lsRunner.go

package fze

import (
	"fmt"
	"os/exec"
	"regexp"
	"strings"
)

func lsRunner(args []string, opts RunnerOptions) error {
	isLong := false
	if len(args) > 0 && args[0] == "-l" {
		isLong = true
	}

	cmd := "ls " + fixArgs(args)
	res, err := exec.Command("bash", "-c", cmd).Output()
	if err != nil {
		return err
	}

	// Run the output from ls through fzf
	outLines, err := runFzf(res, opts)
	if err != nil {
		return fmt.Errorf("runFzf: %v", err)
	}

	var paths []pathArg
	for _, line := range outLines {
		var path string
		if isLong {
			re := regexp.MustCompile(" +")
			// ls -l output has a variable number of spaces between args. Clean this up by replacing multiple spaces with one space
			path = re.ReplaceAllString(line, " ")
			// take 9th column onwards as the path
			path = strings.SplitN(path, " ", 9)[8]
		} else {
			path = line
		}
		paths = append(paths, pathArg{path: path})
	}

	// Run emacsclient
	return openEditor(paths, opts)
}