Shell编程基础教程7--脚本参数的传递

#!/bin/bash
usage()
{
    echo "usage:`basename $0` filenames"
}
totalline=0
#下面的语句中 $# 表示参数的个数
if [ $# -lt 2 ]
then
    usage
fi
while [ $# -ne 0 ]
do
    line=`cat $1 | wc -l`
echo "$1:${line}"
totalline=$ [ $totalline+$line ]
shift
done
echo "---------"
echo "total:${totalline}"

#!/bin/bash
ALL=false
HELP=false
FILE=false
VERBOSE=false
while getopts ahfvc: OPTION
do
    case $OPTION in
    a)
        ALL=true
        echo "ALL is $ALL"
        ;;
     h)
         HELP=true
         echo "HELP is $HELP"
         ;;
      f)
          FILE=true
          echo "FILE is $FILE"
          ;;
      v)
          VERBOSE=true
          echo "VERBOSE is $VERBOSE"
          ;;
      c)
           echo "c value is $c"
           ;;
      \?)
           c=$OPTARG
           echo "`basename $0` - [ a h f v ] - [ c value ] file"
           ;;
       esac
done