NAME
Catmandu::Fix::Condition::exists - only execute fixes if the path exists
SYNOPSIS
# uppercase the value of field 'foo' if the field 'oogly' exists
if_exists('oogly');
upcase('foo'); # foo => 'BAR'
end()
# inverted
unless_exists('oogly');
upcase('foo'); # foo => 'bar'
end()