UDL(1)                     Commands and Applications                    UDL(1)


       udl - convert text files between different architectures


       udl -u|m|g [ -RvpVh ] file1 [ file2 ...  ]


       udl  converts  files between different computer systems by changing the
       EOL (End-Of-Line) character.

       On the Apple IIgs, udl will skip any file that is not of  type  TXT  or
       SRC.   No  notice  is  given of this unless the -v flag is used.  Since
       UNIX file systems do not have file types udl is limited in the types of
       checks  which  it  can carry out, so the user must take care that it is
       not invoked on object files or the like.  On both  platforms,  if  file
       appears to be a binary file (that is, no EOL is found in the first part
       of the file) then file will be skipped.  Again, no notice is  given  of
       this unless the -v flag is used.

       During  file conversion udl creates a temporary file in the same direc-
       tory as the original file.  The temporary file is close to  or  exactly
       the same size as the original file.

       When  running  under  Byteworks' ORCA shell, the ORCA shell wildcards =
       and ?  are properly expanded in file names.


       -u     Convert to use LF as EOL (UNIX/Amiga).

       -m     Convert to use CR/LF as EOL (MS-DOS).

       -g     Convert to use CR as EOL (Apple).

       -p     Be pedantic, only affects UNIX<->Apple conversions, see below.

       -R     Recurse through subdirectories.

       -v     Be verbose, show the file udl is currently working on.

       -V     Print out udl's version number and abort.

       -h     Print out usage information for udl.

       If you specify the -p switch, udl is pedantic while doing  the  conver-
       sion. This means: The input file may contain bytes with a value of zero
       (0), and the input file may contain different EOL characters  (ie:  MS-
       DOS  and  UNIX style might be mixed in one file). For conversions to or
       from MS-DOS udl is always pedantic, so this  only  affects  conversions
       from  UNIX  to  Apple or vice versa. Being pedantic slows udl down by a
       factor of 1.5.


       When running under GNO on the Apple IIgs, there is a limit to the nest-
       ing depth when recusing on subdirectories.  This is because the routine
       that is responsible for this behavior is itself recursive.  The default
       2k stack size will allow about 33 levels of nested directories, so this
       limit should not normally be a problem.  If the limit is exceeded,  udl
       will  exit  with  an  error  message  before any files are changed, and
       before the stack actually overflows.


       Bug reports should be directed to one of the two addresses below.


       Soenke Behrens <sbehrens@bigfoot.com> with contributions by Devin Reade


       This manual page documents udl version 1.1.6.

GNO                            11 December 1997                         UDL(1)

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