How to do something to each file in a directory with a batch script

Question

How do you iterate over each file in a directory with a  bat or  cmd file   For simplicity please provide an answer that just echoes the filename or file path

User · Answer

Alternatively  use   forfiles  s  m   png  c  cmd  c echo  path    The forfiles command is available in Windows Vista and up

User · Answer

Easiest method   From Command Line  use   for  f in       do echo  f   From a Batch File  double up the   percent signs    for   f in       do echo   f   From a Batch File with folder specified as 1st parameter   for   f in   1      do echo   f

User · Answer

I had some malware that marked all files in a directory as hidden system readonly  If anyone else finds themselves in this situation  cd into the directory and run for  f  delims     f in   forfiles   do attrib -s -h -r  f

User · Answer

Use   for  r path   var in       do some command   var   with    path being the starting path    var being some identifier      being a filemask OR the contents of a variable  some command being the command to execute with the path and var concatenated as parameters

User · Answer

Alternatively  use   forfiles  s  m   png  c  cmd  c echo  path    The forfiles command is available in Windows Vista and up

User · Answer

Use   for  r path   var in       do some command   var   with    path being the starting path    var being some identifier      being a filemask OR the contents of a variable  some command being the command to execute with the path and var concatenated as parameters

User · Answer

Easiest method   From Command Line  use   for  f in       do echo  f   From a Batch File  double up the   percent signs    for   f in       do echo   f   From a Batch File with folder specified as 1st parameter   for   f in   1      do echo   f

User · Answer

I had some malware that marked all files in a directory as hidden system readonly  If anyone else finds themselves in this situation  cd into the directory and run for  f  delims     f in   forfiles   do attrib -s -h -r  f

User · Answer

Command line usage   for  f  f in   dir  b c     do echo  f   Batch file usage   for  f   f in   dir  b c     do echo   f   Update  if the directory contains files with space in the names  you need to change the delimiter the for  f command is using  for example  you can use the pipe char   for  f  delims      f in   dir  b c     do echo   f   Update 2   quick one year and a half after the original answer  -   If the directory name itself has a space in the name  you can use the usebackq option on the for   for  f  usebackq delims      f in   dir  b  c  program files    do echo   f   And if you need to use output redirection or command piping  use the escape char       for  f  usebackq delims      f in   dir  b  c  program files     findstr  i microsoft   do echo   f

User · Answer

Command line usage   for  f  f in   dir  b c     do echo  f   Batch file usage   for  f   f in   dir  b c     do echo   f   Update  if the directory contains files with space in the names  you need to change the delimiter the for  f command is using  for example  you can use the pipe char   for  f  delims      f in   dir  b c     do echo   f   Update 2   quick one year and a half after the original answer  -   If the directory name itself has a space in the name  you can use the usebackq option on the for   for  f  usebackq delims      f in   dir  b  c  program files    do echo   f   And if you need to use output redirection or command piping  use the escape char       for  f  usebackq delims      f in   dir  b  c  program files     findstr  i microsoft   do echo   f

User · Answer

Another way   for  f in    mp4  do call ffmpeg -i    f  -vcodec copy -acodec copy    nf avi

User · Answer

Use   for  r path   var in       do some command   var   with    path being the starting path    var being some identifier      being a filemask OR the contents of a variable  some command being the command to execute with the path and var concatenated as parameters

User · Answer

Command line usage   for  f  f in   dir  b c     do echo  f   Batch file usage   for  f   f in   dir  b c     do echo   f   Update  if the directory contains files with space in the names  you need to change the delimiter the for  f command is using  for example  you can use the pipe char   for  f  delims      f in   dir  b c     do echo   f   Update 2   quick one year and a half after the original answer  -   If the directory name itself has a space in the name  you can use the usebackq option on the for   for  f  usebackq delims      f in   dir  b  c  program files    do echo   f   And if you need to use output redirection or command piping  use the escape char       for  f  usebackq delims      f in   dir  b  c  program files     findstr  i microsoft   do echo   f

User · Answer

Use   for  r path   var in       do some command   var   with    path being the starting path    var being some identifier      being a filemask OR the contents of a variable  some command being the command to execute with the path and var concatenated as parameters

User · Answer

Another way   for  f in    mp4  do call ffmpeg -i    f  -vcodec copy -acodec copy    nf avi

User · Answer

Command line usage   for  f  f in   dir  b c     do echo  f   Batch file usage   for  f   f in   dir  b c     do echo   f   Update  if the directory contains files with space in the names  you need to change the delimiter the for  f command is using  for example  you can use the pipe char   for  f  delims      f in   dir  b c     do echo   f   Update 2   quick one year and a half after the original answer  -   If the directory name itself has a space in the name  you can use the usebackq option on the for   for  f  usebackq delims      f in   dir  b  c  program files    do echo   f   And if you need to use output redirection or command piping  use the escape char       for  f  usebackq delims      f in   dir  b  c  program files     findstr  i microsoft   do echo   f

[windows] How to do something to each file in a directory with a batch script

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