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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2017-07-06 19:48:20 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2017-07-06 19:48:20 +0200 |
| commit | 5dad7bdc3bdad8e9934d45301d5a8c51e843cd7b (patch) | |
| tree | db493d6ca6cabddcfe3e9a58f33ee712bd1584d4 /shell/hush_test | |
| parent | 3234045d07c3fb2a9ef8afd02f821158317adbd3 (diff) | |
| download | busybox-5dad7bdc3bdad8e9934d45301d5a8c51e843cd7b.tar.gz | |
hush: implement negative start in the ${v: -n[:m]} idiom
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell/hush_test')
| -rw-r--r-- | shell/hush_test/hush-vars/var_bash1a.right | 6 | ||||
| -rwxr-xr-x | shell/hush_test/hush-vars/var_bash1a.tests | 11 |
2 files changed, 17 insertions, 0 deletions
diff --git a/shell/hush_test/hush-vars/var_bash1a.right b/shell/hush_test/hush-vars/var_bash1a.right new file mode 100644 index 000000000..1965b5c6c --- /dev/null +++ b/shell/hush_test/hush-vars/var_bash1a.right @@ -0,0 +1,6 @@ +parameter 'abcdef' +varoffset2 'cdef' +varoffset-2 'ef' +literal '2' 'cdef' +literal '-2' 'abcdef' +literal ' -2' 'ef' diff --git a/shell/hush_test/hush-vars/var_bash1a.tests b/shell/hush_test/hush-vars/var_bash1a.tests new file mode 100755 index 000000000..551dd9acc --- /dev/null +++ b/shell/hush_test/hush-vars/var_bash1a.tests @@ -0,0 +1,11 @@ +parameter=abcdef +offset=2 +noffset=-2 +echo "parameter '${parameter}'" +echo "varoffset2 '${parameter:${offset}}'" +echo "varoffset-2 '${parameter:${noffset}}'" +echo "literal '2' '${parameter:2}'" +# This is not inrpreted as ${VAR:POS{:LEN}}, +# but as ${VAR:=WORD} - if VAR is unset or null, substitute WORD +echo "literal '-2' '${parameter:-2}'" +echo "literal ' -2' '${parameter: -2}'" |