Hi Roel, A simple short code is always tempting, thanks. I will check it out!
Regards, Zelphir On 1/13/20 10:42 PM, Roel Janssen wrote: > On Mon, 2020-01-13 at 19:06 +0100, Zelphir Kaltstahl wrote: >> Hi Guile Users! >> >> Is there any library for logging in Guile? >> >> What I imagine is something, where I can log messages of various levels, >> like debug, info, error and such. Currently I am using display and >> simple-format for all the things, but it would be nice to be able to run >> a program and give it some log level, so that only the log messages of >> that level or above in importance are shown. Then I could leave all my >> logging in my code and set it to debug level or, if intended to be seen >> for the user, set it to info level, or if there really is an error, I >> could set it to error level. >> >> On a quick search I could not find anything. >> >> Regards, >> Zelphir > I'm using a rather simple module that distinguishes errors from warnings and > debug: > https://github.com/UMCUGenetics/sparqling-genomics/blob/master/web/logger.scm > > You could implement your own log levels easily.. > > So you can use it like this: > (log-error "the-calling-function" "A ~a ~a ~a" "format" "like" "format") > (log-debug "the-calling-function" "Similar to ~a" 'log-error) > (log-warning "the-calling-function" "Similar to ~a" 'log-debug) > > Then there are three functions that return a port to write to: > (default-error-port) (default-warning-port) (default-debug-port) > > When (null? port) => #t, no message is written. > > See: > https://github.com/UMCUGenetics/sparqling-genomics/blob/dc5fea515c30aa26ff60b77911438689473d125b/web/ldap/authenticate.scm.in#L148 > > Kind regards, > Roel Janssen > >
