How to replace part of IP Address in batch file

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I would like to replace certain part of IP Address in a batch file.

Lets say there is a variable

set ip=10.20.45.254

or

set ip=10.20.45.2

and i have to change the last part to 1 like

10.20.45.254 -> 10.20.45.1

I have tried to check this manual http://ss64.com/nt/syntax-replace.html but I am not sure how to detect exactly the last part of IP because it can have different length...

Is it possible todo?


Try this in batch (replace test.txt with your file name)

for /F "tokens=1,2,3,4 delims=." %%a in (test.txt) do (echo %%a.%%b.%%c.1)

P.S. Try this...

rem -----------------------------------------
rem  Imagine that %line has some IP string...
SET  _IP=%line:~4% 
ECHO IP: %_IP%         
rem -----------------------------------------
timeout /t 2
for /f "tokens=1,2,3,4 delims=." %%a IN ("%_IP%") DO ( 
set gate=%%a.%%b.%%c.1 
)
ECHO Gateway IP: %gate%    

Take care of the qoutes, they are essential ("%_IP%").

How to replace part of IP Address in batch file - batch-file - iOS, I would like to replace certain part of IP Address in a batch file. Lets say there is a variable set ip=10.20.45.254 or set ip=10.20.45.2 and i have to change the last  I’m feeding it “IPv4” as I’m using it in WinPE v3.1, which is Windows 7 based. In XP and older you’d have to change “IPv4” to “IP Address” or something like that. The for statement simply pulls out the correct part of the string and stores it in a variable called _IPAddress. This can then be echoed anywhere else in the batch file.


Simpler:

set ip=10.20.45.254
for %%a in (%ip%) do echo %%~Na.1

This method works also if the IP's are stored as lines inside a file:

for /F %%a in (ipList.txt) do echo %%~Na.1

Batch File Script to change IP addresses, How to: Batch File Script to change IP addresses. Step 1: Verify the name of your network connection. The script is very specific to the name of the connection that it is making changes to. Step 2: Copy this script. Here is the script that is going to do the work for you. Step 3: Save the script. Step 4: Enjoy the trim last octate of ip address using bash script Hi, i need to replace the last octate in ipaddress with 0 using bash shell for one of my applicatiom. googling i found the below link where they do the same thing but use long2 ip which i dont see in linux. trim ip address octet - Stack Overflow Plz can soemone guide how do i do this using bash


You can use this to enter in an IP address that you want with a subnet mask of 255.255.255.0.

@echo off 
echo "Enter Static IP" 
echo "Static IP Address:" 
set /p IP_Addr=

netsh interface ip set address <Name of Network Adapter> static %IP_Addr% 255.255.255.0

You can always add in a section to ask for subnet, or just hard code it.

change IP Address through batch file, batch. these are commands i am using to change IP Address @echo off netsh interface ipv4 set address name="Local Area Connection"  I would like to replace certain part of IP Address in a batch file. Lets say there is a variable . set ip=10.20.45.254 or . set ip=10.20.45.2 and i have to change the last part to 1 like. 10.20.45.254 -> 10.20.45.1


How to change IP address using a Batch File Script on Windows , part 2? Reply. nfskhatri says: January 1, 2015 at 5:52 pm. Sorry but while that code outputs my internal LAN IP and MAC address correctly, it still lists 208.67.222.222 as my public IP address. Going to various IP-checking sites online tells me a different address which must be my true one, however. The 222.222 IP address is from San Francisco, California, which isn't even my continent. EDIT: 208.67


Changing IP address via Batch File ~ Michael King, Save this to notepad, and change it's extension to .bat. UPDATE 9/25/2014: Added the continue quit section at the beginning, cause sometimes I 


Change IP Address and DNS Servers using the Command Prompt, How To Change IP Address Using Command Prompt to change. Open an elevated Command Prompt by typing CMD in the search bar and clicking on Run as Let us know by dropping your comment in the section below.