!Compare
v0.27 (29 Apr 2001)
The !Compare application enables files to be compared and differences listed in a variety of formats quickly and easily.
It was originally written to provide an easy way to identify those subtle, simple changes made between program versions which then bite back!
It was changed from a command-line program to a Wimp application, and considerably enhanced in the process.
The comparison types are:
- Byte - simple byte-by-byte comparison. The difference display is in Hex and Character formats.
- Word - simple word-by-word comparison. The difference display is in Hex and Character formats.
- Line - simple line-by-line comparison. The difference display is in Character format.
- Block - line-by line comparison, but if a difference is found it attempts to find the next lines which are the same to re-synchronise the comparison. The difference display is in Character format, identifying blocks of different lines.
- Basic - as for Block, but the difference display will de-tokenise Basic programs.
- Code - as for Block, but the difference display will disassemble words.
It should be easy to add more comparison types if required.
The differences are written to a file which is displayed, and then may be printed, kept or deleted as required.
Tested on RISC OS 4 and 5.
*new* Revised Help information in StrongHelp format for ease of use.
Compare control window
An example of the main control window for !Compare ...
Change History
v0.10 26/09/99 Initial Alpha test version
v0.11 29/09/99 Created Block compare from Basic then merged
v0.12 03/10/99 Initial Beta test version
v0.13 04/10/99 Corrected syntax error ok in Basic v1.18
v0.14 09/10/99 Stopped error loop. Improved Progress messages
v0.15 09/10/99 Added variables. Allowed Output update
v0.16 10/10/99 Tidy up
v0.17 16/10/99 Added MaxLines variable and Compressed
v0.18 04/11/99 Added Word and Code Comparisons
v0.19 08/11/99 Catered better for Byte/Word/Line different file lengths
v0.20 09/11/99 First Public Beta test
v0.21 11/11/99 Allowed <> in output, Fixed Menu position & Process key, Removed Quit from window
v0.22 14/11/99 Used OS_CRC for checksum calculation
v0.23 01/09/00 Changed !Help to StrongHelp format and updated it
v0.24 02/04/01 Allowed 2 files to be dragged. Coloured Attributes. Corrected Status redraw and Basic string detokenise.
v0.26 25/04/01 Changed BasicRead to use GET$ not BGET (-30% time)
v0.27 29/04/01 Changed Block compares to reduce storage (-??% time). 32 bit OK
How to obtain Compare
To download please click on
!Compare (20 kByte Zip Archive)
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E&OE. © Copyright Martin Avison, 2005.
Last updated: Fri 29th April 2005
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