1 files changed, 60 insertions, 0 deletions
diff --git a/cmd/uptfs/main.go b/cmd/uptfs/main.go
new file mode 100644
index 0000000..4ecb045
--- /dev/null
+++ b/cmd/uptfs/main.go
@@ -0,0 +1,60 @@
+package main
+
+import (
+	"bufio"
+	"errors"
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/alexflint/go-arg"
+	"github.com/ayyansea/uptfs/internal/filter"
+	"github.com/ayyansea/uptfs/internal/split"
+	"github.com/ayyansea/uptfs/internal/token"
+)
+
+var args struct {
+	Foo string `help:"it's a foo"`
+	Bar bool   `help:"it's a bar"`
+}
+
+func main() {
+	arg.MustParse(&args)
+	fmt.Println(args.Foo, args.Bar)
+
+	scanner := bufio.NewScanner(os.Stdin)
+	scanner.Scan()
+	inputString := scanner.Text()
+
+	if inputString == "" {
+		err := errors.New("the input string is empty")
+		fmt.Printf("%v\n", err)
+		os.Exit(1)
+	}
+
+	additionalDelimeters := []string{",", "."}
+	tokens := strings.Split(inputString, " ")
+	tokens = split.FormatInput(tokens, additionalDelimeters)
+
+	if len(tokens) == 0 {
+		err := errors.New("the slice is empty")
+		fmt.Printf("%v\n", err)
+		os.Exit(1)
+	}
+
+	var linkedTokens token.LinkedTokenList
+	token.SliceToLinkedTokenSlice(tokens, &linkedTokens)
+
+	lowercaseFilter := filter.NewLowercaseFilterWithExtraSteps()
+	uppercaseFilter := filter.NewUppercaseFilter()
+
+	for current := linkedTokens.GetHead(); current != nil; current = current.GetNextToken() {
+		current.SetContent(lowercaseFilter.Filter(current.GetContent()))
+		current.SetContent(uppercaseFilter.Filter(current.GetContent()))
+	}
+
+	head := linkedTokens.GetHead()
+	tail := linkedTokens.GetTail()
+	fmt.Println("Head: ", head.GetContent())
+	fmt.Println("Tail: ", tail.GetContent())
+}