#error()

DESCRIPTION
    returns TRUE (1), if evaluating the function argument produces an error;
    FALSE (0) otherwise

SYNOPSIS
    #error(s)

    or:

    #error(n)

ARGUMENTS
    s - a quoted string, or string expression

    or:

    n - a number, or numerical expression

EXAMPLES

# pikt +C 'output $text(#error(#err()))'
1

# pikt +C 'output $text(#error(#even(2.5)))'
1

# pikt +C 'output $text(#error($monthname(12)))'
0

# pikt +C 'output $text(#error($monthname(13)))'
1

# pikt +C 'output $text(#error($pwname(-1)))'
1

# pikt +C 'output $text(#error($checksum(6,"/etc/passwd")))'
1

# pikt +C 'output $text(#error($char(-1)))' 1

# pikt +C 'output $text(#error($chop("foobar",-2)))'
1

SEE ALSO
    #defined()
    #err()
    #nil()

    Numerical Functions
    String Functions