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-rwxr-xr-xkubernetes/config/prepull_docker.sh11
1 files changed, 9 insertions, 2 deletions
diff --git a/kubernetes/config/prepull_docker.sh b/kubernetes/config/prepull_docker.sh
index 596ace6ad5..bfd679bf3e 100755
--- a/kubernetes/config/prepull_docker.sh
+++ b/kubernetes/config/prepull_docker.sh
@@ -27,8 +27,15 @@ EOF
#calling syntax: parse_yaml <yaml_file_name>
parse_yaml () {
- local prefix=$2
- local s='[[:space:]]*' w='[a-zA-Z0-9_]*' fs=$(echo @|tr @ '\034')
+ local prefix
+ prefix=$2
+ local s
+ s='[[:space:]]*'
+ local w
+ w='[a-zA-Z0-9_]*'
+ local fs
+ fs=$(echo @|tr @ '\034')
+
sed -ne "s|^\($s\):|\1|" \
-e "s|^\($s\)\($w\)$s:$s[\"']\(.*\)[\"']$s\$|\1$fs\2$fs\3|p" \
-e "s|^\($s\)\($w\)$s:$s\(.*\)$s\$|\1$fs\2$fs\3|p" $1 |