Go over each dir in a a directory and update each repo:

Bash one liner to go over every directory in current directory and in each check that they are on master branch and then do git pull origin master:

“switch each repo to master and then pull, instead of skipping:”

for d in */; do [ -e "$d/.git" ] || continue; echo "== $d"; git -C "$d" checkout master && git -C "$d" pull origin master; done

Eternal while loop single line:

Here I’m using it to do a basic healthcheck:

while true;do curl -I 'https://devops-tutorials.site/health'; done

How to create a list of comma seperated AWS ARN’s from a textfile with resource names:

Here is the resource list:

(name it 1.txt)

bucketone
buckettwo
bucketthree

bucketfour

Here is the script loop.sh:

#!/usr/bin/env bash

while read p; do
  echo "\"arn:aws:glue:eu-west-1:444455556666:database/$p\","
done <1.txt

Run loop.sh

$ bash loop.sh

"arn:aws:glue:eu-west-1:444455556666:database/bucketone",
"arn:aws:glue:eu-west-1:444455556666:database/buckettwo",
"arn:aws:glue:eu-west-1:444455556666:database/bucketthree",
"arn:aws:glue:eu-west-1:444455556666:database/bucketfour",