| .skip [message #23623] |
Sun, 28 January 2001 11:46 |
Mark Fardal
Messages: 51
Registered: October 1995
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Member |
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Hi,
The .SKIP command doesn't behave quite the way I would prefer.
It doesn't behave as advertised either, although for a different reason.
What it is supposed to do is to skip one statement, or N statements if
you give it an argument N, and then execute 1 statement. I would
prefer that it not execute that one statement. It seems silly--after
all, you are usually just going to type .continue--and who's to say
that you won't decide to skip the next statement too. Besides, it's
not called .skip-and-execute-one. The usual argument about preserving
backwards code compatability don't apply here, since .SKIP can't be
invoked from a program.
But anyway, what it actually does when you type IDL> .SKIP [N]
is to skip N statements, and then execute N statements. Oops.
This is with IDL 5.2.1L on Debian linux.
Before I submit a bug report, I thought I would ask whether people
would like the feature change suggested above as well as the bug fix.
Or are people emotionally attached to the current behavior?
thanks,
Mark
PS: here's a simple example to demonstrate the behavior:
pro junk
print, 'line 2'
print, 'line 3'
print, 'line 4'
print, 'line 5'
print, 'line 6'
print, 'line 7'
print, 'line 8'
print, 'line 9'
print, 'line 10'
end
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