@rem csvsort.bat
@rem RJM Programming - January, 2015
@rem Defaults to three comma separated fields to sort and default csv3.bat and vsc3.bat as written
@rem Usage: csvsort[.bat] [[numFields] [rowsToSkip]] inputCSVFilename [fieldNumberOfSort] [/n] [/r]
@rem Defaults: /n does numerical sort and /r reverses the sort
@rem Defaults: rowsToSkip=0 fieldNumberOfSort=1 (starting at 1) numFields=3 (if specified please also specify a rowsToSkip value)
@set three=3
@if trick%1==trick goto nomore
@set seo=%1
@if exist %seo% set seo=
@if trick%seo%==trick goto bitmore
@shift
:bitmore
@if exist %1 goto yesmore
@set three=%seo%
@set seo=%1
@shift
@if exist %1 goto yesmore
@goto nomore
:yesmore
@if trick%seo%==trick0 set seo=
@if exist mytemp.xxx erase mytemp.xxx
@if trick%2==trick @csv%three% %seo% %1 | sort | find /V "usebackq " >> mytemp.xxx
@if trick%2==trick @goto pastbits
@if trick%3%4==trick/r/n @csv%three% %seo% %1 %2 %4 | sort %3 | find /V "usebackq " >> mytemp.xxx
@if trick%4%3==trick/r/n @csv%three% %seo% %1 %2 %3 | sort %4 | find /V "usebackq " >> mytemp.xxx
@if trick%3%4==trick/r @csv%three% %seo% %1 %2 %4 | sort %3%4 | find /V "usebackq " >> mytemp.xxx
@if trick%3%4==trick/n @csv%three% %seo% %1 %2 %3%4 | sort | find /V "usebackq " >> mytemp.xxx
@if trick%3%4==trick @csv%three% %seo% %1 %2 | sort | find /V "usebackq " >> mytemp.xxx
:pastbits
@vsc%three% mytemp.xxx %2
goto theend
:nomore
@echo One of first three parameters should have filename %1
:theend