From 5dad7bdc3bdad8e9934d45301d5a8c51e843cd7b Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Thu, 6 Jul 2017 19:48:20 +0200 Subject: hush: implement negative start in the ${v: -n[:m]} idiom Signed-off-by: Denys Vlasenko --- shell/hush_test/hush-vars/var_bash1a.tests | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100755 shell/hush_test/hush-vars/var_bash1a.tests (limited to 'shell/hush_test/hush-vars/var_bash1a.tests') diff --git a/shell/hush_test/hush-vars/var_bash1a.tests b/shell/hush_test/hush-vars/var_bash1a.tests new file mode 100755 index 000000000..551dd9acc --- /dev/null +++ b/shell/hush_test/hush-vars/var_bash1a.tests @@ -0,0 +1,11 @@ +parameter=abcdef +offset=2 +noffset=-2 +echo "parameter '${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}'" -- cgit v1.2.3