ps2ascii - Ghostscript translator from PostScript or PDF to ASCII
ps2ascii [ input.ps [ output.txt ] ]
ps2ascii input.pdf [ output.txt ]
ps2ascii uses gs(1) to extract ASCII text from
PostScript(tm) or Adobe Portable Document Format (PDF) files. If
no files are specified on the command line, gs reads from standard
input; but PDF input must come from an explicitly-named file, not standard
input. If no output file is specified, the ASCII text is written to standard
output.
ps2ascii doesn't look at font encoding, and isn't very good
at dealing with kerning, so for PostScript (but not currently PDF), you
might consider pstotext (see below).
Run "gs -h" to find the location of Ghostscript documentation
on your system, from which you can get more details.
pstotext(1), http://www.research.digital.com/SRC/virtualpaper/pstotext.html
This document was last revised for Ghostscript version 9.06.
Artifex Software, Inc. are the primary maintainers of Ghostscript. David M.
Jones <dmjones@theory.lcs.mit.edu> made substantial improvements to
ps2ascii.