In uniqify(), prefix a space if there is already a result when appending.

This means we don't have to trim a space on output.

diff --git a/hooks/dhcpcd-run-hooks.in b/hooks/dhcpcd-run-hooks.in
index 78448cc62d301099e0099e7056894f1132a3954d..db971342cf63c246477144ebbc0dae2b5165641b 100644 (file)
--- a/hooks/dhcpcd-run-hooks.in
+++ b/hooks/dhcpcd-run-hooks.in
@@ -33,10 +33,10 @@ uniqify()
        for i do
                case " $result " in
                        *" $i "*);;
-                       *) result="$result $i";;
+                       *) result="$result${result:+ }$i";;
                esac
        done
-       echo "${result# *}"
+       echo "$result"
 }
 
 # List interface config files in a directory.