command

README

docs

Documentation

Index

• Constants
• func Cat(opts ...any) gloo.Command[[]byte, []byte]

Examples

• Cat
• Cat (NumberLines)

Constants

const (
	CatNumberLines   catNumberLinesFlag = true
	CatNoNumberLines catNumberLinesFlag = false
)

const (
	CatNumberNonBlank   catNumberNonBlankFlag = true
	CatNoNumberNonBlank catNumberNonBlankFlag = false
)

Functions

func Cat

func Cat(opts ...any) gloo.Command[[]byte, []byte]

Cat returns a Command that concatenates input to output with optional line numbering.

Flags:

• CatNumberLines (-n): number all output lines
• CatNumberNonBlank (-b): number non-blank lines only (overrides -n)

Example

package main

import (
	"fmt"

	"github.com/gloo-foo/testable"

	command "github.com/gloo-foo/cmd-cat"
)

func main() {
	lines, _ := testable.TestLines(command.Cat(), "hello\nworld\n")
	for _, line := range lines {
		fmt.Println(line)
	}
}

Output:
hello
world

Example (NumberLines)

package main

import (
	"fmt"

	"github.com/gloo-foo/testable"

	command "github.com/gloo-foo/cmd-cat"
)

func main() {
	lines, _ := testable.TestLines(command.Cat(command.CatNumberLines), "hello\nworld\n")
	for _, line := range lines {
		fmt.Println(line)
	}
}

Output:
     1	hello
     2	world