showperson

Berkely的学生写的

#!/bin/sh 
# Name: showperson 
# Desc: show matching records in addressbook 
# Args: $1 -> string to look for in addressbook 

PATH=/bin:/usr/bin 

# check that a stringname is given 

if [ $# -lt 1 ] ; then 
    echo "USAGE: `basename $0` name" 
    exit 1 
fi 

# check that the address book exists 

MYADDRESSBOOK="./addressbook" 
if [ ! -f "$MYADDRESSBOOK" ] ; then 
    echo "ERROR: $MYADDRESSBOOK does not exists, or is not a file." >&2 
    exit 1 
fi 

# get all matches and format them 

grep "$1" "$MYADDRESSBOOK" | 
awk -F: '{ 
    printf "%-10s %s\n%-10s %s\n%-10s %s\n%-10s %s\n\n",\
    "Name:",$1,"Email:",$2,"Address:",$3,"Phone:",$4 ; 
}' 

exit $?