How to change the IP in a SED file?
another approach:instead of saving pattern to a variable named IP, you can execute your command line inside sed command line to get the new IP . thanks, i used your second example (all in 1 command line), added -i parameter to sed for saving the file, as Avinash Raj and Tiago suggested.
How to replace the hostname in bash-sed?
. [0-9]+\\. find all lines that matches 1 or more digits with this pattern 4 consecutive times then pattern peep.strudel.com .The parenthesis around the pattern peep.strudel.com save it as \\1 then replace the whole patten with your variable and your new ip.
How to search and replace an IP address?
Basically, I have a file with an ip address that changes more or less on a daily basis. The file only contains one ip address and this is the one I’m trying to replace with my crazy grepping to find my current internal ip. but it’s not matching and replacing.
How to replace an IP address in regex?
Also note $newip is outside the single quotes to allow the shell to replace it. BTW this solution still matches strings that do not represent IP addresses. See this site under IP Adresses for more complex solutions.
Can a script be included in a sed command?
Script can be a one-liner that you can write directly into the command. Script can also be a file that you can include in your command using -f or –file= option. And finally, a input file, a file on which you want to perform actions. Sed command allows you to view file contents.
How to update a file with SED Stack Overflow?
Pass the Replace1 and Replace2 as argument to the shell script which will create the ip.sql with proper values. You have some problems to solve here. First, you want to replace wordToFind1 with /usr/bin/try.txt. It will not work with the s/// command at first, because the replacing string contains /. It would to a very weird command!