[Octave-bug-tracker] [bug #56193] print -tight only warns, does not error when ghostscript binary not found

[Mike Miller]

Follow-up Comment #2, bug #56193 (project octave):

These examples show the problem for me with Octave 5.1.

On a system with both 'epstool' and 'gs' missing, there is a clear error
message


>> plot (1:10)
>> print -tight foo.eps
error: print.m: 'epstool' is required for specified output format, but binary
is not available in PATH
error: called from
    print>epstool at line 809 column 7
    __opengl_print__ at line 42 column 16
    print at line 710 column 16


But on a system with 'epstool' but no 'gs' binary, only a warning message is
printed, and the shell commands fail, meaning the user gets no output but also
does not get an Octave error message


>> plot (1:10)
>> print -tight foo.eps
warning: print.m: Ghostscript binary is not available.  Only eps output is
possible
warning: called from
    __print_parse_opts__ at line 487 column 7
    print at line 416 column 8
sh: 1: -h: not found
free(): double free detected in tcache 2
Aborted (core dumped)
>> ls *.eps
ls: cannot access '*.eps': No such file or directory


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