print string once

[xenia]

hi all,
I have a file with e.g. 5 rows. Amongst other output I want to display the words "2nd part" at a specific point in the output, once. I tried PRINT but it prints "2nd part" 5 times ie. as many rows as there are in the file. I tried
LOOP #I=1 TO 1.
PRINT / '2nd part'.
END LOOP.

but it still prints 5 times, along with the fact that it does not immediately execute the command but does so after the next one has been executed. I also tried DISPLAY but I can't do it. Any ideas?

[David Marso]

The LOOP ... END LOOP is performed for EACH case in the file!
Do what I suggested yesterday!!!
I am not going to repeat myself here.
--

xenia wrote

hi all,
I have a file with e.g. 5 rows. Amongst other output I want to display the words "2nd part" at a specific point in the output, once. I tried PRINT but it prints "2nd part" 5 times ie. as many rows as there are in the file. I tried
LOOP #I=1 TO 1.
PRINT / '2nd part'.
END LOOP.

but it still prints 5 times, along with the fact that it does not immediately execute the command but does so after the next one has been executed. I also tried DISPLAY but I can't do it. Any ideas?

[Rick Oliver-3]

PRINT is not executed until some command that requires a data pass is encountered, and a loop cannot contain a command that requires a data pass, since it's part of the transformation language, but...

loop #i=1 to 5.
do if #i=2.
print  / '2nd part'
end if.
end loop.

Rick Oliver
Senior Information Developer
IBM Business Analytics (SPSS)
E-mail: [hidden email]



From:        xenia <[hidden email]>
To:        [hidden email],
Date:        11/20/2012 11:42 AM
Subject:        print string once
Sent by:        "SPSSX(r) Discussion" <[hidden email]>

---

hi all,
I have a file with e.g. 5 rows. Amongst other output I want to display the
words "2nd part" at a specific point in the output, once. I tried PRINT but
it prints "2nd part" 5 times ie. as many rows as there are in the file. I
tried
LOOP #I=1 TO 1.
PRINT / '2nd part'.
END LOOP.

but it still prints 5 times, along with the fact that it does not
immediately execute the command but does so after the next one has been
executed. I also tried DISPLAY but I can't do it. Any ideas?



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[xenia]

You suggested FIRST in MATCH FILE if my variable starts from 2, but I can easily make it start from 1, so didn't do that. For the PRINT problem you suggested enclosing in DO IF, END IF, which is what I isolated and described here, but it still does not do what I want.

[xenia]

I do that but it says "transformations pending" and won't print "2nd part".
I try :

loop #i=1 to 5.
do if #i=2.
print  / '2nd part'.
end if.
end loop.
SAVE OUTFILE='H:\projects\a.sav'
 /COMPRESSED.

and again it prints 5 times, not once.

On 20 November 2012 17:59, Rick Oliver <[hidden email]> wrote:

PRINT is not executed until some command that requires a data pass is encountered, and a loop cannot contain a command that requires a data pass, since it's part of the transformation language, but...

loop #i=1 to 5.
do if #i=2.
print  / '2nd part'
end if.
end loop.

Rick Oliver
Senior Information Developer
IBM Business Analytics (SPSS)
E-mail: [hidden email]



From:        xenia <[hidden email]>
To:        [hidden email],
Date:        11/20/2012 11:42 AM
Subject:        print string once
Sent by:        "SPSSX(r) Discussion" <[hidden email]>

---

hi all,
I have a file with e.g. 5 rows. Amongst other output I want to display the
words "2nd part" at a specific point in the output, once. I tried PRINT but
it prints "2nd part" 5 times ie. as many rows as there are in the file. I
tried
LOOP #I=1 TO 1.
PRINT / '2nd part'.
END LOOP.

but it still prints 5 times, along with the fact that it does not
immediately execute the command but does so after the next one has been
executed. I also tried DISPLAY but I can't do it. Any ideas?

--
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[David Marso]

By opening a new thread you have destroyed the context of your inquiry.
<recap>
You have repeated values of an id and you wish to analyze each id separately and have labeling along the way.
</recap>
Where your variable starts is unimportant!!!
SORT CASES BY ID.
MATCH FILES / FILE * / FIRST=@TOP@ / BY ID.
DO IF @TOP@.
PRINT ID.
END IF.
---

xenia wrote

You suggested FIRST in MATCH FILE if my variable starts from 2, but I can easily make it start from 1, so didn't do that. For the PRINT problem you suggested enclosing in DO IF, END IF, which is what I isolated and described here, but it still does not do what I want.

[David Marso]

You are not paying attention!!!
The transformations are performed for EVERY CASE unless otherwise specified (ie DO IF...)
OTOH!!!! Rick's LOOP biz is generated for each case!!!
Comprendes?
---

xenia wrote

I do that but it says "transformations pending" and won't print "2nd part".
I try :

loop #i=1 to 5.
do if #i=2.
print  / '2nd part'.
end if.
end loop.
SAVE OUTFILE='H:\projects\a.sav'
 /COMPRESSED.

and again it prints 5 times, not once.


On 20 November 2012 17:59, Rick Oliver <[hidden email]> wrote:

> PRINT is not executed until some command that requires a data pass is
> encountered, and a loop cannot contain a command that requires a data pass,
> since it's part of the transformation language, but...
>
> loop #i=1 to 5.
> do if #i=2.
> print  / '2nd part'
> end if.
> end loop.
>
> Rick Oliver
> Senior Information Developer
> IBM Business Analytics (SPSS)
> E-mail: [hidden email]
>
>
>
> From:        xenia <[hidden email]>
> To:        [hidden email],
> Date:        11/20/2012 11:42 AM
> Subject:        print string once
> Sent by:        "SPSSX(r) Discussion" <[hidden email]>
> ------------------------------
>
>
>
> hi all,
> I have a file with e.g. 5 rows. Amongst other output I want to display the
> words "2nd part" at a specific point in the output, once. I tried PRINT but
> it prints "2nd part" 5 times ie. as many rows as there are in the file. I
> tried
> LOOP #I=1 TO 1.
> PRINT / '2nd part'.
> END LOOP.
>
> but it still prints 5 times, along with the fact that it does not
> immediately execute the command but does so after the next one has been
> executed. I also tried DISPLAY but I can't do it. Any ideas?
>
>
>
> --
> View this message in context:
> http://spssx-discussion.1045642.n5.nabble.com/print-string-once-tp5716352.html
> Sent from the SPSSX Discussion mailing list archive at Nabble.com.
>
> =====================
> To manage your subscription to SPSSX-L, send a message to
> [hidden email] (not to SPSSX-L), with no body text except the
> command. To leave the list, send the command
> SIGNOFF SPSSX-L
> For a list of commands to manage subscriptions, send the command
> INFO REFCARD
>
>
>

[xenia]

yes, I understand, however that was my reply to R.Oliver which I tried out and replied to before I read your second reply. The loop is for every case from 1 to 5, but there is a do if #i=2 in there, so it "says" print only for #i=2, so shouldn't the print be executed only once, even if it is within the loop?  i takes the value 2 once. Except if I'm interpreting the meaning of the do if #i=2 wrong.

[David Marso]

Part of the problem here is that you opened a new thread with a partial question from a previous thread.
Hence, Rick perhaps did not have the necessary context to understand your conundrum.
----
"yes, I understand"...
Are you positive about that?
--
#i in your data with 5 ROWS takes the value of 2 precisely 5 times.
Hence printed 5 times.

"Except if I'm interpreting the meaning of the do if #i=2 wrong."
That would seem to be the case!.

xenia wrote

yes, I understand, however that was my reply to R.Oliver which I tried out and replied to before I read your second reply. The loop is for every case from 1 to 5, but there is a do if #i=2 in there, so it "says" print only for #i=2, so shouldn't the print be executed only once, even if it is within the loop?  i takes the value 2 once. Except if I'm interpreting the meaning of the do if #i=2 wrong.

[Melissa Ives]

Does using a comment (and having 'Display syntax in log' option checked) not work?

-----Original Message-----
From: SPSSX(r) Discussion [mailto:[hidden email]] On Behalf Of xenia
Sent: Tuesday, November 20, 2012 11:29 AM
To: [hidden email]
Subject: [SPSSX-L] print string once

hi all,
I have a file with e.g. 5 rows. Amongst other output I want to display the words "2nd part" at a specific point in the output, once. I tried PRINT but it prints "2nd part" 5 times ie. as many rows as there are in the file. I tried LOOP #I=1 TO 1.
PRINT / '2nd part'.
END LOOP.

but it still prints 5 times, along with the fact that it does not immediately execute the command but does so after the next one has been executed. I also tried DISPLAY but I can't do it. Any ideas?



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