Web Script Primitives

General User I/O¶

Primitive	Description
dialog	Creates a custom dialog box or HTML form for user input/output

Primitive	Description
say	Displays a message
asknumber	Asks the user to enter a number
askyesno	Asks the user a Yes/No question
asktext	Asks the user to enter a text string
askmultitext	Asks the user to enter a multiline text string
choose	Asks the user to choose an item from a list
readuserfile	Prompts a Web user for the name of a file and uploads its contents
redirect	Transfers the user to a Web page outside the active script
print	Appends text to the output buffer
flush	Displays the contents of the output buffer

Primitive	Description
writecookie	Writes data to the user's Web browser as a persistent cookie
readcookie	Reads a persistent cookie from the user's Web browser
env	Gets HTML request header data from the Web server
sessionid	Unique ID assigned to the session by the Web server
readhttp	Reads a document from the Internet via the HTTP protocol
mail	Sends an Internet e-mail message

Primitive	Description
dialogtemplate	HTML form text attached to a node
selecteditem	Extracts the selected drop-down menu item from a dialog result list
writelog	Appends text to the session history buffer
showlog	Contents of the session log buffer in HTML format

Primitive	Description
isweb	Returns true if the model is running as a Web application
dialogroot	Adds Back buttons to dialog input forms
branch	Creates a decision tree branch node

Primitive	Description
createhtmltable	HTML table presentation of matrix data
parsehtmltable	Parses an HTML table into matrix data
htmlencode	Replaces characters &, <, >, and " with HTML codes
htmldecode	Replaces HTML codes &, <, >, " with characters
escape	Replaces reserved characters in text strings with %nn codes
unescape	Replaces %nn codes in text strings with corresponding characters
striphtml	Text string with all HTML codes removed