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Man Pages


Manual Reference Pages  -  STAG-AUTOSCHEMA.PL (1)

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NAME

stag-autoschema - writes the implicit stag-schema for a stag file

CONTENTS

SYNOPSIS



  stag-autoschema -w sxpr sample-data.xml

  stag-autoschema -dtd sample-data.xml



DESCRIPTION

Takes a stag compatible file (xml, sxpr, itext), or a file in any format plus a parser, and writes out the implicit underlying stag-schema

stag-schema should look relatively self-explanatory.

Here is an example stag-schema, shown in sxpr syntax:



  (db
   (person*
    (name "s"
    (address+
     (address_type "s")
     (street "s")
     (street2? "s")
     (city "s")
     (zip? "s")))))



The database db contains zero or more persons, each person has a mandatory name and at least one address.

The cardinality mnemonics are as follows:
+ 1 or more
? 0 or one
* 0 or more
The default cardinality is 1

ARGUMENTS

-p|parser FORMAT FORMAT is one of xml, sxpr or itext, or the name of a perl module

xml assumed as default

-dtd exports schema as DTD
-w|writer FORMAT FORMAT is one of xml, sxpr or itext, or the name of a perl module, OR DTD

The default is sxpr

note that stag schemas exported as xml will be invalid xml, due to the use of symbols *, +, ? in the node names

LIMITATIONS

not event based - memory usage becomes exhorbitant on large files; prepare a small sample beforehand

POD ERRORS

Hey! <B>The above document had some coding errors, which are explained below:B>
Around line 137: Expected text after =item, not a bullet
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perl v5.20.3 STAG-AUTOSCHEMA (1) 2009-12-14

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