# assert --- assert that a condition is true. Otherwise exit. # # Arnold Robbins, arnold@skeeve.com, Public Domain # May, 1993 function assert(condition, string) { if (! condition) { printf("%s:%d: assertion failed: %s\n", FILENAME, FNR, string) > "/dev/stderr" _assert_exit = 1 exit 1 } } END { if (_assert_exit) exit 1 }