2019年9月14日 – 端くれプログラマの備忘録

[Unix] identify – 画像ファイルの情報を表示する

2019年9月14日2019年9月14日 @84kure

identifyはImageMagicに同梱されているコマンドラインツール。画像ファイルの様々な情報を表示してくれる。

Homesteadで使いたかったのでインストール。

$ sudo apt-get -y install imagemagick
$ identify -version
Version: ImageMagick 6.9.7-4 Q16 x86_64 20170114 http://www.imagemagick.org
Copyright: © 1999-2017 ImageMagick Studio LLC
License: http://www.imagemagick.org/script/license.php
Features: Cipher DPC Modules OpenMP
Delegates (built-in): bzlib djvu fftw fontconfig freetype jbig jng jpeg lcms lqr ltdl lzma openexr pangocairo png tiff wmf x xml zlib

$ sudo apt-get -y install imagemagick

$ identify -version

Version: ImageMagick 6.9.7-4 Q16 x86_64 20170114 http://www.imagemagick.org

License: http://www.imagemagick.org/script/license.php

Features: Cipher DPC Modules OpenMP

Delegates (built-in): bzlib djvu fftw fontconfig freetype jbig jng jpeg lcms lqr ltdl lzma openexr pangocairo png tiff wmf x xml zlib

参考サイト

ImageMagick – Command-line Tools: Identify
https://imagemagick.org/script/identify.php

identifyコマンドの使い方: UNIX/Linuxの部屋
http://x68000.q-e-d.net/~68user/unix/pickup?identify

UbuntuにImageMagickをインストールする – Linuxプログラミング環境インストール物語
https://pcl.solima.net/archives/716

[C#] 有効なネットワークアダプタのMACアドレス取得

2019年9月14日 @84kure

using System;
using System.Collections.Generic;

using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;

List<PhysicalAddress> GetPhysicalAddresses()
{
    var macAddresses = new List<PhysicalAddress>();
    var interfaces = NetworkInterface.GetAllNetworkInterfaces();

    foreach (var adapter in interfaces)
    {
        if (adapter.OperationalStatus == OperationalStatus.Up)
        {
            //Console.WriteLine(adapter.Description);
            //Console.WriteLine(adapter.GetPhysicalAddress().ToString());

            macAddresses.Add(adapter.GetPhysicalAddress());
        }
    }
    return macAddresses;
}

using System;

using System.Collections.Generic;

using System.Net;

using System.Net.NetworkInformation;

using System.Net.Sockets;

List<PhysicalAddress> GetPhysicalAddresses()

{

var macAddresses = new List<PhysicalAddress>();

var interfaces = NetworkInterface.GetAllNetworkInterfaces();

foreach (var adapter in interfaces)

{

if (adapter.OperationalStatus == OperationalStatus.Up)

{

//Console.WriteLine(adapter.Description);

//Console.WriteLine(adapter.GetPhysicalAddress().ToString());

macAddresses.Add(adapter.GetPhysicalAddress());

}

return macAddresses;

}

[C#] 有効なネットワークアダプタのIPアドレス取得

2019年9月14日2019年9月14日 @84kure

using System;
using System.Collections.Generic;

using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;

List<IPAddress> GetIPAddresses()
{
    var ipAddresses = new List<IPAddress>();
    var interfaces = NetworkInterface.GetAllNetworkInterfaces();

    foreach (var adapter in interfaces)
    {
        if (adapter.OperationalStatus == OperationalStatus.Up)
        {
            var properties = adapter.GetIPProperties();

            foreach (var unicast in properties.UnicastAddresses)
            {
                switch (unicast.Address.AddressFamily)
                {
                    case AddressFamily.InterNetwork:
                    case AddressFamily.InterNetworkV6:
                        ipAddresses.Add(unicast.Address);
                        break;
                }
            }
        }
    }
    return ipAddresses;
}

using System;

using System.Collections.Generic;

using System.Net;

using System.Net.NetworkInformation;

using System.Net.Sockets;

List<IPAddress> GetIPAddresses()

{

var ipAddresses = new List<IPAddress>();

var interfaces = NetworkInterface.GetAllNetworkInterfaces();

foreach (var adapter in interfaces)

{

if (adapter.OperationalStatus == OperationalStatus.Up)

{

var properties = adapter.GetIPProperties();

foreach (var unicast in properties.UnicastAddresses)

{

switch (unicast.Address.AddressFamily)

{

case AddressFamily.InterNetwork:

case AddressFamily.InterNetworkV6:

ipAddresses.Add(unicast.Address);

break;

}

return ipAddresses;

}

[C#] ユーザ名の取得

2019年9月14日 @84kure

using System;

string userName = Environment.UserName;

Console.WriteLine(userName);

using System;

string userName = Environment.UserName;

Console.WriteLine(userName);

[C#] マシン名の取得

2019年9月14日 @84kure

using System;

string machineName = Environment.MachineName;

Console.WriteLine(machineName);

using System;

string machineName = Environment.MachineName;

Console.WriteLine(machineName);