[code]#!/bin/bash
echo "Please input the IP address of the DB server(ÇëÊäÈëIPµØÖ·):"
read db_ip
#db_ip="10,130,4,14a"
#echo "ipµØÖ·ÊÇ£º$db_ip"
#²ÉÓÃͳ¼ÆÃ¿¸öip×Ö·û´®ÖÐÊÇ·ñº¬Óгý¡¤Êý×Ö[0-9]ºÍСÊýµã[ . ]ÒÔÍâµÄ×Ö·ûµÄÐÐÊý(ÿ¸öip×Ö·û´®ÊÇ1ÐÐ-_-)
#Ö»º¬Êý×ÖºÍСÊýµã·µ»Ø0ÐУ¬º¬ÓÐÆäËû×Ö·û·µ»Ø0ÐÐ(-c Êä³öÆ¥ÅäÐÐÊýÄ¿ )
#ÓÃgrep½øÐÐÅжÏÊÇ·ñ·ûºÏipµØÖ·µÄ»ù±¾¸ñʽ£º 1-3¸öÊý×Ö.1-3¸öÊý×Ö.1-3¸öÊý×Ö.1-3¸öÊý×Ö Ã»ÓÐÅжÏÊÇ·ñ´óÓÚ255»¹Ðè¼ÌÐø¸Ä½ø
ip_jud="$(echo $db_ip | grep -c '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}')"
#ÈôΪ·Ç·¨ipÔòÖØÐÂÊäÈ룬ÔÚ´Ë´¦¸öÈ˿ɼÓÈë¸üÏêϸµÄÅжÏ
until [ "$ip_jud" = "1" ]
do
echo "Illegal input data(·Ç·¨ÊäÈëÊý¾Ý)!!!!!!!!"
echo "Input data like this(Êý¾ÝÕýÈ·ÊäÈë¸ñʽ) 192.168.1.1"
echo
echo
echo
echo "Please input the IP address of the DB server(ÇëÊäÈëIPµØÖ·):"
read db_ip
#db_ip="10.13a.4.14q"
#echo "ÖØÐÂÊäÈëµÄipµØÖ·ÊÇ£º$db_ip"
#ÖØÐÂÅжÏ
ip_jud="$(echo $db_ip | grep -c '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}')"
done
#ping¶ÔÓ¦µÄipµØÖ·
ping $db_ip [/code]
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Ï£ÍûÕâ¸öÎÊÌâ 5ÔÂ1¹ýºóÄܸ㶨¡£¡£ echo 192.168.0.1|awk -F "." '$1 ~ /^[0-9]+$/ { print $1 }'
echo 192.168.0.1|awk -F "." '$2 ~ /^[0-9]+$/ { print $2 }'
echo 192.168.0.1|awk -F "." '$3 ~ /^[0-9]+$/ { print $3 }'
echo 192.168.0.1|awk -F "." '$4 ~ /^[0-9]+$/ { print $4 }'
·Ö±ðÅжÏСÓÚ255 È»ºó¸ÃÔõÃ´Íæ¾ÍÔõÃ´Íæ
Ìṩ˼·£¬´úÂë×Ô¼ºÐ´¾ÍºÃÁË [quote]ÔÌûÓÉ [i]mgqw[/i] ÓÚ 2008-4-29 10:39 ·¢±í [url=http://linuxeden.com/forum/redirect.php?goto=findpost&pid=608879&ptid=163221][img]http://linuxeden.com/forum/images/common/back.gif[/img][/url]
Èç¹ûÊÇipv6µÄ»°µ±È»Òª¸Ä±äÅжϷ½Ê½ÁË£¬×òÌìÄǸö¸ú½ñÌìµÄ˼·ÍêÈ«²»Í¬£¬¸öÈËˮƽÓÐÏÞ£¬ÖªÊ¶ÃæÓÐÏÞ¾ÍÖ»ºÃÓÃÕâÑùµÄ±¿°ì·¨Ó¦¸¶£¬shellˮƽ¸ßÁ˺õÄÅжϷ½Ê½×ÔÈ»¾ÍÀ´ÁË¡£
ÓÐλ´óÏÀÒªÎÒÓÃperlµÄÓï·¨À´Åжϣ¬perl ... [/quote]
¼ÈÈ»Ìáµ½ÁËPerl.......
¾ÍÓÃPerl + PCREºÃÁË
ֻƥÅä4¸ö0~255£¨µ±È»»¹²»ÊǺÜÑϸñ£¬ 0.0.0.1ÕâÑù²¢²»ÄÜËãºÏ·¨µÄIP£©
[code]
$ echo 192.168.1.255 | perl -lne ' print /^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)$/ ? "OK" : "NOTOK" '
OK
$ echo 192.168.1.256 | perl -lne ' print /^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)$/ ? "OK" : "NOTOK" '
NOTOK
[/code]
[[i] ±¾Ìû×îºóÓÉ li-jiahuan ÓÚ 2008-5-11 02:55 ±à¼ [/i]]
Ò³:
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