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| author | Denys Vlasenko | 2020-12-27 16:04:54 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2020-12-27 16:04:54 +0100 |
| commit | c7ef8187688b0e7f92d19b3fed2c4ecffe39a688 (patch) | |
| tree | 56fa071390a864c58550390e213a1a8bb7355397 /shell | |
| parent | 1462673dde780091664dbbc79e1c01811bd48e40 (diff) | |
| download | busybox-c7ef8187688b0e7f92d19b3fed2c4ecffe39a688.zip busybox-c7ef8187688b0e7f92d19b3fed2c4ecffe39a688.tar.gz | |
hush: make comment more clear
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell')
| -rw-r--r-- | shell/hush.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/shell/hush.c b/shell/hush.c index f9a295e..f5cbbc3 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -6694,12 +6694,13 @@ static NOINLINE int expand_one_var(o_string *output, int n, * * Word-splitting and single quote behavior: * - * $ f() { for i; do echo "|$i|"; done; }; + * $ f() { for i; do echo "|$i|"; done; } * - * $ x=; f ${x:?'x y' z} - * bash: x: x y z #BUG: does not abort, ${} results in empty expansion + * $ x=; f ${x:?'x y' z}; echo $? + * bash: x: x y z # neither f nor "echo $?" executes + * (if interactive, bash does not exit, but merely aborts to prompt. $? is set to 1) * $ x=; f "${x:?'x y' z}" - * bash: x: x y z # dash prints: dash: x: 'x y' z #BUG: does not abort, ${} results in "" + * bash: x: x y z # dash prints: dash: x: 'x y' z * * $ x=; f ${x:='x y' z} * |x| |