[OS X TeX] [MacTeX 2015] Cannot open Ghostscript for piped input

Herbert Schulz herbs at wideopenwest.com
Thu Dec 10 15:07:13 EST 2015

> On Dec 10, 2015, at 11:33 AM, Se Fer <don.sefer at gmail.com> wrote:
> Hello all
> hope I can find some help here. I have an (now again) fresh installation of MacTeX 2015 running on OS X Yosmite. I haven't installed any other version of ghostscript but the MacTeX-package. 
> I removed everything on my drive today to start fresh because I am not able to fix the following error:
> "Error: Cannot open Ghostscript for piped input"
> Complete error as an example:
> "epstopdf ($Id: epstopdf.pl 36129 2015-01-24 00:30:11Z karl $) 2.23 !!! Error: Cannot open Ghostscript for piped input: gs -q -dSAFER -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile=pic/webrtc-triangle-eps-converted-to.pdf -dPDFSETTINGS#/prepress -dMaxSubsetPct=100 -dSubsetFonts=true -dEmbedAllFonts=true -dAutoRotatePages#/None - -c quit"
> Both texpad and TeXstudio can't find a valid ghostscript installation and their fields are blank. I tried adding the following command to the Ghostscript-field within TeXstudio  ' "/usr/local/bin/gs "?am.ps" ' but it doesn't fix the error.
> Running "which gs" in terminal gives no output. But running "sudo which gs" I get the following output: "/usr/local/bin/gs" ...
> It looks like everything is in place according to the file structure given from the package-file.
> Yours faithfully
> Sefer


It sounds like you have some execution bit permission error. Can we see what

ls -alF /usr/local


ls -alF /usr/local/bin/gs


Good Luck,

Herb Schulz
(herbs at wideopenwest dot com)

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