input of while loop to come from output of `command`

2016年2月23日 — Set a condition for the while loop. If you replace while true. by: while [ $(dropbox status) != Up to date ]. it works as you describe.

2024年1月2日 — A while loop is a statement that iterates over a block of code till the condition specified is evaluated to false. We can use this statement ...

The bash while loop can be defined as a control flow statement which allows executing the given set of commands repeatedly as long as the applied condition ...

2024年3月12日 — The bash while loop is a control flow statement that allows code or commands to be executed repeatedly based on a given condition. For example, ...

2023年1月5日 — Hi! i have this command: aws ec2 describe-snapshot-tier-status --filters Name=tag:MarkedForDeletion, Values=True --region us-east-1 ...

2022年8月3日 — I simply want to make a bash script that loops 10 times and breaks if the output contains the string connection successful. I tried something ...

2022年8月30日 — Using the shell to do arithmetic with a while/read loop is slow and clunky. You could simply do: ifconfig | awk '/RX packets/ s += $5 } END ...

2010年6月6日 — This works in bash: while read line; do ARRAY[$c]=$line c=$((c+1)) done < <(tcpdump -n -r $pcap).

2020年11月15日 — I have a script I want to run every x seconds until the output changes. With a simple while or until loop, I know how to check the output for a ...

2023年8月4日 — We'll use a simple shell scripting method to read the file data. As the test component of the while statement, we'll change the IFS separator ...