#!/bin/sh let key=0 function ftok() { pathname=$1; proj_id=$2; str_st_ino=`stat --format='%i' "${pathname}" 2>/dev/null`; str_st_dev=`stat --format='%d' "${pathname}" 2>/dev/null`; if [ "x${str_st_ino}" = "x" -o "x${str_st_dev}" = "x" ] ; then return 1; fi let st_ino=${str_st_ino} let st_dev=${str_st_dev} # 注意这里的位操作运算符需要加转义符 let key1=${st_ino}\&16#FFFF let key2=${st_dev}\&16#FF let key2=${key2}\<\<16 let key3=${proj_id}\&16#FF let key3=${key3}\<\<24 let key=${key1}\|${key2} let key=${key}\|${key3} } function echohelp(){ echo "ftok generator" echo "Usage:ftok pathname projid" exit 5 } if [ $# -ne 2 ] ; then echohelp fi sPathName=$1 let nProjectID=$2 if [ "${sPathName:0:1}" != "/" ] ; then sPathName=${PWD}/${sPathName} fi if ! test -f ${sPathName} ; then echo "No File Found![${sPathName}]" exit 4 fi ftok "${sPathName}" "${nProjectID}" echo ${key}