*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