golang snippet to remove script tags from a file with crude regex

remove-script-tag.go

package main

import (
	"os"
	"regexp"
	"strings"
)

func main() {
	for i := 0; i < len(os.Args); i++ {
		path := os.Args[i]

		scriptRe := regexp.MustCompile(`(?s)<script.*<\/script>`)
		endScriptRe := regexp.MustCompile(`</script>`)

		file, _ := os.ReadFile(path)
		text := string(file)
		result := scriptRe.ReplaceAllStringFunc(text, func(s string) string {
			index := endScriptRe.FindStringIndex(s)
			return strings.TrimSpace(s[index[1]:])
		})
		os.WriteFile(path, []byte(result), 0644)
	}
}

usage.md

call it with:

go run remove-script-tag.go **.html