I/O Redirection Operators

 

The full set of I/O redirection operators are:

$>$ file

Redirect stdout to file.

$>>$ file

Append stdout to file.

file

Redirect stdin to file.

word

stdin is taken from ``here'' until the word is seen in the input on a line by itself starting in column 1.

$>$ file

Redirect stdout to file.

Wellll, maybe not full. We have a few others which are not common at all:

n

Filehandle n is duplicated and used as stdout.

n

Filehandle n is duplicated and used as stdin.

stdin is closed.

stdout is closed.