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-rw-r--r--shell/hush.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/shell/hush.c b/shell/hush.c
index 98ba96e..3afb70c 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -79,6 +79,18 @@
* Some builtins mandated by standards:
* newgrp [GRP]: not a builtin in bash but a suid binary
* which spawns a new shell with new group ID
+ *
+ * Status of [[ support:
+ * [[ args ]] are CMD_SINGLEWORD_NOGLOB:
+ * v='a b'; [[ $v = 'a b' ]]; echo 0:$?
+ * [[ /bin/* ]]; echo 0:$?
+ * TODO:
+ * &&/|| are AND/OR ops, -a/-o are not
+ * quoting needs to be considered (-f is an operator, "-f" and ""-f are not; etc)
+ * = is glob match operator, not equality operator: STR = GLOB
+ * (in GLOB, quoting is significant on char-by-char basis: a*cd"*")
+ * == same as =
+ * add =~ regex match operator: STR =~ REGEX
*/
//config:config HUSH
//config: bool "hush (64 kb)"