Add variable expand ranges

echo $PATH[-1..1] #now works

Add tests for ranges

5 files changed, 32 insertions, 0 deletions

diff --git a/tests/test8.err b/tests/test8.err
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/tests/test8.err
diff --git a/tests/test8.in b/tests/test8.in
new file mode 100644
index 00000000..e03d9d05
--- /dev/null
+++ b/tests/test8.in
@@ -0,0 +1,21 @@
+# Test index ranges 
+
+# Test variable expand
+set test (seq 10)
+echo $test[1..10]      # normal range
+echo $test[10..1]      # inverted range
+echo $test[2..5 8..6]  # several ranges
+echo $test[-1..-2]     # range with negative limits
+echo $test[-1..1]      # range with mixed limits
+
+# Test variable set
+set test1 $test
+set test1[-1..1] $test  # reverse variable
+echo $echo $test1
+set test1[2..4 -2..-4] $test1[4..2 -4..-2]
+echo $test1
+
+# Test command substitution
+echo (seq 5)[-1..1]
+echo (seq 10)[3..5 -2..2]
+
diff --git a/tests/test8.out b/tests/test8.out
new file mode 100644
index 00000000..e118e572
--- /dev/null
+++ b/tests/test8.out
@@ -0,0 +1,9 @@
+1 2 3 4 5 6 7 8 9 10
+10 9 8 7 6 5 4 3 2 1
+2 3 4 5 8 7 6
+10 9
+10 9 8 7 6 5 4 3 2 1
+10 9 8 7 6 5 4 3 2 1
+10 7 8 9 6 5 2 3 4 1
+5 4 3 2 1
+3 4 5 9 8 7 6 5 4 3 2
diff --git a/tests/test8.status b/tests/test8.status
new file mode 100644
index 00000000..573541ac
--- /dev/null
+++ b/tests/test8.status
@@ -0,0 +1 @@
+0
diff --git a/tests/top.out b/tests/top.out
index 5614a661..0c7b1103 100644
--- a/tests/top.out
+++ b/tests/top.out
@@ -6,3 +6,4 @@ File test4.in tested ok
 File test5.in tested ok
 File test6.in tested ok
 File test7.in tested ok
+File test8.in tested ok