WTF: the case of the missing N

restore_fixtures.sh.diff

--- a/restore_fixtures.sh
+++ b/restore_fixtures.sh
@@ -65,7 +65,8 @@ restore_to_mongo() {
   local etcd_key="/services/mongodb"
   echo "etcd key: $etcd_key"
-  local host="$(sudo etcdctl ls --recursive $etcd_key | cut -d/ -f4)"
+  local host=$(sudo etcdctl ls --recursive "$etcd_key" | cut -d/ -f4)
   local dump="$work_dir/dump/wercker"
   
   
# First version results in the command with no "n": 
# etcd key: /services/mongodb
# root : TTY=unknown ; PWD=/ ; USER=root ; COMMAND=/bin/etcdctl ls --recursive /services/mo godb

# Second version results in:
# etcd key: /services/mongodb
# root : TTY=unknown ; PWD=/ ; USER=root ; COMMAND=/bin/etcdctl ls --recursive /services/mongodb

# Now I agree the second version is more correct but... just removing an "n"? What?
# I tried removing the --recursive and it still only removed the N so it isn't positional.

trying to generate a test case i ran into "IFS=$'\n\t'" which somehow got turned into "IFS=$'nt'" in the output script, so mystery solved BUT AT WHAT COST

it had the escapes removed by "read" which needed "-r" passed to it to prevent that behavior