empty_string_p query_stringWhat it does:
returns 1 if a string is empty; this is better than using == because it won't fail on long strings of numbersDefined in: /web/philip/packages/acs-core/20-apm-load-procs.tcl
Source code:
if { [string compare $query_string ""] == 0 } { return 1 } else { return 0 }