文件操作 - sfcbuuid

文件: /usr/bin/sfcbuuid

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#!/bin/sh

usage() 
{
    echo "usage: $0 [-h] [-f] [-u uuidfile] " 1>&2 
}

args=`getopt fhu: $*`
rc=$?

if [ $rc = 127 ]
then
    echo "warning: getopt not found ...continue without syntax check"
    args=$*
elif [ $rc != 0 ]
then
    usage $0
    exit 1
fi

set -- $args

while [ -n "$1" ]
do
  case $1 in
      -h) help=1; 
	  shift;;
      -f) force=1
	  shift;;
      -u) uuidfile=$2
	  shift 2;;
      --) shift;
	  break;;
      **) break;;
  esac
done

if [ "$help" = "1" ]
then
    usage
    echo -e "\t-h display help message"
    echo -e "\t-f force uuid file creation"
    echo -e "\t-u specify uuid file name [/var/lib/sfcb/uuid]"
    echo
    echo "Use to create a universally unique identifier for sfcb."
    exit 0
fi

if [ -z "$uuidfile" ]
then
    uuidfile=/var/lib/sfcb/uuid
fi

if [ -z "$force" ] && [ -f $uuidfile ]
then 
    echo Creating new uid file $uuidfile, your old file will be overwritten.
    echo Do you want to proceed "(type yes to continue)"

read response

if [ x$response = x ] || [ $response != yes ]
    then
	echo Keeping old data
	exit 2
    fi
fi

which uuidgen > /dev/null 2>&1
if [ $? = 0 ]
then
    echo sfcb-`uuidgen` > $uuidfile
else
    echo Warning: uuidgen not found, creating dummy uuid
    echo sfcb-`dnsdomainname`:5988 > $uuidfile
fi

文件操作 - sfcbuuid

文件: /usr/bin/sfcbuuid

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