spawn

spiht for linux this is used to decod and encode vedio i wich all enjoy

#!/bin/sh

usage()
{
  echo "usage: `basename $0` [-n level] [-t] [-l log_file] command [arguments...]"
  exit 1
}

if [ $# -lt 1 ]; then
  usage
fi

if [ \"$1\" = \"-h\" -o \"$1\" = \"-help\" -o \"$1\" = \"--help\" ]; then
  usage
fi

LOGFILE="log"
NICE=0
TIMER=0

DATE=`date`

while [ \"${1:0:1}\" = \"-\" ]; do
  if [ \"$1\" = \"-n\" ]; then
    NICE=$2
    shift 2
  elif [ \"$1\" = \"-t\" ]; then
    TIMER=1
    shift
  elif [ \"$1\" = \"-l\" ]; then
    LOGFILE=$2
    shift 2
  else
    usage
  fi
done

if [ $# -lt 1 ]; then
  usage
fi

COMMAND=$*

if !(which $1 > /dev/null 2>&1); then
  echo `basename $0`: $1 not found
  exit 1
fi

echo ------------------------------------------------------------------------ >$LOGFILE
echo >>$LOGFILE
echo >>$LOGFILE
echo Process started on $HOST --- $DATE >> $LOGFILE
echo "         Command: "$COMMAND >>$LOGFILE
if [ $NICE -gt 0 ]; then
	echo "      Nice level: "$NICE >>$LOGFILE
else
	echo "      Nice level: (none)" >>$LOGFILE
fi
echo >>$LOGFILE
echo >>$LOGFILE
echo ------------------------------------------------------------------------ >>$LOGFILE
echo >>$LOGFILE
echo >>$LOGFILE

# Detach from xterm
unset DISPLAY

if [ $NICE -gt 0 ]; then
  if [ $TIMER -eq 1 ]; then
    (nice -$NICE /usr/bin/time $COMMAND >> $LOGFILE 2>&1 ; \
     spawn_end $LOGFILE )&
  else
    (nice -$NICE $COMMAND >> $LOGFILE 2>&1 ; spawn_end $LOGFILE )&
  fi
else
  if [ $TIMER -eq 1 ]; then
    (/usr/bin/time $COMMAND >> $LOGFILE 2>&1 ; spawn_end $LOGFILE )&
  else
    ($COMMAND >> $LOGFILE 2>&1 ; spawn_end $LOGFILE )&
  fi
fi