78 lines
1.4 KiB
Batchfile
78 lines
1.4 KiB
Batchfile
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@echo off
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setlocal
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if "%1" == "" goto usage
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rem -- detect whether 4Dos/NT or CMD is the shell
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if %@eval[2+2] == 4 goto altshell
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rem -- iterate thru specified files, with CMD
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for /f "tokens=1,2 delims=-" %%i in ("x%1") do (set back=%%j&set beg=%%i)
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if not "%beg%" == "x" goto usage
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if "%back%" == "" goto usage
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set /a bogus=back
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if not "%bogus%" == "%back%" goto usage
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shift
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if not "%2" == "" goto usage
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for /f "tokens=1,2 delims=#" %%i in ('sd files %1') do call :doit %1 %%j
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goto :eof
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:doit
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@echo off
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rem -- subroutine: do appropriate diffs
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for /f "tokens=1,2" %%i in ("%2") do set head=%%i
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set /a beg=head - back
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:loopbeg
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set /a rev=beg
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set /a beg=beg + 1
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sd diff2 %1#%rev% %1#%beg%
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if not %beg% == %2 goto loopbeg
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goto :eof
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:altshell
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rem -- iterate thru specified files, with 4Dos/NT
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iff %@left[1,%1] == - then
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set back=%@eval[0-(0%1)]
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if %back == 0 goto usage
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shift
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else
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goto usage
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endiff
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if not "%2" == "" goto usage
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set SDCOMPTMPFILE=%temp%\~sdcomp.tmp
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sd files %1 > %SDCOMPTMPFILE%
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for /f "tokens=1,2 delims=#" %%i in ( %SDCOMPTMPFILE% ) do gosub perfile
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*del /q %SDCOMPTMPFILE%
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goto :eof
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:perfile
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@echo off
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rem -- subroutine: do appropriate diffs
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set head=%@word[0,%j]
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set beg=%@eval[%head - %back + 1]
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do rev = %beg to %head
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sd diff2 %1#%@dec[%rev] %1#%rev
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enddo
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return
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:usage
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echo SDCOMP - emulate subset of scomp for use with Source Depot.
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echo Syntax: SDCOMP -n filespec
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echo Works backward, getting the last n diffs to filespec.
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