There is now a utility available called ps2txt on the /exp trees for
OSF/1 3.x, SunOS 4.1.x, Solaris, AIX, HP-UX, Ultrix MIPS, and IRIX.
It performs a crude extraction of text from PostScript files.
Use: ps2txt file.ps
ps2txt -dvi file.ps (if ps file was created from a dvi file)