How to rename multiple . mp3 files by replacing the first argument of each one’s name with a sequential order of numbers

Question

Imagine we had these files in a folder:

2 arquivoABC.mp3
1 arquivoCBA.mp3
3 arquivoBAC.mp3
0 arquivoBCA.mp3

So how could we make the names stay that way:

1 arquivoABC.mp3
2 arquivoCBA.mp3
3 arquivoBAC.mp3
4 arquivoBCA.mp3

How to do using batch?

Answer 1

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Welcome to the SO platform

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Supposing that the string in the names (ABC,CBA,BAC,BCA) sane:

• Exactly those and only those in this sequence

1) Implement a counter

2) list the mp3 files filters in the loop strings in desired sequence: ABC,CBA,BAC,BCA

3) remove the first 2 characters

4) seven the desired sequence

5) renaming

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Obs.: Edit the command: Set "_path_mp3=."

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Substituting the value: "=." for "=drive:\pasta\onde\tem\os\mp3s"

So that it stays: set "_path_mp3=drive:\pasta\onde\tem\os\mp3s"

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| Reordenar.cmd: |

@echo off && setlocal enabledelayedexpansion 

cd /d "%~dp0" & set "_path_mp3=." & cd /d "!_path_mp3!" & set /a "_cnt=0"

for %%F in (ABC,CBA,BAC,BCA)do for /f "tokens=*delims= " %%i in ('where .:"*.mp3" ^| find /i "%%F"')do (
     set /a "_cnt+=1" && set "_arq_=%%~ni"
     set "_cmd_ren_[!_cnt!]=rename "%%~fi""
     set "_arq_[!_cnt!]=!_arq_:~2,-3!%%F.mp3")

for /l %%L in (1 1 !_cnt!)do !_cmd_ren_[%%L]! "%%L !_arq_[%%L]!" & where .:"%%L !_arq_[%%L]!" /t

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| Resulta: |

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