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.TH GLUHNCHECK 1 GLUHNCHECK
.SH NAME
gluhncheck \- Check number with Luhn's algorithm
.SH SYNOPSIS
.B gluhncheck
.SH DESCRIPTION
.B gluhncheck
is a graphical utility that checks that a number,
containing a check digit, is valid according to Luhn's algorithm.
.SH OPTIONS
The
.B gluhncheck
utility conforms to the Base Definitions volume of POSIX.1-2017,
.IR "Section 12.2" ,
.IR "Utility Syntax Guidelines" .
.PP
No options are supported.
.SH OPERANDS
No operands are supported.
.SH ENVIRONMENT VARIABLES
The execution of
.B gluhncheck
is affected by environment variables that
affects its tooltik.
.SH SEE ALSO
.BR luhncheck (1)
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