IPAddr
OptionDescription
|Separates distinct commands in the pipeline. The standard output of the preceding command will be piped into the standard input of the next command.
|& Separates distinct commands in the pipeline. Both standard output and standard error of the preceding command will be piped into the standard input of the next command. This form of redirection overrides forms such as 2> and >&.
< fileName The file named by fileName is opened and used as the standard input for the first command in the pipeline.
<< value Value is passed to the first command as its standard input.
> fileName Standard output from the last command is redirected to the file named fileName, overwriting its previous contents.
2> fileName Standard error from all commands in the pipeline is redirected to the file named fileName, overwriting its previous contents.
>& fileName Both standard output from the last command and standard error from all commands are redirected to the file named fileName, overwriting its previous contents.
>> fileName Standard output from the last command is redirected to the file named fileName, appending to it rather than overwriting it.
2>> fileName Standard error from all commands in the pipeline is redirected to the file named fileName, appending to it rather than overwriting it.
>>& fileName Both standard output from the last command and standard error from all commands are redirected to the file named fileName, appending to it rather than overwriting it.