ifs file create has extra characters

I am using Scott Klement's ifsebook examples and creating a ascii text file, 
code page 819.
When I specify the file name is a text string ( like 'myfile.txt'  it worked 
fine. 
If I put the value in a field, I end up with an extra character '>' in the file 
name. Have debugged 
this for quite a while and am sure that > symbol not in my field called 
"filename".
Hoping someone (or Scott) can offer me a clue where I went wrong.
 * determine file name                                     
c                   eval      filename = %trim(p1FilDir) + 
c                             %trim(p1PostUsr) +           
c                             %trim(p1FilSufix)            
c                   eval      filename = %trim(filename)   
 <clip> (debugged here & filename = 'mmcvv5.manifest'  
Create a new file, and assign it a code page of 819:             
c                 eval      fd = open(filename:                   
c                               O_CREAT+O_WRONLY+O_CODEPAGE:     
c                                S_IWUSR+S_IRUSR+S_IRGRP+S_IROTH: 
c                                819)                              

this is created file name:   
 
Object link            Type 
mmcvv5.manifest    >   STMF 

this is Scott's copybook entries and i have not altered any
H DFTACTGRP(*NO) ACTGRP(*NEW) BNDDIR('QC2LE') BNDDIR('IFSTEXT')      
                                                                     
D/copy IFSEBOOK/QRPGLESRC,IFSIO_H                                    
D/copy IFSEBOOK/QRPGLESRC,ERRNO_H                                    
D/copy IFSEBOOK/QRPGLESRC,IFSTEXT_H                                  

my defined field
D filename        s             80a   inz                                  File 
Name to create 

jim franz