countLines.py

#!/usr/bin/env python3
#countLines.py
if __name__ != "__main__": exit(0)
from time import time
from os import walk as folderIterate
from os.path import isdir, exists, join as pathJoin, relpath, getsize
from sys import argv

def countLinesInFolderRecursively(rootIn):
    lineCountFolder=0
    byteCountFolder=0
    if not exists(rootIn): return None
    if not isdir(rootIn): return False
    for root, dirs, files in folderIterate(rootIn,topdown=True):
        currentRel=relpath(root,rootIn)
        for fi in files:
            fileInPath=pathJoin(root,fi)
            with open(fileInPath,"r") as file:
                lineCountFile=len(open(fileInPath).readlines())
                byteCountFile=getsize(fileInPath)
                lineCountFolder+=lineCountFile
                byteCountFolder+=byteCountFile
                print("{}: {} lines, ({} Bytes)".format(fileInPath,lineCountFile,byteCountFile))
    return lineCountFolder,byteCountFolder

if len(argv) < 2: exit()
lCTInst,bCTInst=0,0
lineCountTotal=0
byteCountTotal=0
for i in range(1,len(argv)):
    lCTInst,bCTInst=countLinesInFolderRecursively(argv[i])
    lineCountTotal+=lCTInst
    byteCountTotal+=bCTInst
print("line count is now {} lines total! ({:.2f} kiB)".format(lineCountTotal,byteCountTotal/1024))