Bash #10 - Combining commands (skip waiting)
In this video we'll cover three ways to combine and chain commands together in the Linux terminal using semi-colon, logical AND or logical OR operators. This will help you save a lot of time and automate checks.
#bash #bashscripting #terminal #linux
https://itvraag.nl
Timestamp:
0:00 Intro
0:17 operators to chain commands
1:16 semi-colon
1:38 when to use semi-colon
1:56 logical AND
2:52 logical OR
3:46 combine operators
4:05 grouping commands
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Used commands:
clear;ls -alt;pwd;uname -srmp;whoami
chmod +x script1
mkdir dir1 && cd dir1
sudo apt update && sudo apt upgrade -y
[ -x "script3" ] || chmod +x script3
[ -x "script1" ] && echo done
[ -x "script1" ] || echo done
ls -lt; [ -x "script1" ] && echo true || echo false
VAR="1"; echo "VAR: $VAR"; { VAR="2"; echo "inside VAR: $VAR"; }; echo "outside VAR: $VAR"
VAR="1"; echo "VAR: $VAR"; ( VAR="2"; echo "inside VAR: $VAR"; ); echo "outside VAR: $VAR"
[ -x "script3" ] || ( echo first && echo second )
Watch video Bash #10 - Combining commands (skip waiting) online without registration, duration hours minute second in high quality. This video was added by user itvraag 23 February 2022, don't forget to share it with your friends and acquaintances, it has been viewed on our site 247 once and liked it 7 people.