Web1 day ago · I am reading lines from a CSV file and accordingly calling a bash script in a while loop (should be called 5 times for 5 lines in the CSV). When cron_nfdump_combined.sh has an error, then the next call happens. However, let's say the first call to the script runs successfully, then the rest don't run. and the while loop exits. Any idea why? WebSep 12, 2024 · It causes Bash to accept the output of a process as though it were coming from a file descriptor. This is then redirected into the while loop, providing the text that the …
How To Read and Set Environmental and Shell Variables on Linux
WebJul 17, 2024 · Using the Pure Bash Commands To solve the problem, let’s create a shell script getLine.sh: $ cat getLine.sh #!/bin/bash FILE= "$1" LINE_NO= $2 i=0 while read line; do i=$ ( ( i + 1 ) test $i = $LINE_NO && echo " $line "; done <" $FILE " Copy The shell script above looks pretty simple. It accepts two arguments: the file and the target line number. WebDec 21, 2024 · A file that includes such instructions is called a bash script. To put it simply, the bash interpreter reads the bash script and executes the commands at the same time. For example, a Linux user can execute hundreds of commands with a single click instead of inputting them one by one. how to sand semi gloss paint
Using Python in a Bash Script - Unix & Linux Stack Exchange
WebApr 12, 2024 · When you execute this, output will be more readable /var/log/messages END /var/log/secure BEGIN Apr 12 13:22:31 docker sshd[1239]: Accepted password for root from 192.168.0.2 port 58423 ssh2 Apr 12 13:22:31 docker sshd[1239]: pam_unix(sshd:session): session opened for user root by (uid=0) /var/log/secure END. Now our basic script works … WebApr 10, 2024 · To do this, open the MariaDB configuration file (my.cnf) with your preferred text editor. On Linux, you can find this file in the /etc/mysql/ directory: sudo nano /etc/mysql/my.cnf. Notably this applies to Debian-based only, for RPMs it’s found in /etc/my.cnf. On Windows, the configuration file is located in the MariaDB installation … WebApr 9, 2024 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams northern trust private banking perks