cmd line rename file with date and time

Question

Project moving forwards  I can see why creating  bat files to do things can become addictive  I can now save somefile txt at regular intervals  I then rename somefile txt by adding the time and date to create a unique file name  ren somefile txt somefile  time  0 2  time  3 2 - date  -10 2  date  3 2  date  -4 4  txt   As an example  the code above has just renamed somefile txt to somefile 1317 13022011 txt  1317hrs on 13th February 2011   I ran  ren somefile txt somefile  time  0 2  time  3 2 - date  -10 2  date  7 2  date  -4 4  txt    yesterday  it ran successfully until midnight  and then it crashed  syntax error  although it was saving as 12012011 for the date  12th Jan 2011  instead of the correct date of 12022011   Will the current version ran past midnight  Am I confusing myself with UK vs US date format

User · Answer

I took the above but had to add one more piece because it was putting a space after the hour which gave a syntax error with the rename command. I used:

    set HR=%time:~0,2%
    set HR=%Hr: =0% 
    set HR=%HR: =%
    rename c:\ops\logs\copyinvoices.log copyinvoices_results_%date:~10,4%-%date:~4,2%-%date:~7,2%_%HR%%time:~3,2%.log

This gave me my format I needed: copyinvoices_results_2013-09-13_0845.log

User · Answer

ls   xargs -I   mv      date   d b Y    One line is enough  ls all files dirs under current dir and append date to each file

User · Answer

problem in  time  0 2  can t set to 24 hrs format  ended with space 1-9   instead of 0 1-9   go around with   set HR  time  0 2   set HR  Hr   0    replace space with 0 if any  lt has a space in between    0 gt    then replace  time  0 2  with  HR   good luck

User · Answer

following should be your right solution  ren somefile txt  somefile  time  0 2  time  3 2 - DATE     txt

User · Answer

I tried to do the same    lt fileName gt   lt ext gt  -- gt   lt fileName gt   lt date gt   lt time gt   lt ext gt     I found that    rename  s   w      w    1   date    Y m d  H M S   2

User · Answer

Animuson gives a decent way to do it  but no help on understanding it  I kept looking and came across a forum thread with this commands   Echo Off IF Not EXIST n  dbfs doekasp txt GOTO DoNothing  copy n  dbfs doekasp txt n  history doekasp txt  Rem rename command is done twice  2  to allow for 1 or 2 digit hour  Rem If before 10am  1digit  hour Rename starting at location  0  for  2  chars  Rem will error out  as location  0  will have a space Rem and space is invalid character for file name  Rem so second remame will be used  Rem Rem if equal 10am or later  2 digit hour  then first remame will work and second will not Rem as doekasp txt will not be found  remamed    ren n  history doekasp txt doekasp- date  4 2 - date  7 2 - date  10 4     time  0 2 h time  3 2 m time  6 2 s  txt ren n  history doekasp txt doekasp- date  4 2 - date  7 2 - date  10 4     time  1 1 h time  3 2 m time  6 2 s  txt   I always name year first YYYYMMDD  but wanted to add time  Here you will see that he has given a reason why 0 2 will not work and 1 1 will  because  space  is an invalid character  This opened my eyes to the issue  Also  by default you re in 24hr mode   I ended up with   ren Logs txt Logs- date  10 4  date  7 2  date  4 2   time  0 2  time  3 2  txt ren Logs txt Logs- date  10 4  date  7 2  date  4 2   time  1 1  time  3 2  txt   Output   Logs-20121707 1019

User · Answer

Digging up the old thread because all solutions have missed the simplest fix     It is failing because the substitution of the time variable results in a space in the filename  meaning it treats the last part of the filename as a parameter into the command    The simplest solution is to just surround the desired filename in quotes  filename     Then you can have any date pattern you want  with the exception of those illegal characters such as           I would suggest reverse date order YYYYMMDD-HHMM   ren  somefile txt   somefile- date  10 4  date  7 2  date  4 2 - time  0 2  time  3 2  txt

[date] cmd line rename file with date and time

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