MACROMEDIA COLFUSION MX 7 - INSTALLING AND USING COLDFUSION MX, Reference

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130 Chapter 2: ColdFusion Tags
<!--- First, check whether canned file exists. --->
<cfif FileExists("#GetTempDirectory()#foobar.txt") is "Yes">
<cfset fileExists="yes">
</cfif>
<!--- Now, make the form that runs the example. --->
<form action="index.cfm" method="POST">
<h4>Type in some text to include in your file:</h4> <p>
<cfif fileExists is "yes">
<p>A file exists (foobar.txt, in <cfoutput>#GetTempDirectory()#</cfoutput>).
You may add to it, read from it, or delete it. </p>
</cfif>
<!--- If reading from a form, let that information display in textarea. --->
<textarea name="the_text" cols="40" rows="5">
<cfif readText is not "">
<cfoutput>#readText#</cfoutput>
</cfif></textarea>
<!--- Select from the actions depending on whether the file exists. --->
<select name="action">
<cfif fileExists is "no">
<option value="new">Make new file
</cfif>
<cfif fileExists is "yes">
<option value="add">Add to existing file
<option value="delete">Delete file
<option value="read">Read existing file
</cfif>
</select>
<input type="Hidden" name="formsubmit" value="yes">
<input type="Submit" name="" value="make my changes">
</form> --->