IT Nursery
I have a situation where I want a bash script to replace an entire line in a file. The line number is always the same, so that can be...
I have a Bash script that builds a string to run as a command Script: #! /bin/bash matchdir="/home/joao/robocup/runner_workdir/matches/testmatch/" teamAComm="`pwd`/a.sh" teamBComm="`pwd`/b.sh" include="`pwd`/server_official.conf" serverbin='/usr/local/bin/rcssserver' cd $matchdir illcommando="$serverbin include="$include" server::team_l_start="${teamAComm}" server::team_r_start="${teamBComm}" CSVSaver::save="true"...
I’m trying to write a simple script that will list the contents found in two lists. To simplify, let’s use ls as an example. Imagine “one” and “two” are...
Using this: grep -A1 -B1 "test_pattern" file will produce one line before and after the matched pattern in the file. Is there a way to display not lines but...
I have a text file with the following format. The first line is the “KEY” and the second line is the “VALUE”. KEY 4048:1736 string 3 KEY 0:1772 string...
I have done this: $ z() { echo 'hello world'; } How do I get rid of it? 2 Answers 2
How does one choose between "$0" and "${BASH_SOURCE[0]}" This description from GNU didn’t help me much. BASH_SOURCE An array variable whose members are the source filenames where the corresponding...
I can’t seem to find how to print out the date of a file. I’m so far able to print out all the files in a directory, but I...
What is the best way to emulate a do-while loop in Bash? I could check for the condition before entering the while loop, and then continue re-checking the condition...
The way to iterate over a range in bash is for i in {0..10}; do echo $i; done What would be the syntax for iterating over the sequence with...