INI Tools

; Application Configuration
[General]
AppName=My Application
Version=2.1.0
Language=en-US
Theme=dark

[Window]
Width=1280
Height=720
PositionX=100
PositionY=100
Maximized=false
Fullscreen=false

[Database]
Host=localhost
Port=5432
Database=myapp_db
Username=appuser
; Password should be stored securely, not in INI
ConnectionTimeout=30

[Logging]
Level=INFO
LogFile=app.log
MaxFileSize=10485760  ; 10MB in bytes
RotateCount=5

; Game Settings - Last modified: 2024-01-20

[Graphics]
Resolution=1920x1080
Fullscreen=true
VSync=true
AntiAliasing=4x
TextureQuality=High
ShadowQuality=Medium
EffectsQuality=High
ViewDistance=1000
FOV=90

[Audio]
MasterVolume=80
MusicVolume=70
EffectsVolume=90
VoiceVolume=100
SpeakerMode=Stereo
EnableEAX=false

[Controls]
; Key bindings
MoveForward=W
MoveBackward=S
MoveLeft=A
MoveRight=D
Jump=Space
Crouch=Ctrl
Sprint=Shift
Interact=E
Inventory=Tab
Map=M

[Gameplay]
Difficulty=Normal
AutoSave=true
AutoSaveInterval=300  ; seconds
ShowHints=true
ShowSubtitles=true
Language=English

[Application]
; Some parsers support multi-line with backslash
Description=This is a very long description that   continues on the next line for better readability
  
; Quotes are usually not required but can be used
Path="C:Program FilesMy Appin"
AltPath=C:UsersPublicDocuments

; Special characters in values
ConnectionString=Server=localhost;Database=mydb;User Id=sa;
RegexPattern=^[a-zA-Z0-9]+@[a-zA-Z0-9]+.[a-zA-Z]{2,}$

; URL values
ApiEndpoint=https://api.example.com/v2
Webhook=https://hooks.example.com/webhook?token=abc123&type=config

; Escaped characters (parser-dependent)
Message=Line 1
Line 2	Tabbed
SpecialChars=Value with "quotes" and \backslashes\

; PHP Configuration File
[PHP]
; Enable PHP short tags
short_open_tag = On

; Maximum execution time in seconds
max_execution_time = 30

; Maximum input time in seconds
max_input_time = 60

; Memory limit
memory_limit = 128M

; Error reporting
error_reporting = E_ALL & ~E_DEPRECATED & ~E_STRICT
display_errors = Off
display_startup_errors = Off
log_errors = On
error_log = /var/log/php/error.log

; File uploads
file_uploads = On
upload_max_filesize = 20M
max_file_uploads = 20

; Data handling
post_max_size = 25M
default_charset = "UTF-8"

[Date]
; Timezone setting
date.timezone = "America/New_York"

[Session]
session.save_handler = files
session.save_path = "/var/lib/php/sessions"
session.use_cookies = 1
session.cookie_httponly = 1
session.cookie_secure = 1
session.gc_maxlifetime = 1440

[opcache]
opcache.enable = 1
opcache.memory_consumption = 128
opcache.max_accelerated_files = 10000
opcache.revalidate_freq = 2

[user]
    name = John Doe
    email = john.doe@example.com
    signingkey = 1234567890ABCDEF

[core]
    editor = vim
    whitespace = fix,-indent-with-non-tab,trailing-space,cr-at-eol
    excludesfile = ~/.gitignore_global
    autocrlf = input
    ignorecase = false

[color]
    ui = auto
    branch = auto
    diff = auto
    status = auto

[alias]
    st = status
    co = checkout
    br = branch
    ci = commit
    unstage = reset HEAD --
    last = log -1 HEAD
    lg = log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset'

[push]
    default = simple
    followTags = true

[pull]
    rebase = true

[merge]
    tool = vimdiff
    conflictstyle = diff3

[diff]
    tool = vimdiff
    algorithm = patience

[Desktop Entry]
Version=1.0
Type=Application
Name=Visual Studio Code
GenericName=Text Editor
Comment=Code Editing. Redefined.
Exec=/usr/share/code/code --unity-launch %F
Icon=visual-studio-code
Terminal=false
StartupNotify=true
StartupWMClass=Code
Categories=Development;IDE;TextEditor;
MimeType=text/plain;application/x-code-workspace;
Actions=new-empty-window;
Keywords=vscode;editor;ide;development;

[Desktop Action new-empty-window]
Name=New Empty Window
Exec=/usr/share/code/code --new-window %F
Icon=visual-studio-code

; MyApp Configuration File
; Last updated: 2024-01-20

[Setup]
AppVersion=2.5.0.1234
InstallPath=C:Program FilesMyApp
DataPath=%APPDATA%MyApp
Language=1033  ; English (US)

[MainWindow]
Left=100
Top=100
Width=1024
Height=768
State=0  ; 0=Normal, 1=Minimized, 2=Maximized
AlwaysOnTop=0
Transparency=255  ; 0-255

[Preferences]
AutoUpdate=1
CheckUpdateInterval=7  ; days
ShowSplashScreen=1
SplashDuration=3000  ; milliseconds
RememberLastSession=1
ConfirmExit=1
MinimizeToTray=1

[RecentFiles]
File1=C:DocumentsProject1.dat
File2=C:DocumentsProject2.dat
File3=D:WorkAnalysis.dat
MaxRecentFiles=10

[Toolbar]
Visible=1
Position=Top
ButtonSize=Large
ShowLabels=1
CustomButtons=New,Open,Save,null,Cut,Copy,Paste,null,Help

[Plugins]
Plugin1=AdvancedTools.dll
Plugin2=DataAnalysis.dll
Plugin3=Reporting.dll
AutoLoadPlugins=1

; Service Configuration
[Global]
ServiceName=DataProcessor
LogLevel=INFO
MaxWorkers=10
Timeout=300

[Server:Production]
Host=prod.example.com
Port=8080
SSL=true
CertFile=/etc/ssl/certs/prod.crt
KeyFile=/etc/ssl/private/prod.key
MaxConnections=1000

[Server:Staging]
Host=staging.example.com
Port=8080
SSL=true
CertFile=/etc/ssl/certs/staging.crt
KeyFile=/etc/ssl/private/staging.key
MaxConnections=100

[Server:Development]
Host=localhost
Port=8080
SSL=false
MaxConnections=10
DebugMode=true

[Database:Production]
Driver=postgresql
Host=db-prod.example.com
Port=5432
Name=app_production
User=app_user
PoolSize=50

[Database:Development]
Driver=sqlite
Path=./dev.db
PoolSize=5

[Cache]
Enabled=true
Driver=redis
Host=cache.example.com
Port=6379
TTL=3600
MaxEntries=10000

import configparser
import os

# Create a config object
config = configparser.ConfigParser()

# Read INI file
config.read('app.ini')

# Access values
app_name = config['General']['AppName']
width = config.getint('Window', 'Width')
is_fullscreen = config.getboolean('Window', 'Fullscreen')

# Get with fallback
theme = config.get('General', 'Theme', fallback='light')

# Check if section/option exists
if config.has_section('Database'):
    db_host = config['Database']['Host']

# Modify values
config['Window']['Width'] = '1920'
config['Window']['Height'] = '1080'

# Add new section
config.add_section('NewFeature')
config['NewFeature']['Enabled'] = 'true'
config['NewFeature']['Level'] = '5'

# Write to file
with open('app_modified.ini', 'w') as configfile:
    config.write(configfile)

# Interpolation example
config_interp = configparser.ConfigParser(
    defaults={'home': os.path.expanduser('~')}
)
config_interp.read_string("""
[Paths]
user_dir = %(home)s/Documents
app_dir = %(home)s/MyApp
log_file = %(app_dir)s/app.log
""")

print(config_interp['Paths']['log_file'])
# Output: /home/user/MyApp/app.log

using System;
using System.Runtime.InteropServices;
using System.Text;
using System.Collections.Generic;

public class IniFile
{
    private string filePath;

    [DllImport("kernel32")]
    private static extern int GetPrivateProfileString(
        string section,
        string key,
        string def,
        StringBuilder retVal,
        int size,
        string filePath);

    [DllImport("kernel32")]
    private static extern long WritePrivateProfileString(
        string section,
        string key,
        string val,
        string filePath);

    public IniFile(string filePath)
    {
        this.filePath = filePath;
    }

    public string Read(string section, string key, string defaultValue = "")
    {
        var retVal = new StringBuilder(255);
        GetPrivateProfileString(section, key, defaultValue, retVal, 255, filePath);
        return retVal.ToString();
    }

    public void Write(string section, string key, string value)
    {
        WritePrivateProfileString(section, key, value, filePath);
    }

    // Helper methods
    public int ReadInt(string section, string key, int defaultValue = 0)
    {
        string value = Read(section, key, defaultValue.ToString());
        return int.TryParse(value, out int result) ? result : defaultValue;
    }

    public bool ReadBool(string section, string key, bool defaultValue = false)
    {
        string value = Read(section, key, defaultValue.ToString());
        return value.ToLower() == "true" || value == "1" || value.ToLower() == "yes";
    }
}

// Usage
var ini = new IniFile(@"C:MyAppconfig.ini");

// Read values
string appName = ini.Read("General", "AppName", "DefaultApp");
int windowWidth = ini.ReadInt("Window", "Width", 800);
bool isFullscreen = ini.ReadBool("Window", "Fullscreen", false);

// Write values
ini.Write("General", "LastRun", DateTime.Now.ToString());
ini.Write("Window", "Width", "1920");

const fs = require('fs');
const ini = require('ini');

// Read and parse INI file
const config = ini.parse(fs.readFileSync('./config.ini', 'utf-8'));

// Access values
console.log(config.General.AppName);
console.log(config.Window.Width);

// Modify configuration
config.Window.Width = 1920;
config.Window.Height = 1080;

// Add new section
config.NewSection = {
  enabled: true,
  timeout: 30,
  retries: 3
};

// Convert back to INI format
const iniContent = ini.stringify(config, { 
  section: 'General',  // Default section for top-level keys
  whitespace: true     // Add spacing around =
});

// Write to file
fs.writeFileSync('./config_modified.ini', iniContent);

// Custom INI parser for special cases
class SimpleIniParser {
  static parse(content) {
    const lines = content.split(/
?
/);
    const result = {};
    let currentSection = null;

    for (const line of lines) {
      // Skip empty lines and comments
      if (!line.trim() || line.trim().startsWith(';') || line.trim().startsWith('#')) {
        continue;
      }

      // Section header
      const sectionMatch = line.match(/^[([^]]+)]/);
      if (sectionMatch) {
        currentSection = sectionMatch[1];
        result[currentSection] = result[currentSection] || {};
        continue;
      }

      // Key-value pair
      const keyValueMatch = line.match(/^([^=]+)=(.*)/);
      if (keyValueMatch && currentSection) {
        const key = keyValueMatch[1].trim();
        const value = keyValueMatch[2].trim();
        result[currentSection][key] = value;
      }
    }

    return result;
  }
}

// Usage of custom parser
const customConfig = SimpleIniParser.parse(fs.readFileSync('./app.ini', 'utf-8'));