May 2007
Beginner
628 pages
15h 46m
English
Content preview from bash Cookbook
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I/O Redirection
Table A-10 is a complete list of I/O redirectors. Note that there are two
formats for specifying STDOUT and STDERR redirection:
&>file and
>&file. The second of these (which is
the one used throughout this book) is the preferred way.
Table A-10. Input/output redirection
Redirector | Function |
|---|---|
| Pipe; take standard output of
|
> | Direct standard output to
|
< | Take standard input from
|
>>
| Direct standard output to
|
>| | Force standard output to
|
n>| | Force output to |
<>
| Use |
| Use |
<<
| Here-document. |
<<<
| Here-string. |
n> | Direct file descriptor |
n< | Take file descriptor |
n>>
| Direct file descriptor |
| Duplicate standard output to file descriptor
|
| Duplicate standard input from file descriptor
|
| File descriptor |
| File descriptor |
&> | Directs standard output and standard error to
|
<&- | Close the standard input. |
>&- | Close the standard output. |
| Close the output from file descriptor
|
| Close the input from file descriptor
|
| If |
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.