terms of cost and platform support.
    2. SLIME (Superior Lisp Interaction Mode for Emacs): SLIME is a popular development environment for Common Lisp that runs inside Emacs. It offers features like code navigation, debugging, and error recovery. SLIME is open-source and has a large community of developers, making it highly customizable and extensible. However, it requires familiarity with Emacs and may have a learning curve for new users.
    3. Allegro CL: Allegro CL is a commercial implementation of Common Lisp. It provides a range of development tools, including a debugger and error recovery mechanisms. Allegro CL is known for its performance and optimization capabilities. However, it is a proprietary software and may have limitations in terms of cost and platform support.
    4. SBCL (Steel Bank Common Lisp): SBCL is an open-source implementation of Common Lisp. It includes a built-in debugger and error handling features. SBCL is known for its performance and portability across different platforms. However, it may have a smaller set of development tools compared to commercial offerings.
    5. CLISP: CLISP is another open-source implementation of Common Lisp. It provides a debugger and error handling facilities. CLISP is known for its portability and compatibility with various operating systems. However, it may have limitations in terms of performance and development tools compared to commercial implementations.

    It's important to note that the choice of tool or software for .LISP recovery may depend on factors such as your specific requirements, budget, and platform compatibility. It's recommended to evaluate the features, limitations, and support options of each tool before making a decision.

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