CLI
printHelp
Print
printVersion
parseArgv
Help
Version
Input
Range
Count
XlsxExtractor
constructor
Invalid XLSX
extract
Index out of range: lower
Index out of range: upper
Sheet: 1
Sheet: 2
XlsxUtil
createEmptyCells
Create empty cells
getSheetSize
From dimension
Calculate from cells
numOfColumn
X
AB
ZZ
Non numeric