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| -rw-r--r-- | Documentation/CodingGuidelines | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines index b8bf618a30..8346c1972b 100644 --- a/Documentation/CodingGuidelines +++ b/Documentation/CodingGuidelines @@ -43,6 +43,10 @@ For shell scripts specifically (not exhaustive): - We use Arithmetic Expansion $(( ... )). + - Inside Arithmetic Expansion, spell shell variables with $ in front + of them, as some shells do not grok $((x)) while accepting $(($x)) + just fine (e.g. dash older than 0.5.4). + - No "Substring Expansion" ${parameter:offset:length}. - No shell arrays. |