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This is only for plumbing in non-interactive mode in forkexec(), but not piping
content.
Probably obvious what the descriptors are, but also add a few comments to dup2
of the file descriptors (stdin, stdout, stderr).
To reproduce a behaviour:
Plumb script:
#!/bin/sh
dmenu
Then launch it:
SFEED_PLUMB_INTERACTIVE=0 SFEED_PLUMB=thescript sfeed_curses ~/.sfeed/feeds/*
The program now waits on input while in non-interactive mode and only seems to
hang.
After:
The program starts but just has no input passed to it.
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- SIGINT: reword, canceling the line editor is the exception.
- Document the order of signal handling.
- Document interactive and non-interactive behaviour in a separate section and
in more detail.
Remove repetition for each *_INTERACTIVE environment variable.
- Document SIGINT and SIGTERM exit status.
- Typo: "statusbar" -> "status bar".
- Reword a few sentences.
With additional changes and feedback from adc, thanks!
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Noticed by the Debian scanner for typos (typo-in-manual-page):
https://mentors.debian.net/package/sfeed/
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... if it is set of course.
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There is only one enclosure supported.
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Because the tty (/dev/tty). is reopened when reading feed data from stdin.
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This replaces the current J and K keybind, which was rarely useful.
Thanks to IanJ for the suggestion and feedback!
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SIGTERM is the best way to quit the program, because SIGINT can cancel only the
line editor prompt when using it.
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Import sfeed_curses into sfeed.
The files are based of the commit 8e151ce48b503ad0ff0e24cb1be3bc93d6fbd895
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