Home | History | Annotate | Line # | Download | only in unit-tests
varmisc.mk revision 1.6 
      1 # $Id: varmisc.mk,v 1.6 2017/01/14 22:58:04 sjg Exp $
      2 #
      3 # Miscellaneous variable tests.
      4 
      5 all: unmatched_var_paren D_true U_true D_false U_false Q_lhs Q_rhs NQ_none \
      6 	strftime
      7 
      8 unmatched_var_paren:
      9 	@echo ${foo::=foo-text}
     10 
     11 True = ${echo true >&2:L:sh}TRUE
     12 False= ${echo false >&2:L:sh}FALSE
     13 
     14 VSET= is set
     15 .undef UNDEF
     16 
     17 U_false:
     18 	@echo :U skipped when var set
     19 	@echo ${VSET:U${False}}
     20 
     21 D_false:
     22 	@echo :D skipped if var undef
     23 	@echo ${UNDEF:D${False}}
     24 
     25 U_true:
     26 	@echo :U expanded when var undef
     27 	@echo ${UNDEF:U${True}}
     28 
     29 D_true:
     30 	@echo :D expanded when var set
     31 	@echo ${VSET:D${True}}
     32 
     33 Q_lhs:
     34 	@echo :? only lhs when value true
     35 	@echo ${1:L:?${True}:${False}}
     36 
     37 Q_rhs:
     38 	@echo :? only rhs when value false
     39 	@echo ${0:L:?${True}:${False}}
     40 
     41 NQ_none:
     42 	@echo do not evaluate or expand :? if discarding
     43 	@echo ${VSET:U${1:L:?${True}:${False}}}
     44 
     45 April1= 1459494000
     46 
     47 # slightly contorted syntax to use utc via variable
     48 strftime:
     49 	@echo ${year=%Y month=%m day=%d:L:gmtime=1459494000}
     50 	@echo date=${%Y%m%d:L:${gmtime=${April1}:L}}
     51 
     52