Change - A Command-Line Tool to Replace Text in Files
The "change" program is a simple yet powerful command-line tool written in Go that allows you to perform text replacement in files. With this tool, you can quickly and easily replace occurrences of a specific string with another string within a given file.
Usage: Usage: change <string_to_replace>
Features:
- Easy to Use: The "change" program is designed to be straightforward and user-friendly. Simply provide the filename, the string to be replaced, and the replacement string as command-line arguments.
- In-Place Modification: The program directly modifies the content of the specified file in-place, ensuring that the changes are applied directly to the original file.
- Powerful Text Replacement: The program uses Go's built-in
strings.ReplaceAllfunction to perform a global replacement of the specified string with the replacement string. This means that all occurrences of the search string within the file will be replaced. - Error Handling: The "change" program includes robust error handling to provide helpful feedback to the user in case of any issues, such as file reading or writing errors.
How to Use:
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Make sure you have Go installed on your system.
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Save the provided source code into a file named
change.go. -
Open your terminal or command prompt and navigate to the directory containing
change.go. -
Compile and run the program using the Go compiler:
go run change.go <string_to_replace>
Replace , <string_to_replace>, and with the appropriate values.
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The program will read the contents of the specified file, perform the replacement, and write the modified contents back to the file.
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A success message will be displayed, informing you about the number of occurrences changed.
The "change" program simplifies the process of replacing text in files, making it a valuable tool for developers, sysadmins, and anyone who needs to perform bulk text replacements efficiently.