+# first try some invalid patterns
# do all of these in subshells since it's supposed to error out
-
export var=0123456789
-
-# first try some invalid patterns
"$THIS_SH" -c 'echo ${:}'
"$THIS_SH" -c 'echo ${::}'
"$THIS_SH" -c 'echo ${:1}'
# UNFIXED BUG: this should work: "$THIS_SH" -c 'echo ${?:0}'
# now some valid ones
-"$THIS_SH" -c 'set --; echo "1 =|${1}|"'
-"$THIS_SH" -c 'set --; echo "1:1 =|${1:1}|"'
-"$THIS_SH" -c 'set --; echo "1:1:2=|${1:1:2}|"'
-"$THIS_SH" -c 'set --; echo "1::2 =|${1::2}|"'
-"$THIS_SH" -c 'set --; echo "1:1: =|${1:1:}|"'
-"$THIS_SH" -c 'set --; echo "1:: =|${1::}|"'
-
-"$THIS_SH" -c 'set -- 0123; echo "1 =|${1}|"'
-"$THIS_SH" -c 'set -- 0123; echo "1:1 =|${1:1}|"'
-"$THIS_SH" -c 'set -- 0123; echo "1:1:2=|${1:1:2}|"'
-"$THIS_SH" -c 'set -- 0123; echo "1::2 =|${1::2}|"'
-"$THIS_SH" -c 'set -- 0123; echo "1:1: =|${1:1:}|"'
-"$THIS_SH" -c 'set -- 0123; echo "1:: =|${1::}|"'
-
-"$THIS_SH" -c 'unset f; echo "f =|$f|"'
-"$THIS_SH" -c 'unset f; echo "f:1 =|${f:1}|"'
-"$THIS_SH" -c 'unset f; echo "f:1:2=|${f:1:2}|"'
-"$THIS_SH" -c 'unset f; echo "f::2 =|${f::2}|"'
-"$THIS_SH" -c 'unset f; echo "f:1: =|${f:1:}|"'
-"$THIS_SH" -c 'unset f; echo "f:: =|${f::}|"'
-
-"$THIS_SH" -c 'f=; echo "f =|$f|"'
-"$THIS_SH" -c 'f=; echo "f:1 =|${f:1}|"'
-"$THIS_SH" -c 'f=; echo "f:1:2=|${f:1:2}|"'
-"$THIS_SH" -c 'f=; echo "f::2 =|${f::2}|"'
-"$THIS_SH" -c 'f=; echo "f:1: =|${f:1:}|"'
-"$THIS_SH" -c 'f=; echo "f:: =|${f::}|"'
-
-"$THIS_SH" -c 'f=a; echo "f =|$f|"'
-"$THIS_SH" -c 'f=a; echo "f:1 =|${f:1}|"'
-"$THIS_SH" -c 'f=a; echo "f:1:2=|${f:1:2}|"'
-"$THIS_SH" -c 'f=a; echo "f::2 =|${f::2}|"'
-"$THIS_SH" -c 'f=a; echo "f:1: =|${f:1:}|"'
-"$THIS_SH" -c 'f=a; echo "f:: =|${f::}|"'
-
-"$THIS_SH" -c 'f=0123456789; echo "f =|$f|"'
-"$THIS_SH" -c 'f=0123456789; echo "f:1 =|${f:1}|"'
-"$THIS_SH" -c 'f=0123456789; echo "f:1:2=|${f:1:2}|"'
-"$THIS_SH" -c 'f=0123456789; echo "f::2 =|${f::2}|"'
-"$THIS_SH" -c 'f=0123456789; echo "f:1: =|${f:1:}|"'
-"$THIS_SH" -c 'f=0123456789; echo "f:: =|${f::}|"'
+set --; echo "1 =|${1}|"
+set --; echo "1:1 =|${1:1}|"
+set --; echo "1:1:2=|${1:1:2}|"
+set --; echo "1::2 =|${1::2}|"
+set --; echo "1:1: =|${1:1:}|"
+set --; echo "1:: =|${1::}|"
+
+set -- 0123; echo "1 =|${1}|"
+set -- 0123; echo "1:1 =|${1:1}|"
+set -- 0123; echo "1:1:2=|${1:1:2}|"
+set -- 0123; echo "1::2 =|${1::2}|"
+set -- 0123; echo "1:1: =|${1:1:}|"
+set -- 0123; echo "1:: =|${1::}|"
+
+unset f; echo "f =|$f|"
+unset f; echo "f:1 =|${f:1}|"
+unset f; echo "f:1:2=|${f:1:2}|"
+unset f; echo "f::2 =|${f::2}|"
+unset f; echo "f:1: =|${f:1:}|"
+unset f; echo "f:: =|${f::}|"
+
+f=; echo "f =|$f|"
+f=; echo "f:1 =|${f:1}|"
+f=; echo "f:1:2=|${f:1:2}|"
+f=; echo "f::2 =|${f::2}|"
+f=; echo "f:1: =|${f:1:}|"
+f=; echo "f:: =|${f::}|"
+
+f=a; echo "f =|$f|"
+f=a; echo "f:1 =|${f:1}|"
+f=a; echo "f:1:2=|${f:1:2}|"
+f=a; echo "f::2 =|${f::2}|"
+f=a; echo "f:1: =|${f:1:}|"
+f=a; echo "f:: =|${f::}|"
+
+f=0123456789; echo "f =|$f|"
+f=0123456789; echo "f:1 =|${f:1}|"
+f=0123456789; echo "f:1:2=|${f:1:2}|"
+f=0123456789; echo "f::2 =|${f::2}|"
+f=0123456789; echo "f:1: =|${f:1:}|"
+f=0123456789; echo "f:: =|${f::}|"
+
+echo "Substrings from special vars"
+echo '? '"=|$?|"
+echo '?:1 '"=|${?:1}|"
+echo '?:1:2'"=|${?:1:2}|"
+echo '?::2 '"=|${?::2}|"
+echo '?:1: '"=|${?:1:}|"
+echo '?:: '"=|${?::}|"
+set -- 1 2 3 4 5 6 7 8 9 10 11
+echo '# '"=|$#|"
+echo '#:1 '"=|${#:1}|"
+echo '#:1:2'"=|${#:1:2}|"
+echo '#::2 '"=|${#::2}|"
+echo '#:1: '"=|${#:1:}|"
+echo '#:: '"=|${#::}|"
+
+echo "Substrings with expressions"
+f=01234567; echo 'f '"=|$f|"
+f=01234567; echo 'f:1+1:2+2 '"=|${f:1+1:2+2}|"
+f=01234567; echo 'f:-1:2+2 '"=|${f:-1:2+2}|"
+f=01234567; echo 'f:1:f '"=|${f:1:f}|"
+f=01234567; echo 'f:1:$f '"=|${f:1:$f}|"
+f=01234567; echo 'f:1:${f} '"=|${f:1:${f}}|"
+f=01234567; echo 'f:1:${f:3:1} '"=|${f:1:${f:3:1}}|"
+f=01234567; echo 'f:1:1`echo 1`'"=|${f:1:`echo 1`}|"
+
+echo Done