Eberhard Sturm The New PL/I
IT
From Enterprise Architecture to IT Governance by Klaus D. Niemann
Understanding MP3 ...
68 downloads
920 Views
4MB Size
Report
This content was uploaded by our users and we assume good faith they have the permission to share this book. If you own the copyright to this book and it is wrongfully on our website, we offer a simple DMCA procedure to remove your content from our site. Start by pressing the button below!
Report copyright / DMCA form
Eberhard Sturm The New PL/I
IT
From Enterprise Architecture to IT Governance by Klaus D. Niemann
Understanding MP3 by Martin Ruckert
Process Modeling with ARIS by Heinrich Seidlmeier
Microsoft Dynamics NAV by Paul M. Diffenderfer and Samir El-Assal
www.viewegteubner.de
Eberhard Sturm
The New PL/I ... for PC, Workstation and Mainframe With 80 illustrations
Bibliographic information published by the Deutsche Nationalbibliothek The Deutsche Nationalbibliothek lists this publication in the Deutsche Nationalbibliografie; detailed bibliographic data are available in the Internet at http://dnb.d-nb.de.
This book is the expanded and improved 7th edition of the German book "Das neue PL/I" (© Vieweg+Teubner l GWV Fachverlage GmbH, Wiesbaden 2008) now offered to the English speaking audience by the original author.
1st Edition 2009 All rights reserved © Vieweg +Teubner | GWV Fachverlage GmbH, Wiesbaden 2009 Editorial Office: Sybille Thelen | Walburga Himmel Vieweg+Teubner is part of the specialist publishing group Springer Science+Business Media. www.viewegteubner.de No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the copyright holder. Registered and/or industrial names, trade names, trade descriptions etc. cited in this publication are part of the law for trade-mark protection and may not be used free in any form or by any means even if this is not specifically marked. Cover design: KünkelLopka Medienentwicklung, Heidelberg Printing company: Krips b.v., Meppel Printed on acid-free paper Printed in the Netherlands ISBN 978-3-8348-0726-7
Preface ! "# # #$%&' ()* + ",# () " .
" "" / 01 # 0 2 3." , #" - # "01 , - 24$151$,# " . 6# " - " , . # 7, " " "# 01 #0 01 #2 .", # # 7, ##) " . $#0 )"# )" 01 .)" 01 #2 #
) )" ,. ,# ##,#
#
,# 01 #7, "" .
# #," /0 1,8,3. # - ,# #
# ", " ,. ) ,# , )"#01 ) "" , ,. 9 , ,# )" " # ",
,", # , #"" #," " ,# ,
01 #." ", # , ", , /
#3#" /#3.
,# ) , . ' , " ,# " 4 # #
- .
01
# .' :"# 5" 04# 05
;
1&;8B;> ), ! % %0 " ). ! % )1( 82; )A
! % .0 1;3* 7 )+ ! )& )+ ! ) $ 7< ! 0! & 1 ! &%. ! &
1.5 Distinction of cases ,"" " , " # ", .,
)" " ,#" # .5 # " ,"" 01 ="#'.
1.5.1 Either, or – the IF statement 5 )" #"" = "EVI E3 E(
"E # , .I0 0 +0 )! !! !
. ! ) !" ,"# ," # , , " # = 3 # $ &D # & ," ," #,"# G C # ,", ,#.$ ,",,#.4.. /%' 0 !J% (
$" ," # ,",= /0O %34(
3.2.5 As in the Munchausen story – recursive procedures 5 " ", # ," - ) " = "I3 I]3 " 3" ]3 ]
5 -" )=LG& =L" * , @!BL.9 ," # ,"," 01 " ," = /' J' :" % %""'% %' 8 ", 4' :( '8", % & ( "83I
( /'8 8( /'(
%' ' : , "# " ""/'/' " .$ ,"/ #3 , ,"+ " ," ="" ,# ,, )",#. "" #"
B.!,", 01
@!B
# ,
K )", ,# ,
"= /' :" % %""'% %' 8 ", 4( '8", % & ( '", ( '/", 4( /3( %3-%8( /3/ ( ( /( /'(
" " , " , )" , ,#", ", .#" @! # , ". @!G &@!BLMI6@J@?@@@! W L6J??@I??* ',", 4G $", # " " # . , ", " ," ) . # C , # . #IL## "#"" # + # .
)" .$,) , ##,# # . "" !# "# "= , # # ,) # ,) . # , ,#
, ,) # # # =
origin pile
,)
( 0=&'#F
# "# # # " .
## "" # < # G,)", # , # !IL @ . $
, # " # )@?@! 7,#, ##G " , , # C ,# ,
@?# " , # . ,# , ,@, " - # IL# ,#, ,B? &@??? ,*.
@!L
B. " # ,",
"#, , . , = ,# ,# )" # # #,# .9 , # ", "#&.., ,)*, ,##,# . # ,# ,", ' ", ,",," )B6 = 4) G%%"L %J.PJ %' %% ( " % #F& 72E ,!72G&7( 'L %42 F& 72 E ,!72 G&7( L % J'K ! %"K %' O 2F& 2E ,2G&' :(
'O ", % & ( 'F& 2E ,2G& !# % & ( "O U :! & %% % ,! 'L %O 2F& 2G&2E ,( K%&' K
" # " , " "# " " &" # & K* , ' ,-," "## . # $%, ", # 01 ,", %1 .( ,, ,,# " , ###" = ' ' -2 -L &'HI ND
$@J= 5 " , , -# = 3 ,