peet - Online in the Cloud

PROGRAM:

NAME

peet - piped reverse tee: read from many file descriptors and copy to one

SYNOPSIS

peet [-h] [-w outfd] infd1 [infd2 ...]

DESCRIPTION

peet reads from many file descriptors and copies everything to one file descriptor. If no
file descriptor is given ('-w' option), 1 (stdout) is used.

peet is text line based - i.e. only complete lines are written. The order of lines
written to the output file descriptor is pure random when there is more then one file
descriptor where a complete line can be read from.

peet can be used with pipexec(1) to de-multiplex text based output.

OPTIONS

-h print help and version information

-w outfd
use the given outfd as output file descriptor. If this option is not specified, 1
(stdout) is used.

EXAMPLES

Read from stdin (fd 0), and file descriptors 9 and 11 and write to stdout.
peet 0 9 11

Using pipexec(1): start two commands, both write their log to stdout and use one instance
of rotatelogs(1) to write the logs to disk into a common log file: (The file descriptors 8
and 11 are chosen by random.)
pipexec [ CMD1 /usr/bin/cmd1 ] [ CMD2 /usr/bin/cmd2 ] \
[ PEET /usr/bin/peet 8 11 ] \
[ RLOGS /usr/bin/rotatelogs /var/log/%Y%m%d_cmd.log ] \
"{CMD1:1>PEET:8}" "{CMD2:1>PEET:11}" \
"{PEET:1>RLOGS:0}"

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