#15275: Make "sage -c 'attach(...); print 3'" work right
--------------------------+-----------------------------
Reporter: jhpalmieri | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-5.13
Component: scripts | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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This was first reported on [http://stackoverflow.com/questions/19344741
/python-sage-attach-from-command-line-and-run-another-command
stackoverflow].
While running Sage:
{{{
sage: attach("file.sage"); print 3
}}}
works, but from the shell:
{{{
$ sage -c "attach('file.sage'); print 3"
}}}
fails. It actually tries to execute the command
{{{
sage "/path/to/'file.sage'; print Integer(2)"
}}}
and so it tries to read everything between the first and last quotes as
the file name, thus producing the error
{{{
python: can't open file '/path/to/'file.sage'; print Integer(2)': [Errno
2] No such file or directory
}}}
This is because the script `sage-eval` tries to do something clever when
the command to be executed starts with `attach` or `load`, but it is
assuming that the rest of the command consists entirely of the file name.
--
Ticket URL: <http://trac.sagemath.org/ticket/15275>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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