Sure, read the documentation for Ruby Exception class on rubydoc:
http://www.ruby-doc.org/core/
The first listed method is backtrace which has filename:lineno
def method_foo
begin
f = File.open('/some/non-existent/file')
rescue
puts "Message: " + $!.to_s
$!.backtrace.each {|l| puts l.to_s}
end
end
Message: No such file or directory - /some/non-existent/file
test.rb:4:in `initialize'
test.rb:4:in `open'
test.rb:4:in `method_foo'
test.rb:13
-Charley
On 3/3/07, vijay <[EMAIL PROTECTED]> wrote:
Hello people,
Is there a way in Watir by which one can capture the line number of the
code that threw an exception? We can get the actual message in the
exception from the gloabl variable '$!'. Can we get the code's line number,
which caused this exception, from some other global variable?
For example, the following code:
begin
print z
rescue
puts "The exception message was " + $!.to_s
end
would output the message,
'The exception message was undefined local variable or method `z' for
#<Object:0x2ac9258>'.
But without the 'begin -- rescue class;, the code would have printed the
error message,
'file_name.rb:117 (or some other line number): undefined local variable or
method `z' for #<Object:0x2ac9258> (NameError)
I want to use the 'begin -- rescue class' and still get the exact line
number along with the error message. Is that possible?
Thanks for your time,
Vijay.
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