; From: Dat Thuc Nguyen ; Newsgroups: comp.protocols.kermit.misc ; Subject: Short-Circuit Macro Execution ; Date: Thu, 25 May 2000 18:12:11 EDT ; URL: http://www.smalltickle.com ; ; SHORT-CIRCUIT MACRO EXECUTION ; ; The following macros offer the capability to execute a sequence of ; macros with short-circuit effect as in the C language. ; ; Usage Examples: ; ; C-Kermit> define do_this { return 1 } ; C-Kermit> define and_this { return 2 } ; C-Kermit> define and_that { return -1 } ; C-Kermit> define and_this_also { return 3 } ; ; C-Kermit> AND do_this and_this and_that and_this_also ; ; C-Kermit> define or_this { return -1 } ; C-Kermit> define or_that { return -2} ; C-Kermit> define or_that_also { return 3} ; ; C-Kermit> OR do_this or_this or_that or_that_also define AND { local \%i for \%i 1 \v(argc)-1 1 { if < \fexecute(\&_[\%i]) 0 break } } define OR { local \%i for \%i 1 \v(argc)-1 1 { if > \fexecute(\&_[\%i]) 0 break } } ; End