Stdout: Difference between revisions
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stdout is short for '''standard output'''. It is always descriptor number 1 in a unix program. In [[ | stdout is short for '''standard output'''. It is always descriptor number 1 in a unix program. | ||
$ ls 1> /tmp/ls.stdout | |||
This will redirect all of stdout to the file /tmp/ls.stdout | |||
== [[UBO]]s == | |||
Standard output is defined in /usr/include/unistd.h as a macro that is called STDOUT_FILENO and its value is 1. | |||
== [[*BSD]] == | |||
In BSD based [[OS]]' stdout can be represented as /dev/fd/1 or /dev/stdout. You can see more about this by typing "man 4 stdout" or "man 4 fd". | |||
== [[Linux]] == | |||
In Linux based [[OS]]' you will want to read the [[Manual]] pages for stdin(3) and stdio(3). This is defined in /usr/include/unistd.h | |||
Latest revision as of 17:25, 8 April 2006
stdout is short for standard output. It is always descriptor number 1 in a unix program.
$ ls 1> /tmp/ls.stdout
This will redirect all of stdout to the file /tmp/ls.stdout
UBOs
Standard output is defined in /usr/include/unistd.h as a macro that is called STDOUT_FILENO and its value is 1.
*BSD
In BSD based OS' stdout can be represented as /dev/fd/1 or /dev/stdout. You can see more about this by typing "man 4 stdout" or "man 4 fd".
Linux
In Linux based OS' you will want to read the Manual pages for stdin(3) and stdio(3). This is defined in /usr/include/unistd.h
