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     IDIFF(1)                                                 IDIFF(1)

     NAME
          idiff - interactive file comparison

     SYNOPSIS
          idiff [ option ] file1 file2

     DESCRIPTION
          Idiff compares file1 with file2 using diff, then presents
          each set of changed lines for selection or processing.
          File2 may be a directory; in that case, the basename of
          file1 is appended.

          For each group, legal responses are

          <    to retain the `from' lines

          >    to retain the `to' lines

          e    to edit both sets of lines

          d    to delete both sets

          1    to retain the rest of the `from' file

          2    to retain the rest of the `to' file

          !    to invoke a shell command

          Lines that compare equal are copied verbatim from file1.
          Lines produced by this process, including the lines written
          from within the editor, are written to file idiff.out. Com-
          parison may be affected by the diff(1) options

          -b   Ignore trailing blanks (spaces and tabs) and treat
               other strings of blanks as if they were a single space.

          -B   Ignore all blanks.

     FILES
          There is no way to revisit a choice.