add flags

.editorconfig

@@ -0,0 +1,16 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.go]
+indent_style = tab
+
+[*.yaml, *.yml]
+indent_style = space
+indent_size = 2

.github/workflows/release.yml

@@ -0,0 +1,38 @@
+# .github/workflows/release.yml
+name: goreleaser
+
+on:
+  push:
+    # run only against tags
+    tags:
+      - "*"
+
+permissions:
+  contents: write
+  # packages: write
+  # issues: write
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - run: git fetch --force --tags
+      - uses: actions/setup-go@v4
+        with:
+          go-version: stable
+      # More assembly might be required: Docker logins, GPG, etc.
+      # It all depends on your needs.
+      - uses: goreleaser/goreleaser-action@v5
+        with:
+          # either 'goreleaser' (default) or 'goreleaser-pro':
+          distribution: goreleaser
+          version: latest
+          args: release --clean
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          # Your GoReleaser Pro key, if you are using the 'goreleaser-pro'
+          # distribution:
+          # GORELEASER_KEY: ${{ secrets.GORELEASER_KEY }}

.gitignore

@@ -19,3 +19,4 @@
 
 # Go workspace file
 go.work
+bin/**

.pre-commit-config.yaml

@@ -0,0 +1,20 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.0.1
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-added-large-files
+
+  - repo: https://github.com/dnephin/pre-commit-golang
+    rev: v0.5.1
+    hooks:
+      - id: go-fmt
+      - id: go-vet
+      - id: go-lint
+      - id: go-imports
+    #   - id: go-cyclo
+    #     args: [-over=15]
+    #   - id: golangci-lint
+    #     additional_dependencies: [[email protected]]

README.md

@@ -1,3 +1,20 @@
 # j2ndj #
 
+[![goreleaser](https://github.com/do-i-need-a-username/j2ndj/actions/workflows/release.yml/badge.svg)](https://github.com/do-i-need-a-username/j2ndj/actions/workflows/release.yml)
+[![Go Report Card](https://goreportcard.com/badge/github.com/do-i-need-a-username/j2ndj)](https://goreportcard.com/report/github.com/do-i-need-a-username/j2ndj)
+[![codecov](https://codecov.io/gh/do-i-need-a-username/j2ndj/branch/main/graph/badge.svg?token=ZQZQZQZQZQ)](https://codecov.io/gh/do-i-need-a-username/j2ndj)
+[![Go Reference](https://pkg.go.dev/badge/github.com/do-i-need-a-username/j2ndj.svg)](https://pkg.go.dev/github.com/do-i-need-a-username/j2ndj)
+
 Converts a json file to [ndjson](https://ndjson.org/) file. (New Line Delimited JSON)
+
+## Installation ##
+
+```bash
+# Install go
+go install github.com/do-i-need-a-username/j2ndj@latest
+# fins install path
+which j2ndj
+/Users/myuser/go/bin/j2ndj
+# Run the command
+/Users/myuser/go/bin/j2ndj -input /tmp/logs.json -output /tmp/logs.ndjson
+```

main.go

@@ -12,11 +12,19 @@ import (
 
 func main() {
 	input := flag.String("input", "", "Input JSON file")
-	output := flag.String("output", "", "Output file")
+	output := flag.String("output", "", "Output file. Uses input with extention .ndjson if not provided")
+
+	flag.Usage = func() {
+		fmt.Printf("Usage of %s:\n", os.Args[0])
+		fmt.Println("Converts a json file to a New Line Delimited JSON (ndjson) file.")
+		fmt.Println("Flags:")
+		flag.PrintDefaults()
+	}
+
 	flag.Parse()
 
 	if *input == "" {
-		fmt.Println("Please provide an input json file using the -input flag.")
+		flag.Usage()
 		os.Exit(1)
 	}