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Tag: linux

Read last line of file after the file was modified

I have a problem with reading the last line of file in Linux Ubuntu. I have a file named auth.log and I’m trying to read it last line after new line was added (after file was modified). I know i need to use tail -1 /var/log/auth.log to get last line but I don’t know how to check the file every

rename files which produced by split

I splitted the huge file and output is several files which start by x character. I want to rename them and make a list which sorted by name like below: part-1.gz part-2.gz part-3.gz … I tried below CMD: for (( i = 1; i <= 3; i++ )) ;do for f in `ls -l | awk ‘{print $9}’ | grep

Changing contents of a tsx file through shell script

I have a requirement to change the contents of config.tsx file that contains values like: I want to change this content using a shell script and save the file. Changed content can look like: How can I do this? Answer This should work: The -i option will edit the file in place. If you first want to try the com…