| #!/usr/bin/env bash |
| |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| if ! declare -f mapred_subcommand_streaming >/dev/null 2>/dev/null; then |
| |
| if [[ "${HADOOP_SHELL_EXECNAME}" = mapred ]]; then |
| hadoop_add_subcommand "streaming" "launch a mapreduce streaming job" |
| fi |
| |
| ## @description streaming command for mapred |
| ## @audience public |
| ## @stability stable |
| ## @replaceable yes |
| function mapred_subcommand_streaming |
| { |
| declare jarname |
| declare oldifs |
| |
| # shellcheck disable=SC2034 |
| HADOOP_CLASSNAME=org.apache.hadoop.util.RunJar |
| hadoop_add_to_classpath_tools hadoop-streaming |
| |
| # locate the streaming jar so we have something to |
| # give to RunJar |
| oldifs=${IFS} |
| IFS=: |
| for jarname in ${CLASSPATH}; do |
| if [[ "${jarname}" =~ hadoop-streaming-[0-9] ]]; then |
| HADOOP_SUBCMD_ARGS=("${jarname}" "${HADOOP_SUBCMD_ARGS[@]}") |
| break |
| fi |
| done |
| |
| IFS=${oldifs} |
| } |
| |
| fi |