It's because "gmt end show" tries to open a PostScript file but there is no PostScript viewers installed. I think we need to check if gsview64c is available before calling it.

PreScript is Drawing & Typsetting DSL (or PostScript Interface) for Common Lisp. Roughly speaking, PreScript is PostScript represented as S-expressions (PostScript is ...

Ask the publishers to restore access to 500,000+ books. A line drawing of the Internet Archive headquarters building façade. An illustration of a heart shape "Donate to the archive" An illustration of ...

The 1-up, 2-up, and 6-up links will bring up a Postscript viewer, with 1, 2, or 6 slides per page, respectively. Use 1-up for browsing, and 2-up or 6-up for printing ...