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Re: Begin statement [message #3263 is a reply to message #3260]

Wed, 04 January 1995 23:46

sigut
Messages: 12
Registered: February 1994

Junior Member

In article <3efcu3$6br@post.gsfc.nasa.gov> thompson@orpheus.nascom.nasa.gov
(William Thompson) writes:
>>
>> I think, it is only allowed to use BEGIN and END statements
>> in procedures and functions. I found nothing to this point
>> in the User's Guide...
>
> Actually, on can use BEGIN and END statements from the command line, but one
> has to fit in the entire command onto a single command line, e.g.
>
> IDL> FOR I=1,10 DO BEGIN & PRINT,I & HELP,I & ENDFOR
>
> If one can't fit the entire loop onto a single line, then one needs to write a
> procedure, either by editing a file or by using .RUN, e.g.
>
> IDL> .RUN
> - FOR I=1,10 DO BEGIN
> - PRINT, I

Actually you can write
for i=1,10 do begin & $
print, i & $ ... etc

With the &'s you make one line and with the $'s you split it when it
gets too long.

Regards, George

--
------------------------------------------------------------ ------------------
George M.Sigut ETH Informatikdienste, Beratung & Schulung, CH-8092 Zurich
Swiss Federal Inst. of Technology, Computing Services, User Support & Training
email: sigut@bs.id.ethz.ch Phone: +41 1 632 5763 Fax: +41 1 632 1225
>>>> >>>>> in case of email problems send the mail to "sigut@acm.org" <<<<<<<<<
------------------------------------------------------------ ------------------

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[Message index]

		Re: Begin statement By: zawodny on Fri, 06 January 1995 04:29
		Re: Begin statement By: gurman on Thu, 05 January 1995 10:45
		Re: Begin statement By: thompson on Wed, 04 January 1995 16:02
		Re: Begin statement By: sigut on Wed, 04 January 1995 23:46
		Re: Begin statement By: zawodny on Wed, 04 January 1995 12:36
		Re: Begin statement By: afl on Wed, 04 January 1995 12:32
		Re: Begin statement By: hartl on Wed, 04 January 1995 13:41

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