Postman's Sort
Postman's Sort is a LINEAR TIME general purpose file sorting program
for PC compatible computers. Incorporating this program in your
applications can save you time, money and guarantee high performance
in your applications that do sorting.
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Typically two to four times as fast other sorting programs.
For example, a file of 100,000 records each 180 bytes long
can be sorted in 4 seconds on a 200MHz Pentium Pro.
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Runs standalone or called from another program
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No limit on file size
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Fixed, Variable, and Data Delimited file types
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Field types accommodated include alphabetic, signed and unsigned binary,
packed decimal, ascii numeric, ieee floating point among others.
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Flexible and Natural specification of sorting fields and collating
sequences from command line or command file.
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All versions exploit all available system memory to minimize sorting time.
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Can be used as a standalone sorting utility, called from another
program, called as a subroutine or called as a co-routine.
The Postman's Sort is especially useful on LARGE files where
time saved is the greatest.
Versions are available for DOS, Windows 3.1, Win/95/98/NT, OS/2
and UNIX. To view the manual for a particular version, click the corresponding
button below:
DOS
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- psort.exe for traditional 16 bit dos systems
- psort3.exe uses 32 bit instructions and extended memory
- OS/2
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- psortos2.exe is a console mode OS/2 program
- Windows 3.1
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- psortw.exe is a command line windows program
- psortw.dll is a DLL that you call from your C/C++ and Visual
Basic programs.
- Windows 95/98/NT
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- psortnt.exe is a console mode program. It uses all the
capabilities of the Win 32 system.
- psortwnt.exe is a command line GUI program. It uses the
psortnt.dll. The source to this C language source for this
program is included as example of how to call the psortman's
Sort DLLS.
- psortnt.dll can be called from your own C/C++ and Visual Basic
programs. Sample programs are included.
- this version will run under Windows 3.1 if the Microsoft
Win32s
package is installed.
- UNIX
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