$err()

DESCRIPTION
    returns the error condition string "<<ERR>>"

SYNOPSIS
    $err()

ARGUMENTS
    none

EXAMPLES

# pikt +C 'output $err()'
<<ERR>>        

# pikt +C 'output $dayname(0)'
Jun 25 05:17:50 hamburg pikt[14073]: [ID 7202 ERROR] (../../../src/piktd/expr.y, line 3047,
exprparse()) in $dayname(), , non-integer or out-of-bounds argument: 0.000000
<<ERR>>

# pikt +C 'output $dayname(0)' 2>/dev/null
<<ERR>>

# pikt +C 'output $dayname(1)'
Sunday

        rule
                if $dayname(#dn) ne $err()
                        set $dn = $dayname(#dn)
                fi

SEE ALSO
    $nil()

    String Functions
    Numerical Functions