使用TCL语法将InternetGatewayDevice.LANDevice.1.Hosts.Host.2.MACAddress c8:63:fc:b8:58:88中的mac地址取出

可以使用TCL中的正则表达式来提取MAC地址。以下是一个示例代码：

set text "InternetGatewayDevice.LANDevice.1.Hosts.Host.2.MACAddress c8:63:fc:b8:58:88"
set mac [regexp -inline {\w{2}:\w{2}:\w{2}:\w{2}:\w{2}:\w{2}} $text]
puts $mac

输出结果为：

c8:63:fc:b8:58:88

解释一下代码：首先定义一个包含MAC地址的字符串，然后使用正则表达式`\w{2}:\w{2}:\w{2}:\w{2}:\w{2}:\w{2}`匹配MAC地址，再使用`regexp -inline`命令将匹配结果以列表的形式返回。最后用`puts`命令输出MAC地址。

相关问题

如何使用TCL语法将InternetGatewayDevice.LANDevice.1.Hosts.Host.2.Active 1中的2匹配取出来

可以使用Tcl中的`regexp`命令来实现正则表达式匹配，并使用匹配到的子字符串。以下是一个示例代码：

set string "InternetGatewayDevice.LANDevice.1.Hosts.Host.2.Active 1"
set pattern {InternetGatewayDevice.LANDevice.1.Hosts.Host.(\d+).Active 1}
if {[regexp $pattern $string match number]} {
    puts $number  ;# 输出 2
}

这里的正则表达式`InternetGatewayDevice.LANDevice.1.Hosts.Host.(\d+).Active 1`与Python中的是类似的，其中`\d+`表示匹配数字。`regexp`命令用于在字符串中搜索匹配项，并将匹配到的子字符串保存在`match`变量中。最后，使用`puts`命令打印出匹配到的数字。

使用TCL语法将InternetGatewayDevice.LANDevice.1.Hosts.Host.1.IPAddress 192.168.254.100 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.AddressSource Static InternetGatewayDevice.LANDevice.1.Hosts.Host.1.LeaseTimeRemaining 0 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.MACAddress 28:d2:44:ae:2c:95 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.HostName unknown28d244ae2c95 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.InterfaceType Ethernet InternetGatewayDevice.LANDevice.1.Hosts.Host.1.Layer2Interface InternetGatewayDevice.LANDevice.1.LANEthernetInterfaceConfig.4 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.Active 1 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.X_0000C5_LastActive Thu Jan 1 00:20:53 1970 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.IPv6AddressNumberOfEntries 0 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.IPAddress 192.168.254.10 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.AddressSource DHCP InternetGatewayDevice.LANDevice.1.Hosts.Host.2.LeaseTimeRemaining 2591999 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.MACAddress 6c:63:9c:08:24:62 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.HostName x5042-2460 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.InterfaceType 802.11 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.Layer2Interface InternetGatewayDevice.LANDevice.1.WLANConfiguration.8 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.Active 1 InternetGatewayDevice.LANDevice.1.Hosts.Host.3.Active 0 InternetGatewayDevice.LANDevice.1.Hosts.Host.3.AddressSource DHCP中的IP地址192.168.254.10取出

set hosts [list {InternetGatewayDevice.LANDevice.1.Hosts.Host.1.IPAddress 192.168.254.100 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.AddressSource Static InternetGatewayDevice.LANDevice.1.Hosts.Host.1.LeaseTimeRemaining 0 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.MACAddress 28:d2:44:ae:2c:95 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.HostName unknown28d244ae2c95 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.InterfaceType Ethernet InternetGatewayDevice.LANDevice.1.Hosts.Host.1.Layer2Interface InternetGatewayDevice.LANDevice.1.LANEthernetInterfaceConfig.4 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.Active 1 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.X_0000C5_LastActive Thu Jan 1 00:20:53 1970 InternetGatewayDevice.LANDevice.1.Hosts.Host.1.IPv6AddressNumberOfEntries 0} {InternetGatewayDevice.LANDevice.1.Hosts.Host.2.IPAddress 192.168.254.10 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.AddressSource DHCP InternetGatewayDevice.LANDevice.1.Hosts.Host.2.LeaseTimeRemaining 2591999 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.MACAddress 6c:63:9c:08:24:62 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.HostName x5042-2460 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.InterfaceType 802.11 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.Layer2Interface InternetGatewayDevice.LANDevice.1.WLANConfiguration.8 InternetGatewayDevice.LANDevice.1.Hosts.Host.2.Active 1} {InternetGatewayDevice.LANDevice.1.Hosts.Host.3.Active 0 InternetGatewayDevice.LANDevice.1.Hosts.Host.3.AddressSource DHCP中的IP地址192.168.254.10取出}]

foreach host $hosts {
if {[lindex [split $host]} 1] == "192.168.254.10"} {
set addressSource [lindex [split $host]} 3]
break
}
}

puts $addressSource ;# 输出 DHCP