FChop – Script driven file grabbing utility

This program is free for private non commercial use
Use at Your own risk
The author is not responsible for any damages and/or data loss

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FChop 2.1   03.Mai.2005
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Should be useful for file splitting, joining, merging, patching....

Usage:
FChop script_file  =>  process 'script_file' default: 'FChop.job'
FChop con          =>  process commands 'typed in' / end with <Ctrl-Z>
FChop /c           =>  display list of commands which could be used
                       for scripting

Comments & bug reports:
-----------------------
[email protected]


Command Summary:
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:Read   in.ext           ; open 'in.ext'  for reading
:ReadB  in2.ext          ; as above: open 2nd source file for reading
:Write  out.ext          ; open 'out.ext' for writing
:Create out.ext          ; open 'out.ext' for writing
                            ; existing file will be truncated to lenght 0
:Wpos  {end}{+/-}{offset}; position file pointer for writing to 'offset'
                            ; preceding '+' or '-' means 'from current position'
                            ; 'end +' or 'end -' means from 'end of file'
:Rpos  {end}{+/-}{offset}; as above: for reading
:RposB {end}{+/-}{offset}; as above: for reading 2nd source file

:Copy   {max_size}       ; copy until end of file (or optional 'max_size')
:CopyB  {max_size}       ; as above: copy from 2nd source file
:From   hex_pattern      ; set read pointer to 1st occurrence of 'hex_pattern'
                            ; will point to end of file if not found
:FromB  hex_pattern      ; as above: for reading 2nd source file
:UpTo   hex_pattern      ; copy until 'hex_pattern' is encountered excluding
                            ; 'hex_pattern' itself
:UpToB  hex_pattern      ; as above: for reading 2nd source file
:Fill   hex_pattern      ; write 'hex_pattern' to output file
:SkipDup {distance}      ; can only be used after a 'copy' smaller 8K byte
                            ; will search (an optional 'distance') for a duplicate
                            ; of the last copied block an move read pointer behind

:Repeat {n} command(s)   ; repeat 'command(s)' (optional 'n' times)
                            ; 'commands' will be processed from left to right
                            ; read/write filename in this line will be counted up

:System DOS-command      ; execute DOS-command
                            ; no more internal commands on the same line will be recogniced

Number Format:           1G = 1024 M = 1048.576K = 0x4000.0000
--------------           '.' ignored / for better readability only

Hex Pattern Format:   000001ba = 00000.1.ba
-------------------   hex digits are processed as pairs from left to right
                         '.' and blanks for better readability only
                         no byte swapping / no word/double word conversion