mirror of
https://github.com/IBM/fp-go.git
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47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
// Copyright (c) 2023 IBM Corp.
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// All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package exec
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import (
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"bytes"
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"context"
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"fmt"
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"os/exec"
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EX "github.com/IBM/fp-go/exec"
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T "github.com/IBM/fp-go/tuple"
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)
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func Exec(ctx context.Context, name string, args []string, in []byte) (EX.CommandOutput, error) {
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// command input
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cmd := exec.CommandContext(ctx, name, args...)
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cmd.Stdin = bytes.NewReader(in)
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// command result
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var stdOut bytes.Buffer
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var stdErr bytes.Buffer
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cmd.Stdout = &stdOut
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cmd.Stderr = &stdErr
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// execute the command
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err := cmd.Run()
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if err != nil {
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err = fmt.Errorf("command execution of [%s][%s] failed, stdout [%s], stderr [%s], cause [%w]", name, args, stdOut.String(), stdErr.String(), err)
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}
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// return the outputs
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return T.MakeTuple2(stdOut.Bytes(), stdErr.Bytes()), err
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}
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