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author | Denys Vlasenko <vda.linux@googlemail.com> | 2017-07-26 00:07:27 +0200 |
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committer | Denys Vlasenko <vda.linux@googlemail.com> | 2017-07-26 00:07:27 +0200 |
commit | 2093ad296f8a4528ad0e106b52074871a2bf070e (patch) | |
tree | d94c965340ab56f3394b4c3fba675df29ed43f80 /shell/hush_test/hush-vars/param_expand_len1.tests | |
parent | 1e3e2ccd5dd280371c9ca29c0e0304a0d40592af (diff) | |
download | busybox-2093ad296f8a4528ad0e106b52074871a2bf070e.tar.gz |
hush: fix ${##}, ${#?}, ${#!} handling
function old new delta
parse_dollar 786 820 +34
expand_one_var 1579 1592 +13
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(add/remove: 0/0 grow/shrink: 2/0 up/down: 47/0) Total: 47 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell/hush_test/hush-vars/param_expand_len1.tests')
-rwxr-xr-x | shell/hush_test/hush-vars/param_expand_len1.tests | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/shell/hush_test/hush-vars/param_expand_len1.tests b/shell/hush_test/hush-vars/param_expand_len1.tests new file mode 100755 index 000000000..e1beab320 --- /dev/null +++ b/shell/hush_test/hush-vars/param_expand_len1.tests @@ -0,0 +1,31 @@ +# ${#c} for any single char c means "length of $c", including all special vars + +false +echo One:${#?} +(exit 10) +echo Two:${#?} +(exit 100) +echo Three:${#?} + +echo +echo One:${##} +set -- 1 2 3 4 5 6 7 8 9 0 +echo Two:${##} +set -- 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 \ + 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 \ + 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 \ + 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 +echo Three:${##} + +echo +v=$$ +test "${#v}" = "${#$}" +echo 'Ok ${#$}:' $? + +echo +sleep 0 & +v=$! +test "${#v}" = "${#!}" +echo 'Ok ${#!}:' $? + +# TODO: ${#-} ${#_} |