Implement if-else conditions

if
if!
elif
elif!
else

The expression should evaluate to true of false. The if! and elif!
versions are provided as shortcuts to writing if (!...).

See tests/if-else for examples.

1 files changed, 3 insertions, 0 deletions

diff --git a/tests/if-else/test.sh b/tests/if-else/test.sh
new file mode 100755
index 0000000..b898b3c
--- /dev/null
+++ b/tests/if-else/test.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+valgrind -q b -q | diff -u test.out -