NAME sumart - Visualise a checksum SYNOPSIS sumart [rows columns] [checksum] DESCRIPTION The sumart utility creates a visualisation of a checksum using symbols and colours in a grid. If no checksum is specified, it is read from the standard input. Any symbol that is not a hexadecimal digit is silently discarded from the checksum. OPTIONS The sumart utility conforms to the Base Definitions volume of POSIX.1-2024, Section 12.2, Utility Syntax Guidelines. No options are supported. OPERANDS The following operands are supported: rows The number of rows tall the visualisation should be. colums The number of columns wide the visualisation should be. checksum The checksum to visualise. EXIT STATUS 0 Successful completion. 1 An error occurred. SEE ALSO None.