replacetxt.py

#!/usr/bin/env python3

import glob
import os
import sys

strPath=""
count=0

if sys.argv[1]=="--help":
  print("ReplaceTxt v1.oo (22-Nov-2022) by Zeb/SLP\n")
  print("Usage:",sys.argv[0],"<dir> <oldtxt> <newtxt>")
else:
#  print("Arguments:",len(sys.argv))
#  print("Arguments:",str(sys.argv))
  strPath=sys.argv[1]
  strSource=sys.argv[2]
  strTarget=sys.argv[3]
  if os.path.exists(strPath):
    lstFiles=glob.glob(strPath+"/*.*")
    lstFiles.sort()
    if len(lstFiles)>0:
      print("Processing",len(lstFiles),"files...")
      for old in lstFiles:
        new=old.replace(".CDG",".cdg")
        new=new.replace(".MP3",".mp3")
        if new.find(strSource)>-1:
          new=new.replace(strSource,strTarget)
          count+=1
#          print(f"Replaced '{strSource}' with '{strTarget}' in '{new}'")
#          print("OLD:",old)
#          print("NEW:",new)
          try:
            os.rename(old,new)
          except:
            print(f"ERROR: Unable to rename '{old}' as '{new}'")
      print("Renamed",count,"files.")
    else:
      print("ERROR: Unable to find any files")
  else:
    print(f"ERROR: Directory '{sys.argv[1]}' doesn't exist")