Alex questions

• how to stop grep creating empty file if no results
• style the focus state of an angular mat-slide-toggle
• AWS CLI list only the name of current running cloudformation stacks?
• Pipeline jobs - pass parameters upstream?
• Alias an existing Slack command
• jq: Select range
• groovy script - sh with variable
• Jenkins Pipeline job can't find script due to @tmp path being created
• Groovy: Method definition not expected here
• Store JSON directly in bash script with variables?

Alex answers