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January 01, 2002

Writing CGI Scripts in REXX (Web Techniques, May 1996)

(Page 16 of 23)

Writing CGI Scripts in REXX, Listing 4 (Web Techniques, May 1996)

Web Techniques Magazine

May 1996

Volume 1, Issue 2





Writing CGI Scripts in REXX 




Listing Four





/* ReadForm


Reads in GET or POST data, converts plus signs (+) to spaces,


converts %XX encoded characters to unescaped text.


Returns the converted input if there is any, else returns ''.


*/


ReadForm: PROCEDURE


  /* Read in text */


  IF MethGet() THEN In=GETENV('QUERY_STRING')


  ELSE IF MethPost() THEN In=CHARIN(,1,GETENV('CONTENT_LENGTH'))


  ELSE RETURN ''


RETURN DeWeb(TRANSLATE(In,' ','+'))





/* MethGet


   Return true if this cgi call was using the GET request, false otherwise


*/


MethGet: PROCEDURE


   RETURN 'GET'=GETENV('REQUEST_METHOD')





/* MethPost


   Return true if this cgi call was using the POST request, false otherwise


*/


MethPost: PROCEDURE


  RETURN 'POST'=GETENV('REQUEST_METHOD')



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