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50 lines
1.7 KiB
Go
50 lines
1.7 KiB
Go
// Copyright (c) 2023 - 2025 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 provides utilities for executing system commands with Either-based error handling.
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package exec
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import (
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"context"
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"github.com/IBM/fp-go/v2/exec"
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"github.com/IBM/fp-go/v2/idiomatic/result"
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GE "github.com/IBM/fp-go/v2/internal/exec"
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)
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var (
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// Command executes a system command and returns the result as an Either.
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// Use this version if the command does not produce any side effects,
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// i.e., if the output is uniquely determined by the input.
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// For commands with side effects, typically you'd use the IOEither version instead.
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//
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// Parameters (curried):
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// - name: The command name/path
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// - args: Command arguments
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// - in: Input bytes to send to the command's stdin
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//
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// Returns Either[error, CommandOutput] containing the command's output or an error.
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//
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// Example:
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//
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// result := exec.Command("echo")( []string{"hello"})([]byte{})
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// // result is Right(CommandOutput{Stdout: "hello\n", ...})
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Command = result.Curry3(command)
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)
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func command(name string, args []string, in []byte) (exec.CommandOutput, error) {
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return GE.Exec(context.Background(), name, args, in)
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}
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