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-rw-r--r--bash.md12
1 files changed, 7 insertions, 5 deletions
diff --git a/bash.md b/bash.md
index e1bd377..628bfa8 100644
--- a/bash.md
+++ b/bash.md
@@ -24,8 +24,10 @@ GNU `bash`
#### Don't
- unset -v arr[x] # May break due to globbing.
- unset -v arr[$i] # The same as above + possibly a pair of quotes is missing.
- unset -v 'arr["x"]' # Doesn't work for some reason.
- unset -v 'arr["]"]' # The same as above; just highlighting the problem with funny characters in array indices.
- # An insightful discussion: https://lists.gnu.org/archive/html/help-bash/2016-09/msg00020.html.
+ unset -v arr[x] # May break due to globbing.
+ unset -v arr[$i] # The same as above + a possible problem with quotation.
+ unset -v 'arr["x"]' # Doesn't work for some reason.
+ unset -v 'arr["]"]' # The same as above; just highlighting the problem with funny characters in array indices.
+ unset -v 'arr["$i"]' # Also rejected.
+
+ # An insightful discussion on the topic: https://lists.gnu.org/archive/html/help-bash/2016-09/msg00020.html.