Chains the standard streams of a series of commands
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votes
1answer
6 views
Variable scope in multiple pipes
I was trying to do something following,
find . -name "*.dat" | get the basename of file | move filename returned by first command to basename returned by second command
To give a concrete example, ...
2
votes
0answers
176 views
How to redirect and use the framebuffer?
I need to work on the framebuffer to record what is being rendered.
Now, I figure out how to convert the framebuffer in an image, I'm currently unable to obtain a constant stream of data from the fb ...
1
vote
0answers
124 views
avconv/ffmpeg output through /dev/ttyAMA0
I tried to pipe streaming video from video4linux2 webcam connected to a Raspberry Pi through /dev/ttyAMA0 to a computer using an Arduino as a intermediary. First of all, is it possible? Because I was ...
1
vote
0answers
135 views
Why does this pipeline get SIGTTIN?
When I run the command for i in *.log; do cat "$i" | sort; done | more, the pipeline gets a SIGTTIN signal and is stopped.
bash$ for i in *.log; do cat "$i" | sort; done | more
### (one screenful of ...
1
vote
0answers
118 views
Automatically start named pipe reader on startup?
I'm trying to run a script with root access from PHP. I can't do that because Apache's user, www-data, don't have root access because of security reasons. To fix that, I was advised to use a named ...
