🚀 go-pugleaf

Here's a start. It will loop through the files in a folder. You can 
customize it to whatever fonts and font styles you need.

<PRE><BR>
myFolder = Folder (["~/Documents/InDesign Documents"])
myFiles = myFolder.getFiles()
for(var i = 0; i &lt; myFiles.length; i++){
&nbsp;&nbsp;var myDoc =&nbsp;&nbsp;app.open(myFiles[i])
&nbsp;&nbsp;for(var j= 1; myDoc.characterStyles.length&gt;j; j++){
&nbsp;&nbsp;&nbsp;&nbsp;if(myDoc.characterStyles[j].appliedFont == 
"Adobe Garamond Pro"  &amp;&amp; myDoc.characterStyles[j].fontStyle == 
"Regular"){
&nbsp;&nbsp;&nbsp;&nbsp;myDoc.characterStyles[j].appliedFont = "Adobe 
Whatever Pro"
&nbsp;&nbsp;&nbsp;&nbsp;myDoc.characterStyles[j].fontStyle = "Regular"
&nbsp;&nbsp;&nbsp;&nbsp;}else{
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if(myDoc.characterStyles[j].appliedFont 
== "Adobe Garamond Pro" &amp;&amp; myDoc.characterStyles[j].fontStyle == 
"Bold"){
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;myDoc.characterStyles[j].appliedFont 
= "Adobe Whatever Pro"
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;myDoc.characterStyles[j].fontStyle 
= "Bold"
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}
&nbsp;&nbsp;&nbsp;&nbsp;}
&nbsp;&nbsp;}
&nbsp;&nbsp;myDoc.close(SaveOptions.yes,myDoc.fullName)
}
</PRE>