能否在非R Shiny的R脚本中设置只读注释？

Hey there! Great question—since plain R scripts are just plain text files, there’s no built-in way to mark specific comments as strictly uneditable. But don’t worry, there are several practical workarounds to make your critical notice hard to miss and discourage unintended edits:

1. Make the Notice Impossible to Ignore with Visual Highlighting #

Wrap your notice in heavy, distinct formatting using characters like #, =, or * to create a visual barrier. This makes the comment stand out so much that users are far less likely to edit it by accident. Example:

##############################################################################
# !!! WARNING: DO NOT EDIT THIS SECTION !!!
# This is a critical notice for all users of this script.
# Modifying these comments or associated code may break core functionality.
##############################################################################

2. Store the Notice in a Separate System-Read-Only File #

Move your full list of precautions to a standalone text file (e.g., CRITICAL_NOTES.txt), then set that file to system-level read-only (right-click > Properties > Read-only on Windows; chmod -w CRITICAL_NOTES.txt on Linux/macOS). Then add a clear pointer in your R script:

# ----------------------------------------------------------------------------
# BEFORE RUNNING THIS SCRIPT: Please review the 'CRITICAL_NOTES.txt' file
# This notes file is set to read-only to preserve critical information.
# ----------------------------------------------------------------------------

3. Add Runtime Reminders That Can’t Be Removed Easily #

Even if a user edits the script comments, you can force the notice to appear every time the script runs using message() or warning() functions. This ensures the user sees the notice regardless of script edits:

# Display critical notice on script launch
message("\n=============================================")
message("!!! IMPORTANT: DO NOT MODIFY THIS SCRIPT !!!")
message("Refer to the attached notes for usage guidelines.")
message("=============================================\n")

# Rest of your script code below...

4. Package the Script with Locked Documentation (For Formal Distribution) #

If you’re distributing the script widely, bundle it into an R package. You can include your notice in the package’s DESCRIPTION file or a dedicated vignette. Users typically don’t modify core package files, so this adds an extra layer of protection for your critical notes.

While none of these methods make the comments technically uneditable, they effectively communicate the importance of preserving the notice and reduce the chance of accidental or intentional edits.

内容的提问来源于stack exchange，提问作者kgr