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bdiff man page

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User Commands                                            bdiff(1)



NAME
     bdiff - big diff

SYNOPSIS
     bdiff filename1 filename2 [n] [-s]

DESCRIPTION
     bdiff is used in a manner analogous to diff  to  find  which
     lines  in  filename1  and filename2 must be changed to bring
     the files into agreement. Its purpose is to allow processing
     of  files too large for diff. If filename1 (filename2) is -,
     the standard input is read.

     bdiff ignores lines common to the beginning of  both  files,
     splits  the remainder of each file into n-line segments, and
     invokes diff on corresponding  segments.  If  both  optional
     arguments are specified, they must appear in the order indi-
     cated above.

     The output of bdiff is  exactly  that  of  diff,  with  line
     numbers  adjusted to account for the segmenting of the files
     (that is, to make it look as if the files had been processed
     whole). Note:  Because of the segmenting of the files, bdiff
     does not necessarily find a smallest sufficient set of  file
     differences.

OPTIONS
     n        The number of line segments. The value of n is 3500
              by default. If the optional third argument is given
              and it is numeric, it is used as the value  for  n.
              This  is  useful  in those cases in which 3500-line
              segments are too large  for  diff,  causing  it  to
              fail.



     -s       Specifies that no diagnostics are to be printed  by
              bdiff  (silent  option).  Note:  However, this does
              not  suppress  possible  diagnostic  messages  from
              diff, which bdiff calls.



USAGE
     See largefile(5) for the  description  of  the  behavior  of
     bdiff  when  encountering  files  greater than or equal to 2
     Gbyte ( 2**31 bytes).

FILES
     /tmp/bd?????





SunOS 5.10          Last change: 14 Sep 1992                    1






User Commands                                            bdiff(1)



ATTRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:

     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | Availability                | SUNWesu                     |
    |_____________________________|_____________________________|
    | CSI                         | enabled                     |
    |_____________________________|_____________________________|


SEE ALSO
     diff(1), attributes(5), largefile(5)

DIAGNOSTICS
     Use help for explanations.





































SunOS 5.10          Last change: 14 Sep 1992                    2





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