[SOLVED] how to grep and grab docker image_id from 'docker images' cmd via cli without selecting with mouse?

Issue

[banner@stapp03 ~]$ docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
<none>              <none>              26828d185a8f        5 seconds ago       125MB
ubuntu              latest              174c8c134b2a        3 weeks ago         77.8MB

there are 2 images - i want to type command in cli and grab latest image id (first row) and use it for other subsequent commands. Not use mouse click to select image id, how to do this?

Solution

If you want to print image id of the first image then you may use:

docker images | awk 'NR == 2 {print $3}'

Here:

• NR == 2: Selects 2nd row
• {print $3}: Prints 3rd field i.e. Image Id

Answered By - anubhava

Answer Checked By - Candace Johnson (WPSolving Volunteer)