How to perform addition on a set of values from a file in bash script Every Unix Administrator has had this at some point… have written a script that extracts multiple rows with values in each column that you want to add up to get the total…. And every Unix Administrator will have written a… Read More »
Timelapse Video – Construction of Dreamland Oasis in Chakvi, Georgia Timelapse Video Dreamland Oasis – Bash script automated image capture from multiple public webcams using ffmpeg to generate a set of timelapse videos from the Dreamland Oasis construction site in Chakvi, Georgia. The videos are an example of what can be achieved using ffmpeg to… Read More »
How to extract emails from a PST file How to extract emails from a PST file using Bash on Centos How to extract emails from a PST file using Bash on Centos – Todays post explains something I have been looking to do for some time now to extract the email data from a PST… Read More »
Identify a string of consecutive characters in bash script Identify a string of consecutive characters in bash script – While processing a data file for a client I was faced with a challenge to determine if a variable I was grabbing contained a string of identical characters (which in my case constituted some form of… Read More »
Bash remove duplicate lines without sorting One of the most frequent requirements I face when bash scripting, is to extract a column of data from an input file, find each unique value from within a number of rows, and then do something with that output. The standard way I achieve that is something like this… Read More »
Background Bash Script – Push a running bash script to continue in the background Background Bash Script – Running a bash script in the background is a simple task using nohup, but what is less known is how to force an already running script to continue in the background freeing up your terminal for other… Read More »
Loops in bash are something Ive covered before, including parsing a file record by record (HERE), but one of the other uses I have frequently is a never ending script which watches something changing.
Bash shell has some very simple commands that can help you do everyday tasks. One of the main functions I need a script to do is to read each line in a file from beginning to end and do something with each line the script reads.