caocmai / batch-rename

A Go project to batch rename files of specified filetype within specified folder.

Batch Rename

This Go program renames all files of specified file type and stores them into a new folder.

Prerequisites

• Go - v1.16

Usage

To use this program, provide the information to the flag items. The filetype flag is the only required flag, and when an input folder is not specified it looks at the root of the project directory for files of that file type. All other flags are optional.

Project Flags

A list of all the flags and their usage for this project

Flag	Default Value	Helper Text
filetype	nil	[Required] Enter filetype you want to rename, ie .txt
inputFolder	""	Enter the folder of files to rename
outputFolder	"output_files"	Enter folder name to store renamed files in
renameFileAs	"renamed_file"	What to call the renamed files

Flag Explanation

filetype - the program will look for files of this file type
inputFolder - the program will look for files inside this folder. NOTE: folder must be at root of project. If one is not provided then program will look for the files at the root of project
outputFolder - the program will store all renamed files into this folder
renameFileAs - the renamed files will start with this string

Example Usage

Case 1: If you want to rename all .jpg files in a folder called pictures.

In terminal run:

$ go run main.go -filetype=.jpg -inputFolder=pictures

You can use other flags to customize renaming of files, if not they will take the default values, shown in the Flags Table above.

Case 2: If you want to rename all .jpg files in a folder called pictures to something that starts with Vacation_2021_XX and save all the renamed files into a folder called Vacation2021.

In terminal run:

$ go run main.go -filetype=.jpg -inputFolder=pictures -ouputFolder=Vacation2021 -renameFileAs=Vacation_2021

Note

This project has only been tested on a Mac machine.

Additional Resources

• Slides
• Detailed Usage Writeup