shell脚本：简单的分数记录系统

#mcore.sh
#!bin/bash

function colour()
{
case $1 in
black_white)
echo -e "\033[40;37m"
;;
black_green)
echo -e "\033[40;32m"
;;
black_cyan)
echo -e "\033[40;36m"
;;
red_yellow)
echo -e "\033[41;33m"
;;
yellow_blue)
echo -e "\033[43;34m"
;;
esac
}

function search()
{
colour black_white
clear
echo -e "please enter name >>>\c"
read NAME
if [ ! -f ./record ]; then
echo "you must have some scores before you can search"
sleep 2
clear
return
fi

if [ -z "$NAME" ]; then
echo "you didn t enter a name!"
echo -e "please enter name >>>\c"
read NAME
fi

grep -i "$NAME" ./record 2> /dev/null

case "$?" in
1)	echo "Name not in record"
;;
2) echo "you didin t enter a name to search"
search;;
esac
}

function add()
{
clear
echo "enter name and score of a record"
echo -e "\c"

if [ ! -f ./record ];then
touch record
fi
read NEWNAME
echo "$NEWNAME" >./record

sort -o ./record ./record
}

function delete()
{
clear
echo -m "please enter name >>\c"
read NAME
if [ ! -f ./record ];then
echo "this name is not in record"
else
cp record record.bak
rm -f record
grep -v "$NAME" ./record.bak > record
rm -f record.bak
fi
}

function display()
{
colour black_white
more ./record
}

function edit()
{
vi ./record
}

function help()
{
clear
colour black_cyan
echo "this is a student s record program by lunix shell language"
}

function quit()
{
clear
colour black_white
exit
}

clear

while true
do
colour red_yellow
echo "****************************************"
echo "*STUDENT S RECORD MENU                 *"
echo "****************************************"
colour yellow_blue
echo "****************************************"
echo "*1:search a record                     *"
echo "*2:add a record                        *"
echo "*3:delete a recore                     *"
echo "*4:dispaly all records                 *"
echo "*5:edit record witm vi                 *"
echo "*H:help screen                         *"
echo "*Q:exit program                        *"
echo "****************************************"
colour black_green
echo -e -n "\tplease enter you choice 1--5,H,Q:\c"
read CHOICE

case $CHOICE in
1) search;;
2) add; clear;;
3) delete; clear;;
4) display;;
5) edit; clear;;
H | h) help;;
Q | q) quit;;
*)	echo "invalid choice";
sleep 2;
clear;;
esac
done