BS ISO/IEC BRITISH STANDARD 1539-2:2000 Information technology D Programming languages D Fortran D Part 2: Varying length character strings ICS35.060 BSI NOCOPYING WITHOUT BSIPERMISSION EXCEPT AS PERMITTEDBY COPYRIGHT LAW BS ISO/IEC 1539-2:2000 National foreword the UK national standard. The UK participationin its preparation was entrusted to Technical CommitteeIST/5, Programminglanguauges, Their Environments and System Software, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in theUK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthe section entitled aInternational Standards Correspondence Index°, or by using the aFind° facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users ofBritish Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO/IEC title page, pages i to vi, pages 1 to 20, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. This British Standard, having Amendments issued since publication beenprepared underthe direction ofthe DISC Board, was Amd. No. Date Comments published under the authority of the Standards Committee and comes into effecton 15 November 2000 @BSI11-2000 ISBN0580366758 ISO/IEC INTERNATIONAL STANDARD 1539-2 Second edition 2000-06-01 Information technology Programming languages Fortran - Part 2: Varying length character strings Technologies de I'information- Langages de programmation- Fortran - Partie 2:Chaines de caracteres de longueur variable Reference number ISO/IEC 1539-2:2000(E) IEC ISO/IEC 1539-2:2000(E) ii ISO/IEC 1539-2:2000(E) CONTENTS Scope 2 Normative References 3 Requirements 3.1 The Name of the Module .. 3.2 The Type 3.3 Extended Meanings for Intrinsic Operators .. 3.3.1 3.3.2 Concatenation.. 3.3.3 Comparisons.. 3.4 Extended Meanings for Generic Intrinsic Procedures.. 3.4.1 ADJUSTL (string)... 3.4.2 ADJUSTR (string)... 3.4.3 CHAR (string [, length]) 3.4.4 IACHAR (.) ........ 3.4.5 ICHAR (......... 3.4.6 INDEX (string, substring [, back]). 3.4.7 LEN (string)..... 3.4.8 LEN_TRIM (string) ... 3.4.9 LGE (string_a, string_b) 3.4.10 LGT (string_a, string_b) 3.4.11 LLE (string_a, string_b). 3.4.12 LLT (string_a, string_b) .. 3.4.13 REPEAT (string, ncopies) ... 3.4.14 SCAN (string, set [, back)).... 9 3.4.15 TRIM (string).... 3.4.16 VERIFY (string, set [, back]).. 10 3.5 Additional Generic Procedure for Type Conversion.... 3.5.1 VAR_STR (char.) .... 3.6 Additional Generic Procedures for Input/Output.. 3.6.1 GET (string [, maxlen, iostat) or GET (unit, string [, maxlen, iostat)) or GET (string, set [, separator, maxlen, iostat) or GET (unit, string, set [, separator, maxlen, iostat) .11 3.6.2 PUT (string [, iostat)) or PUT (unit, string [, iostat). .12 3.6.3PUT_LINE (string [, iostat]) or PUT_LINE (unit, string [, iostat)) 3.7 Additional Generic Procedures for Substring Manipulation 3.7.1 EXTRACT (string [, start, finish]) 3.7.2 INSERT (string, start, substring). .13 3.7.3 REMOVE (string [, start, finish]) . 3.7.4 REPLACE (string, start, substring) or REPLACE (string, start, finish, substring) or REPLACE (string, target, substring [,every, back]). ii IS0/IEC 1539-2:2000(E) 3.7.5SPLIT (string, word, set [, separator, back)) ....15 Annex A (informative). Module ISO_VARYING_STRIN