#!/bin/sh
#run given command
#Install this script in /usr/bin on an MBARI LRAUV
self=`basename $0`
: ${dir:=/mnt/mmc/started}

[ "$1" -a "$1" != '--help' ] || { echo "\
Background command detached from any controlling tty -- 6/2/20 brent@mbari.org
Usage:
  $self command {args}
Outputs the name of the file receiving merged STDOUT and STDERR output
Environment Variables:
  name=name of command  [first argument]
  dir=directory containing output files  [$dir]
  out=full path to output file {overrides $dir/\$name}
Generally:
  $self {anyCommand}
Example:
  name=onESPclient $self sh -c \"echo slot spare:3 | onESP espclient myName\"
Note that the last example may be shortened to:
  onESPclient myName -- slot spare:3" >&2
    exit 2
}
[ "$out" ] || {
  mkdir -p $dir || exit
  out=$dir/`date +%F%Z%H%M%S`_${name-$1}
}
echo $out
nohup "$@" >$out 2>&1 &