Am 05.01.2018 um 09:19 schrieb Ricardo Wurmus: Thanks for your reply. >> Does this take care of proper quoting the string-values? > What string values do you refer to? We first generate an S-expression > (where we don’t need to take care of escaping things anyway) and then > format it as a string (with “format” and the “~s” format string), and > then we print that S-expression-as-a-string into a file. I mean the values of the environment variables to be set, whcih might contain double-quotes or backslashes. But I understand that these values are calculated within guile anyway and ~s takes care of proper quoting. So this is fine. Thanks for elaborating. -- Regards Hartmut Goebel | Hartmut Goebel | h.goebel@crazy-compilers.com | | www.crazy-compilers.com | compilers which you thought are impossible |