CodeLineCounter.py

# > lines_of_code_counter.py .h .cpp
# Total lines:   15378
# Blank lines:   2945
# Comment lines: 1770
# Code lines:    10663

# Change this value based on the comment symbol used in your programming
# language.
commentSymbol = "#"

import sys
import os, os.path

acceptableFileExtensions = sys.argv[1:]
if not acceptableFileExtensions:
    print('Please pass at least one file extension as an argument.')
    quit()

currentDir = os.getcwd()

filesToCheck = []
for root, _, files in os.walk(currentDir):
    for f in files:
        fullpath = os.path.join(root, f)
        if '.git' not in fullpath:
            for extension in acceptableFileExtensions:
            	if fullpath.endswith(extension):
                    filesToCheck.append(fullpath)

if not filesToCheck:
    print( 'No files found.')
    quit()

lineCount = 0
totalBlankLineCount = 0
totalCommentLineCount = 0

print('')
print('Filename\tlines\tblank lines\tcomment lines\tcode lines')

for fileToCheck in filesToCheck:
    with open(fileToCheck) as f:

        fileLineCount = 0
        fileBlankLineCount = 0
        fileCommentLineCount = 0

        for line in f:
            lineCount += 1
            fileLineCount += 1

            lineWithoutWhitespace = line.strip()
            if not lineWithoutWhitespace:
                totalBlankLineCount += 1
                fileBlankLineCount += 1
            elif lineWithoutWhitespace.startswith(commentSymbol):
                totalCommentLineCount += 1
                fileCommentLineCount += 1

        print(os.path.basename(fileToCheck) + \
              "\t" + str(fileLineCount) + \
              "\t" + str(fileBlankLineCount) + \
              "\t" + str(fileCommentLineCount) + \
              "\t" + str(fileLineCount - fileBlankLineCount - fileCommentLineCount))

print('_____________________________________________')
print('\nScan for all files with fileextension: ' + str(acceptableFileExtensions[0]) + ' finished!')
print('Your Scanresults')
print('---------------------------------------------')
print('Fileextension: ' + str(acceptableFileExtensions[0]))
print('Lines:         ' + str(lineCount))
print('Blank lines:   ' + str(totalBlankLineCount))
print('Comment lines: ' + str(totalCommentLineCount))
print('Code lines:    ' + str(lineCount - totalBlankLineCount - totalCommentLineCount))
print('---------------------------------------------\n\n')