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main.go
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/
main.go
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package main
import (
"fmt"
"os"
"github.com/ntk221/road_to_mercari/converter"
"github.com/ntk221/road_to_mercari/fileutil"
)
// func ReadDir(name string) ([]DirEntry, error)
// func Walk(root string, fn WalkFunc) error
func main() {
args := os.Args[1:]
if len(args) < 1 {
fmt.Fprintln(os.Stderr, "invalid argument")
os.Exit(1)
}
files := []string{}
for _, dir := range args {
dirFiles, err := fileutil.ListFiles(dir)
if err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
continue
}
files = append(files, dirFiles...)
}
for _, file := range files {
if !fileutil.ValidateFileExtension(file, []string{".jpg", ".png", ".JPG", ".PNG"}) {
fmt.Fprintf(os.Stderr, "error: %s is not a valid file", file)
os.Exit(1)
}
}
c := converter.NewConverter(files)
c.Convert()
}