# Test index ranges echo Test variable expand set n 10 set test (seq $n) echo $test[1..$n] # normal range echo $test[$n..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 echo Test variable set set test1 $test set test1[-1..1] $test; echo $test1 set test1[1..$n] $test; echo $test1 set test1[$n..1] $test; echo $test1 set test1[2..4 -2..-4] $test1[4..2 -4..-2]; echo $test1 echo Test command substitution echo (seq 5)[-1..1] echo (seq $n)[3..5 -2..2]