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// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed 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.
local workflow = import "examples/jsonnet/workflow.jsonnet";
// Workflow that performs a wordcount using shell commands.
{
wordcount: workflow.Workflow {
retries: 12,
schedule: workflow.Schedule {
start_date: "2015-11-15",
start_time: "17:30",
repeat_frequency: 1,
repeat_type: "week",
},
jobs: {
local input_file = "/tmp/passage_test",
local tokens_file = "/tmp/tokens",
local sorted_tokens_file = "/tmp/sorted_tokens",
local counts_file = "/tmp/counts",
// Reads the input file and produces an output file with one word per
// line.
tokenize: workflow.ShJob {
command: "tr ' ' '\n' < %s > %s" % [input_file, tokens_file],
inputs: [input_file],
outputs: [tokens_file],
},
// Takes the tokens file and produces a file with the tokens sorted.
sort: workflow.ShJob {
deps: [":tokenize"],
command: "sort %s > %s" % [tokens_file, sorted_tokens_file],
inputs: [tokens_file],
outputs: [sorted_tokens_file],
},
// Takes the file containing sorted tokens and produces a file containing
// the counts for each word.
count: workflow.ShJob {
deps: [":sort"],
command: "uniq -c %s > %s" % [sorted_tokens_file, counts_file],
inputs: [sorted_tokens_file],
outputs: [counts_file],
},
}
}
}
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