课程第33次
sub_answer() {unset SUBANS
sub_sub_answer(){
SUBANS=`echo $SUBANS |tr -d "[:blank:]"`
if [ -z $SUBANS ]
then
SUBANS="NULL"
fi
}
read -p "$1" SUBANS
sub_sub_answer
until [ $SUBANS =="y"-o$SUBANS =="n" ]
do
echo "This question should be answered either with \"y\"or \"n\"."
read -p "$1" SUBANS
sub_sub_answer
done
}
sub_confirm() {
unset SUBCON1
unset SUBCON2
SUBCON1=0
SUBCON2=1
until [ $SUBCON1 == $SUBCON2 ]
do
read -p "$1" SUBCON1
sub_answer "Input is: \"$SUBCON1\". Are you sure ?(y/n)"
if [ -z $SUBCON1 ]
then
SUBCON1="NULL"
fi
if [ $SUBANS == "y" ]
then
SUBCON2=$SUBCON1
fi
done
}
sub_red() {
echo -e "\033[31;1m${1}\033[0m"
}
sub_green() {
echo -e "\033[32;1m${1}\033[0m"
}
sub_red_blink() {
echo -e "\033[31;5;1m${1}\033[0m"
}
sub_green_blink() {
echo -e "\033[32;5;1m${1}\033[0m"
}
sub_ping() {
rm -f /tmp/sub_ping.txt
for i in {1..254}
do
(ifping -c 8 -W 1 -q $SUBCON1.$i > /dev/null 2>&1
then
echo 192.168.0.$i is online
fi )>> /tmp/sub_ping.txt &
done
wait
sort -t . -k 4 -n /tmp/sub_ping.txt
}
#!/bin/sh
../10.lib
sub_confirm "Pls input IP NET ADDRESS:"
sub_red"Your input is$SUBCON1"
sub_green"Your input is$SUBCON1"
sub_red_blink"Your input is$SUBCON1"
sub_green_blink"Your input is$SUBCON1"
sub_pingRH124: 上完1 2 3 4 5 6 7 8 9 101112 131415 16
RH134: 上完 1 2 3 4 5 6 78 9 10 11 12 13 14 15
RH254: 上完 1 2 3 4 5 6 7 891011 12 13 1415
#!/bin/sh
read -p "Pls input color :"v_color
read -p "Pls input shape :"v_shape
case ${v_color}${v_shape} in
rr)
echo red-round
;;
gr)
echo green-round
;;
*)
echo other
;;
esac两个条件“或”判断：
read -p "pls input num1: " v_num1
read -p "pls input num2: " v_num2
if [ $v_num1 -lt 10 -o $v_num2 -lt 10 ]
then
echo OK
fi可以改写成：
read -p "pls input num1: " v_num1
read -p "pls input num2: " v_num2
if [ $v_num1 -lt 10 ] || [ $v_num2 -lt 10 ]
then
echo OK
fi#!/bin/sh
read -p "Pls input color :"v_color
read -p "Pls input shape :"v_shape
case ${v_color}${v_shape} in
rr|rt)
echo red-round or red-triangle
;;
gr)
echo green-round
;;
*)
echo other
;;
esac
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