#20884: line buffering in sage-logger causes "hang" due to invisible prompt when
installing experimental packages
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Reporter: mkoeppe | Owner:
Type: defect | Status: closed
Priority: critical | Milestone: sage-7.3
Component: build | Resolution: fixed
Keywords: | Merged in:
Authors: Erik Bray | Reviewers: Dima Pasechnik,
| Matthias Koeppe
Report Upstream: N/A | Work issues:
Branch: | Commit:
705573623266f1017aa4a433e816c0e878960836|
Dependencies: | Stopgaps:
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Comment (by embray):
> It's not silly, it's as documented. read -d'' -s ... is equivalent to
read -d '-s' ... (where only the first character of the string argument
'-s' is taken as the delimiter, as documented).
Just because it's as documented (which I see now, on very careful read,
that the syntax must be `-d<space><delimiter>`). That's not
*unreasonable*, just different from how other commands (specifically
`cut`, which is why I was mentally comparing to) take their arguments.
You can't well argue that the syntax of shell commands is always logical
or consistent.
--
Ticket URL: <https://trac.sagemath.org/ticket/20884#comment:54>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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