Logging

Command line

Enable console logging with the --logLevel command line flag.

Hugo has four logging levels:

error

Display error messages only.

hugo --logLevel error

warn

Display warning and error messages.

hugo --logLevel warn

info

Display information, warning, and error messages.

hugo --logLevel info

debug

Display debug, information, warning, and error messages.

hugo --logLevel debug

Template functions

You can also use template functions to print warnings or errors to the console. These functions are typically used to report data validation errors, missing files, etc.

fmt.Errorf

Log an ERROR from a template.

fmt.Erroridf

Log a suppressible ERROR from a template.

fmt.Warnf

Log a WARNING from a template.

fmt.Warnidf

Log a suppressible WARNING from a template.