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  1. or download this
    C:\Old_Data\perlp>perl -we "print( ($ARGV[1] - $ARGV[0])%24 <=8)" 22,0
+2
Argument "22,02" isn't numeric in subtraction (-) at -e line 1.
Use of uninitialized value in subtraction (-) at -e line 1.
1
  2. or download this
    C:\Old_Data\perlp>perl -we "print( ($ARGV[1] - $ARGV[0])%24 <=8)" 22 0
+2
1
  3. or download this
    C:\Old_Data\perlp>perl -e "print( ($ARGV[1] - $ARGV[0])%24)" 22 02
4