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//
// Copyright (c) 2017 Intel Corporation
//
// 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.
//
package main
import (
"encoding/csv"
"flag"
"fmt"
"os"
"github.com/intel/tfortools"
)
var code string
func init() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "Usage: %s [-f template] file\n", os.Args[0])
flag.PrintDefaults()
fmt.Fprintln(os.Stderr)
fmt.Fprintln(os.Stderr, tfortools.GenerateUsageUndecorated([][]string{}))
}
flag.StringVar(&code, "f", "{{table (totable .)}}", "string containing the template code to execute")
}
func applyTemplate(path string) error {
f, err := os.Open(path)
if err != nil {
return fmt.Errorf("Unable to open %s : %v", path, err)
}
defer func() {
_ = f.Close()
}()
data, err := csv.NewReader(f).ReadAll()
if err != nil {
return fmt.Errorf("Unable to read %s : %v", path, err)
}
return tfortools.OutputToTemplate(os.Stdout, "csv", code, data, nil)
}
func main() {
flag.Parse()
if len(flag.Args()) != 1 {
flag.Usage()
os.Exit(1)
}
if err := applyTemplate(flag.Args()[0]); err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
}
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