Windows command to convert Unix line endings

Question

Is there a Windows command to convert line endings of a file   We have a test bat which we need to run to start our server  We use Perforce and we need to have unix line endings in our workspace  For some reason  we are not allowed to change line endings to Windows in our workspaces  However  the server runs on Windows   Everytime I have to run the bat file  I open it in Notepad   and choose Edit rarr EOL conversion rarr Windows  Is there a way to automate this so that we won t need to manually change the line endings everytime we sync with Perforce   Thanks in advance

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Use unix2dos utility  You can download binaries here

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My contribution for this  converting several files in a folder   for   z in    txt  do  for  f  delims     i in    z  do  echo   i  gt   z tmp

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I m taking an AWS course and have frequently had to copy from text boxes in the AWS web forms to Windows Notepad   So I get the LF-delimited text only on my clipboard   I accidentally discovered that pasting it into my Delphi editor  and then hitting Ctrl K W will write the text to a file with CR LF delimiters    I ll bet many other IDE editors would do the same

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Here s a simple unix2dos bat file that preserves blank lines and exclamation points    echo off setlocal DisableDelayedExpansion for  f  tokens 1   delims      k in   findstr  n      1   do echo   l   The output goes to standard out  so redirect unix2dos bat output to a file if so desired   It avoids the pitfalls of other previously proposed for  f batch loop solutions by  1  Working with delayed expansion off  to avoid eating up exclamation marks  2  Using the for  f tokenizer itself to remove the line number from the findstr  n output lines      Using findstr  n is necessary to also get blank lines  They would be dropped if for  f read directly from the input file    But  as Jeb pointed out in a comment below  the above solution has one drawback the others don t  It drops colons at the beginning of lines   So 2020-04-06 update just for fun  here s another 1-liner based on findstr exe  that seems to work fine without the above drawbacks    echo off setlocal DisableDelayedExpansion for  f  tokens   delims 0123456789    l in   findstr  n      1   do echo  l   The additional tricks are  3  Use digits 0-9 as delimiters  so that tokens   skips the initial line number  4  Use the colon  inserted by findstr  n after the line number  as the token separator after the echo command   I ll leave it to Jeb to explain if there are corner cases where echo something might fail  -  All I can say is that this last version successfully restored line endings on my huge batch library  so exceptions  if any  must be quite rare

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Based on Endoro s answer but to keep the blanks  try this    echo off setlocal enabledelayedexpansion  for  f  tokens   delims      i in   findstr  n     file unix   do           set line   i         set line  line              echo  line             gt file dos

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For convert UNIX LF  to Windows CR-LF  use next command  type file txt  gt  new file txt

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This can actually be done very easily using the more command which is included in Windows NT and later   To convert input filename which contains UNIX EOL  End Of Line   n to output filename which contains Windows EOL  r n  just do this   TYPE input filename   MORE  P  gt  output filename   The more command has additional formatting options that you may not be aware of   Run more   to learn what else more can do

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Building on TampaHaze s and MD XF s helpful answers    This will change all  txt files in place in the current directory from from LF to CRLF in Command Prompt  for  f  f in   dir  b    txt    do   type  f   more  p  gt   f 1  amp  move  f 1  f     If you don t want to verify every single change      move   To      move  y   To include subdirectories change     dir  b   To     dir  b  s   To do all this in a batch file including subdirectories without prompting use below   echo off setlocal enabledelayedexpansion  for  f   f in   dir  s  b    txt    do       type   f   more  p  gt    f 1      move  y   f 1   f  gt  nul      echo Changing LF-  gt CRLF in File   f   echo  pause

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You could create a simple batch script to do this for you   TYPE  1   MORE  P  gt  1 1 MOVE  1 1  1   Then run  lt batch script name gt   lt FILE gt  and  lt FILE gt  will be instantly converted to DOS line endings

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Windows  MORE is not reliable  it destroys TABs inevitably and adds lines   unix2dos is part also of MinGW MSYS  Cygutils  GnuWin32 and other unix binary port collections - and may already be installed   When python is there  this one-liner converts any line endings to current platform - on any platform   TYPE UNIXFILE EXT   python -c  import sys  sys stdout write sys stdin read      gt  MYPLATFILE EXT   or  python -c  import sys  sys stdout write open sys argv 1   read     UNIXFILE EXT  gt  MYPLATFILE EXT   Or put the one-liner into a  bat   shell script and on the PATH according to your platform    REM This is any2here bat python -c  import sys  sys stdout write open sys argv 1   read      1   and use that tool like  any2here UNIXFILE EXT  gt  MYPLATFILE EXT

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Inserting Carriage Returns to a Text File   echo off set SourceFile  1 rem c  test test txt set TargetFile  2 rem c  test out txt  if exist   TargetFile   del   TargetFile   for  F  delims     a in   type   SourceFile     do call  Sub   a rem notepad   TargetFile   goto  eof    Sub echo  1  gt  gt    TargetFile   if   2      goto  eof shift goto sub

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I was dealing with CRLF issues so I decided to build really simple tool for conversion  in NodeJS    It s NodeJS EOL converter CLI  So if you have NodeJS with npm installed you can try it   npm i -g eol-converter-cli eolConverter crlf        txt js java etc     Path might be configured dynamically by using Glob regex  same regex as in shell    So if you can use NodeJS  it s really simple and you can integrate this command to convert whole workspace to desired line endings

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Late to the party  but there is still no correct answer using a FOR  F loop   But you don t need a FOR loop at all  the solution from  TampaHaze works too and is much simpler   The answer from  IR relevant has some drawbacks  It drops the exclamation marks and can also drop carets      echo off       setlocal Disabledelayedexpansion     for  f  tokens   delims     L in   findstr  n        1    do           set  line   L          setlocal enabledelayedexpansion         set  line  line                echo  line           endlocal          gt  file dos   The trick is to use findstr  n to prefix each line with  lt line number gt    this avoids skipping of empty lines or lines beginning with    To remove the  lt number gt   the FOR  tokens 1   delims    option can t be used  because this would remove all leading colons in a line  too     Therefore the line number is removed by set  line  line        this requires EnableDelayedExpansion  But with EnableDelayedExpansion the line set  line   L  would drop all exclamation marks and also carets  only when exclams are in the line      That s why I disable the delayed expansion before and only enable it for the two lines  where it is required   The  echo  line   looks strange  but has the advantage  that echo  can display any content in  line  and the outer parenthesis avoids accidentials whitespaces at the line end

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try this    for  f  delims    i in  file unix  do  echo  i  gt file dos   Session protocol    C  TEST xxd -g1 file unix 0000000  36 31 36 38 39 36 32 39 33 30 38 31 30 38 36 35  6168962930810865 0000010  0a 34 38 36 38 39 37 34 36 33 32 36 31 38 31 39   486897463261819 0000020  37 0a 37 32 30 30 31 33 37 33 39 31 39 32 38 35  7 72001373919285 0000030  34 37 0a 35 30 32 32 38 31 35 37 33 32 30 32 30  47 5022815732020 0000040  35 32 34 0a                                      524   C  TEST  for  f  delims    i in  file unix  do  echo  i  file dos  C  TEST xxd -g1 file dos 0000000  36 31 36 38 39 36 32 39 33 30 38 31 30 38 36 35  6168962930810865 0000010  0d 0a 34 38 36 38 39 37 34 36 33 32 36 31 38 31    48689746326181 0000020  39 37 0d 0a 37 32 30 30 31 33 37 33 39 31 39 32  97  720013739192 0000030  38 35 34 37 0d 0a 35 30 32 32 38 31 35 37 33 32  8547  5022815732 0000040  30 32 30 35 32 34 0d 0a                          020524

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You can do this without additional tools in VBScript   Do Until WScript StdIn AtEndOfStream   WScript StdOut WriteLine WScript StdIn ReadLine Loop   Put the above lines in a file unix2dos vbs and run it like this   cscript   NoLogo unix2dos vbs  lt C  path to input txt  gt C  path to output txt   or like this   type C  path to input txt   cscript   NoLogo unix2dos vbs  gt C  path to output txt     You can also do it in PowerShell    Get-Content  C  path to input txt   -replace   n     r n      Set-Content  C  path to output txt    which could be further simplified to this    Get-Content  C  path to input txt     Set-Content  C  path to output txt    The above statement works without an explicit replacement  because Get-Content implicitly splits input files at any kind of linebreak  CR  LF  and CR-LF   and Set-Content joins the input array with Windows linebreaks  CR-LF  before writing it to a file

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I cloned my git project using the git bash on windows  All the files then had LF endings  Our repository has CRLF endings as default   I deleted the project  and then cloned it again using the Windows Command Prompt  The CRLF endings were intact then  In my case  if I had changed the endings for the project  then it would ve resulted in a huge commit and would ve caused trouble for my teammates  So  did it this way  Hope this helps somebody

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If you have bash  e g  git bash   you can use the following script to convert from unix2dos   ex filename ext  lt  lt EOF  set fileformat dos  wq EOF   similarly  to convert from dos2unix   ex filename ext  lt  lt EOF  set fileformat unix  wq EOF

[windows] Windows command to convert Unix line endings?

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