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package pods
import (
"io/ioutil"
"strings"
"github.com/pkg/errors"
)
// readPodIDFiles reads the specified files and returns their content (i.e.,
// first line).
func readPodIDFiles(files []string) ([]string, error) {
ids := []string{}
for _, podFile := range files {
content, err := ioutil.ReadFile(podFile)
if err != nil {
return nil, errors.Wrap(err, "error reading pod ID file")
}
id := strings.Split(string(content), "\n")[0]
ids = append(ids, id)
}
return ids, nil
}
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