scconfig/src/tmpasm/regression/Tutor11_missing.gasm - libmawk (e6ceb860-1bcc-4cc8-8ccb-412e0c97ee18/main)

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append.gasm
append.ref
comment.gasm
comment.ref
err_excess_end.gasm
err_excess_end.ref
err_if_else.gasm
err_if_else.ref
err_if_end.gasm
err_if_end.ref
err_no_end.gasm
err_no_end.ref
err_switch_end.gasm
err_switch_end.ref
err_switch_nocond.gasm
err_switch_nocond.ref
foreach.gasm
foreach.ref
if.gasm
if.ref
Makefile.in
order.gasm
order.ref
switch.gasm
switch.ref
test.gasm
test.ref
then.gasm
then.ref
Tutor01_hello.gasm
Tutor01_hello.ref
Tutor02_vars.gasm
Tutor02_vars.ref
Tutor03_blocks.gasm
Tutor03_blocks.ref
Tutor04_if.gasm
Tutor04_if.ref
Tutor05_switch.gasm
Tutor05_switch.ref
Tutor06_foreach.gasm
Tutor06_foreach.ref
Tutor07_sub.gasm
Tutor07_sub.ref
Tutor08_uniq.gasm
Tutor08_uniq.ref
Tutor09_ui.gasm
Tutor09_ui.ref
Tutor10_include_redir.gasm
Tutor10_include_redir.ref
Tutor11_missing.gasm
Tutor11_missing.out
Tutor11_missing.ref
Tutor12_halt.gasm
Tutor12_halt.ref

Tutor11_missing.gasm @e6ceb860-1bcc-4cc8-8ccb-412e0c97ee18/main — raw · history · blame

# conditional/safe variable reference: name prefixed by ?
# if the variable does not exist, no error is thrown but empty
# string is returned

if ?a then
	print {empty}
else
	print {not empty}
end

put b ?a