Python 3 script to remove unused files. Example: remove old pictures from a project.

remove-unused-files.py

import os

dirName = '/home/dir/project'
imageFormats = ['.png', '.jpeg', '.gif', '.svg', '.jpg']
imagesIgnore = ['node_modules', 'build']

sourceIncludes = ['.js', '.php', '.html']
sourceIgnore = ['node_modules', 'build']


def getListOfFiles(dirName, includeList, excludingList):
    listOfFile = os.listdir(dirName)
    allFiles = list()
    for entry in listOfFile:
        fullPath = os.path.join(dirName, entry)
        if os.path.isdir(fullPath):
            allFiles = allFiles + getListOfFiles(fullPath, includeList, excludingList)
        elif any(x in fullPath for x in includeList) and not(any(x in fullPath for x in excludingList)):
            allFiles.append(fullPath)

    return allFiles

def fileHasString(filePath, string):
    with open(filePath) as f:
        filecontent = f.read()
        return string in filecontent

listOfImages = getListOfFiles(dirName, imageFormats, imagesIgnore)
listOfSourceFiles = getListOfFiles(dirName, sourceIncludes, sourceIgnore)

listOfActiveImages = list()

for filePath in listOfSourceFiles:
    for imagePath in listOfImages:
        string = os.path.basename(imagePath)
        has = fileHasString(filePath, string)
        if has and imagePath not in listOfActiveImages: listOfActiveImages.append(imagePath)

listOfDisactiveImages = list()

for image in listOfImages:
    if image not in listOfActiveImages: listOfDisactiveImages.append(image)

for imagePath in listOfDisactiveImages:
    print(imagePath)
    # os.remove(imagePath)