question: public File pathToFile ( String fileName ) throws IOException { File file = new File ( fileName ) ; if ( ! file . isAbsolute ( ) ) { String cwd = ( String ) getu ( "bsh.cwd" ) ; file = new File ( cwd + File . separator + fileName ) ; } return new File ( file . getCanonicalPath ( ) ) ; }
target:  Localize a path to the file name based on the bsh.cwd interpreter  working directory.