https://brainbit.uk/tags/scripting/Recent content in Scripting on BrainBit Latest ArticlesHugo -- gohugo.ioen-usTue, 28 Jul 2020 19:23:37 +0000https://brainbit.uk/posts/bashand-others-things-that-i-use-every-day/Tue, 28 Jul 2020 19:23:37 +0000https://brainbit.uk/posts/bashand-others-things-that-i-use-every-day/More and more we embrace bash to do things that maybe in the past we used lower level languages (Dockerfiles , Makefiles , Pipelines etc etc), or at least that’s the way im seeing it , so im leaving some bash little things i user every day: for loops: for i in $(seq 0 3) ; do echo ${i} ;done for i in {0..3} ; do echo $i ; done for i in "a\nb\nc" ; do echo $i ; done if else oneliners: [[ $( pgrep nginx | wc -c ) > 0 ]] && echo "nginx running" || echo "nginx running" [[ $( pgrep nginx | wc -c ) > 0 ]] && echo "nginx running" || { echo "nginx not running" , systemctl start nginx.https://brainbit.uk/posts/quickly-jsonparse-on-command-line/Tue, 30 May 2017 13:16:43 +0000https://brainbit.uk/posts/quickly-jsonparse-on-command-line/I was trying to get some data out of etcd (kubernetes) and i found the value was returned as a string: you can see the quotes in the beginning, so after playing with sed for a bit , getting me nowhere , i discovered the -r flag of jq so… As you can see now you have a json object back that we can pass back to jq: just that.