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Annotation of researchv10no/cmd/sort/README, revision 1.1

1.1     ! root        1: Posix P1003.2-compatible sort utility from Unix research v10 system.
        !             2: 
        !             3: To build it:
        !             4:        make sort
        !             5: To test it:
        !             6:        make test
        !             7: 
        !             8: sort.1 is manual source; sort.man is the formatted version of it
        !             9: 
        !            10: Typical problems:
        !            11:        On some systems the ANSI standard functions memmove.c
        !            12:        and strtoul.c are slow or absent.  Code for these
        !            13:        functions is included; use it if you have to
        !            14:        (see Makefile).
        !            15: 
        !            16:        The sorttest suite uses awk as described in the
        !            17:        Aho/Kernighan/Weinberger book.  Older versions of awk
        !            18:        will fail, possibly even dumping core.  It tries awk
        !            19:        and nawk and gawk before giving up.
        !            20: 
        !            21:        ANSI header files are assumed, but because headers
        !            22:        vary among systems, you may have to do some clever
        !            23:        rearrangement of #include directives.
        !            24: 
        !            25: Notes on "make fast":
        !            26:        Standard IO is used for portability, despite the cost in
        !            27:        speed.  The make file tries "make fast", and if that fails
        !            28:        does "make slow".  Make fast uses a private addition
        !            29:        to the classic System V stdio, not universally portable.
        !            30:        In extreme cases (very long records in nearly sorted
        !            31:        order) it can run 40% faster than the "make slow" version.
        !            32: 
        !            33: Report troubles to:
        !            34:        Doug McIlroy
        !            35:        908 582 6050
        !            36:        research!doug
        !            37:        [email protected]

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