{"id":45556,"date":"2023-08-11T14:57:24","date_gmt":"2023-07-29T04:04:31","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45556-2\/"},"modified":"2024-04-30T18:05:04","modified_gmt":"2024-04-30T10:05:04","slug":"45556-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45556-2\/","title":{"rendered":""},"content":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3001@ekusiadadus\u3067\u3059\u3002<br \/>\nCLI \u30c4\u30fc\u30eb\u4f5c\u3063\u3066\u3044\u307e\u3059\u304b\uff1f<br \/>\nCLI \u30c4\u30fc\u30eb\u3092 Rust \u3067\u4f5c\u308b\u3068\u304d\u306b\u3001\u6bce\u56de\u74b0\u5883\u3092\u6574\u3048\u308b\u306e\u304c\u9762\u5012\u3060\u3063\u305f\u306e\u3067\u3001\u30c6\u30f3\u30d7\u30ec\u3092\u4f5c\u308a\u307e\u3057\u305f\u3002<br \/>\n\u4eca\u56de\u306f\u305d\u306e\u30c6\u30f3\u30d7\u30ec\u3092\u4f7f\u3063\u3066\u3001\u7c21\u6613\u7684\u306a CLI \u30c4\u30fc\u30eb\u3092 Rust \u3067\u7206\u901f\u3067\u4f5c\u3063\u3066\u307f\u307e\u3059\u3002<\/p>\n<p>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306f\u3053\u3061\u3089\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4eca\u56de\u4f5c\u308b\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u306f\u3053\u3061\u3089\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>https:\/\/crates.io\/ \u306b\u767b\u9332\u3057\u3066\u914d\u5e03\u3057\u305f CLI \u30c4\u30fc\u30eb\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>cargo install dirsearch\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/8-0.png\" alt=\"image.png\" \/><\/div>\n<h2>\u30c6\u30f3\u30d7\u30ec\u3092\u4f7f\u3063\u3066 CLI \u30c4\u30fc\u30eb\u3092\u4f5c\u308b<\/h2>\n<p>\u4eca\u56de\u306f\u3001\u3088\u304f\u3042\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u914d\u4e0b\u306b\u5b58\u5728\u3059\u308b\u30d5\u30a9\u30eb\u30c0\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u6570\u3068\u305d\u306e\u5927\u304d\u3055\u3092\u8868\u793a\u3059\u308b CLI \u30c4\u30fc\u30eb\u3092\u7206\u901f\u3067\u4f5c\u3063\u3066\u307f\u307e\u3059\u3002<\/p>\n<h3>\u30c6\u30f3\u30d7\u30ec\u3092\u30af\u30ed\u30fc\u30f3\u3059\u308b<\/h3>\n<p>\u307e\u305a\u306f\u3001\u30c6\u30f3\u30d7\u30ec\u3092\u30af\u30ed\u30fc\u30f3\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>git clone https:\/\/github.com\/ekusiadadus\/rust-cli-template.git\r\n<\/code><\/pre>\n<h3>cargo run \u3067\u5b9f\u884c\u3057\u3066\u307f\u308b<\/h3>\n<p>\u30c6\u30f3\u30d7\u30ec\u3092\u4f7f\u3046\u306b\u306f\u3001\u30c6\u30f3\u30d7\u30ec\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u79fb\u52d5\u3057\u3066\u3001cargo run\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">cd <\/span>rust-cli-template\r\ncargo run\r\n<\/code><\/pre>\n<p>\u3046\u307e\u304f\u3044\u3051\u3070\u3001\u3053\u3093\u306a\u611f\u3058\u3067\u3001rust-cli-template\u3068\u3044\u3046\u540d\u524d\u306e CLI \u30c4\u30fc\u30eb\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u65e2\u306b\u3053\u306e\u6bb5\u968e\u3067\u3001cargo run \u3067 CLI \u30c4\u30fc\u30eb\u304c\u5b9f\u884c\u3067\u304d\u308b\u74b0\u5883\u304c\u6574\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/19-0.png\" alt=\"image.png\" \/><\/div>\n<h3>(\u4f59\u8ac7) mold + cargo watch \u3092\u4f7f\u3046<\/h3>\n<p>mold + cargo watch \u306f\u4f7f\u308f\u306a\u304f\u3066\u3082\u3044\u3044\u3067\u3059\u304c\u3001\u4ee5\u4e0b\u306e\u70b9\u3067\u4fbf\u5229\u3067\u3059\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30db\u30c3\u30c8\u30ea\u30ed\u30fc\u30c9\u3055\u308c\u308b\u958b\u767a\u74b0\u5883<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30d3\u30eb\u30c9\u304c\u901f\u304f\u306a\u308b<\/ul>\n<p>\u3053\u3053\u3089\u8fba\u306f\u3001\u53c2\u8003\u8a18\u4e8b\u3092\u8cbc\u3063\u3066\u304a\u304f\u306e\u3067\u3082\u3057\u3088\u304b\u3063\u305f\u3089\u4f7f\u3063\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4eca\u56de\u306e\u5834\u5408\u3001cargo watch -s &#8216;mold -run cargo run&#8217; \u3067\u30db\u30c3\u30c8\u30ea\u30ed\u30fc\u30c9\u3067\u304d\u308b\u74b0\u5883\u306b\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\nMakefile \u3082\u8f09\u305b\u3066\u3042\u308b\u306e\u3067\u3001make watch \u3067\u52d5\u304d\u307e\u3059\u3002<\/p>\n<p>\u4fdd\u5b58\u3059\u308b\u3068\u81ea\u52d5\u7684\u306b\u30d3\u30eb\u30c9\u3055\u308c\u3066\u3001\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/28-0.gif\" alt=\"build-with-mold.gif\" \/><\/div>\n<h3>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u914d\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u3001\u30d5\u30a9\u30eb\u30c0\u306e\u6570\u3068\u5927\u304d\u3055\u3092\u8868\u793a\u3059\u308b<\/h3>\n<p>walkDir \u3092\u4f7f\u3063\u3066\u3001\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u914d\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u3001\u30d5\u30a9\u30eb\u30c0\u306e\u6570\u3068\u5927\u304d\u3055\u3092\u8868\u793a\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<h4>walkDir \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b<\/h4>\n<p>walkdir\u3092\u3064\u304b\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>cargo add walkdir\r\n<\/code><\/pre>\n<p>walkDir \u3092\u4f7f\u3046\u306b\u306f\u3001use walkdir::WalkDir; \u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<h4>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u914d\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u3001\u30d5\u30a9\u30eb\u30c0\u3092\u53d6\u5f97\u3059\u308b<\/h4>\n<pre class=\"post-pre\"><code><span class=\"k\">use<\/span> <span class=\"nn\">walkdir<\/span><span class=\"p\">::<\/span><span class=\"n\">WalkDir<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"n\">entry<\/span> <span class=\"k\">in<\/span> <span class=\"nn\">WalkDir<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"s\">\".\"<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">let<\/span> <span class=\"n\">entry<\/span> <span class=\"o\">=<\/span> <span class=\"n\">entry<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">();<\/span>\r\n        <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">entry<\/span><span class=\"nf\">.path<\/span><span class=\"p\">()<\/span><span class=\"nf\">.display<\/span><span class=\"p\">());<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>cargo run \u3067\u5b9f\u884c\u3059\u308b\u3068\u3001\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u914d\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u3001\u30d5\u30a9\u30eb\u30c0\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/38-0.png\" alt=\"image.png\" \/><\/div>\n<h4>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u914d\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u3001\u30d5\u30a9\u30eb\u30c0\u306e\u6570\u3068\u5927\u304d\u3055\u3092\u8868\u793a\u3059\u308b<\/h4>\n<p>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u914d\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u3068\u3001\u30d5\u30a9\u30eb\u30c0\u3092\u8d70\u67fb\u3057\u3066\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u6570\u3068\u5927\u304d\u3055\u3092\u8868\u793a\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<br \/>\nwalkdir \u3092\u4f7f\u3046\u3068\u975e\u5e38\u306b\u7c21\u5358\u306b\u30d5\u30a1\u30a4\u30eb\u3068\u30d5\u30a9\u30eb\u30c0\u3092\u8d70\u67fb\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">use<\/span> <span class=\"nn\">walkdir<\/span><span class=\"p\">::<\/span><span class=\"n\">WalkDir<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">const<\/span> <span class=\"nb\">DIR<\/span><span class=\"p\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"nb\">str<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\".\/\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">size<\/span><span class=\"p\">:<\/span> <span class=\"nb\">u64<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">count<\/span><span class=\"p\">:<\/span> <span class=\"nb\">u64<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"k\">for<\/span> <span class=\"n\">entry<\/span> <span class=\"k\">in<\/span> <span class=\"nn\">WalkDir<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"nb\">DIR<\/span><span class=\"p\">)<\/span><span class=\"nf\">.into_iter<\/span><span class=\"p\">()<\/span><span class=\"nf\">.filter_map<\/span><span class=\"p\">(|<\/span><span class=\"n\">e<\/span><span class=\"p\">|<\/span> <span class=\"n\">e<\/span><span class=\"nf\">.ok<\/span><span class=\"p\">())<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">let<\/span> <span class=\"n\">path<\/span> <span class=\"o\">=<\/span> <span class=\"n\">entry<\/span><span class=\"nf\">.path<\/span><span class=\"p\">();<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">path<\/span><span class=\"nf\">.is_file<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">size<\/span> <span class=\"o\">+=<\/span> <span class=\"n\">path<\/span><span class=\"nf\">.metadata<\/span><span class=\"p\">()<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">()<\/span><span class=\"nf\">.len<\/span><span class=\"p\">();<\/span>\r\n            <span class=\"n\">count<\/span> <span class=\"o\">+=<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">entry<\/span><span class=\"nf\">.path<\/span><span class=\"p\">()<\/span><span class=\"nf\">.display<\/span><span class=\"p\">());<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{} files, {} bytes\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">count<\/span><span class=\"p\">,<\/span> <span class=\"n\">size<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5b9f\u969b\u306bcargo run \u3067\u8d70\u3089\u305b\u3066\u307f\u308b\u3068\u3053\u3093\u306a\u611f\u3058\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/43-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u73fe\u5728\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u914d\u4e0b\u306b\u306f\u3001626 \u500b\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u3066\u3001\u7dcf\u5408\u3067304742935 bytes\u306e\u5927\u304d\u3055\u306b\u306a\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<h4>(\u4f59\u8ac7 2) \u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092 Rust \u3067\u3044\u3044\u611f\u3058\u306b\u8868\u793a\u3059\u308b\u306b\u306f&#8230;<\/h4>\n<p>\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092 Rust \u3067\u3044\u3044\u611f\u3058\u306b\u8868\u793a\u3059\u308b\u306b\u306f\u3001file_size\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>use file_size::fit_4;\r\n\r\nassert_eq!(&amp;fit_4(999), \"999\");\r\nassert_eq!(&amp;fit_4(12345), \"12K\");\r\nassert_eq!(&amp;fit_4(999_999), \"1.0M\");\r\nassert_eq!(&amp;fit_4(7_155_456_789_012), \"7.2T\");\r\n<\/code><\/pre>\n<p>\u3053\u3093\u306a\u611f\u3058\u3067\u3001\u3044\u3044\u611f\u3058\u306b\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u8868\u793a\u3057\u3066\u304f\u308c\u308b\u30af\u30ec\u30fc\u30c8\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>println!<span class=\"o\">(<\/span><span class=\"s2\">\"{} files, {} bytes\"<\/span>, count, fit_4<span class=\"o\">(<\/span>size<span class=\"o\">))<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u4f7f\u3063\u3066\u307f\u308b\u3068\u3053\u3093\u306a\u611f\u3058\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/51-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u3048\u3048\u3084\u3093\u3002<\/p>\n<h4>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u914d\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u3067\u4e0a\u4f4d N \u4ef6\u3092\u6301\u3063\u3066\u304f\u308b<\/h4>\n<p>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u914d\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u3067\u4e0a\u4f4d N \u4ef6\u3092\u6301\u3063\u3066\u304f\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<br \/>\n\u3042\u3068 main \u304c\u5927\u304d\u304f\u306a\u3063\u3066\u304d\u305f\u306e\u3067\u3001\u95a2\u6570\u306b\u5207\u308a\u51fa\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">fn<\/span> <span class=\"nf\">get_dir_size<\/span><span class=\"p\">(<\/span><span class=\"n\">dir<\/span><span class=\"p\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"nb\">str<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"nb\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(),<\/span> <span class=\"nb\">Box<\/span><span class=\"o\">&lt;<\/span><span class=\"k\">dyn<\/span> <span class=\"n\">Error<\/span><span class=\"o\">&gt;&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">size<\/span><span class=\"p\">:<\/span> <span class=\"nb\">u64<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">count<\/span><span class=\"p\">:<\/span> <span class=\"nb\">u64<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">tops<\/span><span class=\"p\">:<\/span> <span class=\"nb\">Vec<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">Entry<\/span><span class=\"o\">&gt;<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Vec<\/span><span class=\"p\">::<\/span><span class=\"nf\">with_capacity<\/span><span class=\"p\">(<\/span><span class=\"n\">NUM<\/span> <span class=\"o\">+<\/span> <span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">min_tops<\/span><span class=\"p\">:<\/span> <span class=\"nb\">u64<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"k\">for<\/span> <span class=\"n\">entry<\/span> <span class=\"k\">in<\/span> <span class=\"nn\">WalkDir<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">dir<\/span><span class=\"p\">)<\/span><span class=\"nf\">.into_iter<\/span><span class=\"p\">()<\/span><span class=\"nf\">.filter_map<\/span><span class=\"p\">(|<\/span><span class=\"n\">e<\/span><span class=\"p\">|<\/span> <span class=\"n\">e<\/span><span class=\"nf\">.ok<\/span><span class=\"p\">())<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">let<\/span> <span class=\"n\">path<\/span> <span class=\"o\">=<\/span> <span class=\"n\">entry<\/span><span class=\"nf\">.path<\/span><span class=\"p\">();<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">path<\/span><span class=\"nf\">.is_file<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"k\">let<\/span> <span class=\"n\">t<\/span> <span class=\"o\">=<\/span> <span class=\"n\">path<\/span><span class=\"nf\">.metadata<\/span><span class=\"p\">()<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">()<\/span><span class=\"nf\">.len<\/span><span class=\"p\">();<\/span>\r\n            <span class=\"k\">if<\/span> <span class=\"n\">t<\/span> <span class=\"o\">&gt;<\/span> <span class=\"n\">min_tops<\/span> <span class=\"p\">{<\/span>\r\n                <span class=\"n\">tops<\/span><span class=\"nf\">.push<\/span><span class=\"p\">(<\/span><span class=\"n\">Entry<\/span> <span class=\"p\">{<\/span>\r\n                    <span class=\"n\">path<\/span><span class=\"p\">:<\/span> <span class=\"n\">path<\/span><span class=\"nf\">.to_str<\/span><span class=\"p\">()<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">()<\/span><span class=\"nf\">.to_string<\/span><span class=\"p\">(),<\/span>\r\n                    <span class=\"n\">size<\/span><span class=\"p\">:<\/span> <span class=\"n\">t<\/span><span class=\"p\">,<\/span>\r\n                <span class=\"p\">});<\/span>\r\n                <span class=\"n\">tops<\/span><span class=\"nf\">.sort_by<\/span><span class=\"p\">(|<\/span><span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">|<\/span> <span class=\"n\">b<\/span><span class=\"py\">.size<\/span><span class=\"nf\">.cmp<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">a<\/span><span class=\"py\">.size<\/span><span class=\"p\">));<\/span>\r\n                <span class=\"n\">tops<\/span><span class=\"nf\">.truncate<\/span><span class=\"p\">(<\/span><span class=\"n\">NUM<\/span><span class=\"p\">);<\/span>\r\n                <span class=\"n\">min_tops<\/span> <span class=\"o\">=<\/span> <span class=\"n\">tops<\/span><span class=\"nf\">.last<\/span><span class=\"p\">()<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">()<\/span><span class=\"py\">.size<\/span><span class=\"p\">;<\/span>\r\n            <span class=\"p\">}<\/span>\r\n            <span class=\"n\">size<\/span> <span class=\"o\">+=<\/span> <span class=\"n\">path<\/span><span class=\"nf\">.metadata<\/span><span class=\"p\">()<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">()<\/span><span class=\"nf\">.len<\/span><span class=\"p\">();<\/span>\r\n            <span class=\"n\">count<\/span> <span class=\"o\">+=<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{} files, {} bytes\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">count<\/span><span class=\"p\">,<\/span> <span class=\"nf\">fit_4<\/span><span class=\"p\">(<\/span><span class=\"n\">size<\/span><span class=\"p\">));<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{} largest files:\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">NUM<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{} | {}\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"Size\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"Path\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"n\">t<\/span> <span class=\"k\">in<\/span> <span class=\"n\">tops<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{} | {}\"<\/span><span class=\"p\">,<\/span> <span class=\"nf\">fit_4<\/span><span class=\"p\">(<\/span><span class=\"n\">t<\/span><span class=\"py\">.size<\/span><span class=\"p\">),<\/span> <span class=\"n\">t<\/span><span class=\"py\">.path<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"nf\">Ok<\/span><span class=\"p\">(())<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5b9f\u884c\u3059\u308b\u3068\u3053\u3093\u306a\u611f\u3058\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/57-0.png\" alt=\"image.png\" \/><\/div>\n<h4>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u914d\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u3067\u4e0a\u4f4d N \u4ef6\u3092\u6301\u3063\u3066\u304f\u308b (\u4e26\u5217\u51e6\u7406)<\/h4>\n<h4>Clap \u3092\u4f7f\u3063\u3066\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u306b\u3059\u308b<\/h4>\n<p>clap v4 \u3092\u4f7f\u3063\u3066\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u306b\u3057\u307e\u3059\u3002<br \/>\nv4 \u306f\u3001v3 \u3068\u306f\u304b\u306a\u308a\u9055\u3046\u306e\u3067\u3001clap v4 \u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u898b\u306a\u304c\u3089\u9032\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">use<\/span> <span class=\"nn\">clap<\/span><span class=\"p\">::<\/span><span class=\"n\">Parser<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"nd\">#[derive(Parser)]<\/span>\r\n<span class=\"nd\">#[command(author,<\/span> <span class=\"nd\">version,<\/span> <span class=\"nd\">about,<\/span> <span class=\"nd\">long_about<\/span> <span class=\"nd\">=<\/span> <span class=\"nd\">None)]<\/span> <span class=\"c1\">\/\/ Read from `Cargo.toml`<\/span>\r\n<span class=\"k\">struct<\/span> <span class=\"n\">Cli<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nd\">#[arg(long)]<\/span>\r\n    <span class=\"n\">number<\/span><span class=\"p\">:<\/span> <span class=\"nb\">usize<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">cli<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Cli<\/span><span class=\"p\">::<\/span><span class=\"nf\">parse<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">num<\/span> <span class=\"o\">=<\/span> <span class=\"n\">cli<\/span><span class=\"py\">.number<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">dir<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">DIR<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"k\">if<\/span> <span class=\"n\">num<\/span> <span class=\"o\">==<\/span> <span class=\"mi\">0<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Number of files to show must be greater than 0\"<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"k\">return<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"nf\">get_dir_size<\/span><span class=\"p\">(<\/span><span class=\"n\">dir<\/span><span class=\"p\">,<\/span> <span class=\"n\">num<\/span><span class=\"p\">)<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u5b9f\u969b\u306b\u5b9f\u884c\u3059\u308b\u3068\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/63-0.png\" alt=\"image.png\" \/><\/div>\n<p>&#8211;number argument \u3092\u5fd8\u308c\u308b\u3068\u6012\u3089\u308c\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/65-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u4f8b\u3048\u3070\u3001\u4e0a\u4f4d 100 \u4ef6\u3092\u8868\u793a\u3059\u308b\u306b\u306f\u3001&#8211;number 100\u3068\u3057\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/67-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067 &#8211;help \u304c\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/69-0.png\" alt=\"image.png\" \/><\/div>\n<p>Cargo.toml \u306b\u66f8\u3044\u305f\u60c5\u5831\u304c\u3001&#8211;help \u3067\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nn\">[package]<\/span>\r\n<span class=\"py\">name<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"dirsearch\"<\/span>\r\n<span class=\"py\">version<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"0.1.0\"<\/span>\r\n<span class=\"py\">edition<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"2021\"<\/span>\r\n<span class=\"py\">license<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"MIT OR Apache-2.0\"<\/span>\r\n<span class=\"py\">description<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"? Rust CLI Template using clap v4 ?\"<\/span>\r\n<span class=\"py\">readme<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"README.md\"<\/span>\r\n<span class=\"py\">homepage<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"https:\/\/github.com\/ekusiadadus\/dirsearch\"<\/span>\r\n<span class=\"py\">repository<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"https:\/\/github.com\/ekusiadadus\/dirsearch\"<\/span>\r\n<span class=\"py\">keywords<\/span> <span class=\"p\">=<\/span> <span class=\"p\">[<\/span><span class=\"s\">\"cli\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"Japan\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"Rust\"<\/span><span class=\"p\">]<\/span>\r\n<span class=\"py\">categories<\/span> <span class=\"p\">=<\/span> <span class=\"p\">[<\/span><span class=\"s\">\"command-line-utilities\"<\/span><span class=\"p\">]<\/span>\r\n\r\n<span class=\"c\"># See more keys and their definitions at https:\/\/doc.rust-lang.org\/cargo\/reference\/manifest.html<\/span>\r\n\r\n<span class=\"nn\">[dependencies]<\/span>\r\n<span class=\"nn\">clap<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"py\">version<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"4.0.29\"<\/span><span class=\"p\">,<\/span> <span class=\"py\">features<\/span> <span class=\"p\">=<\/span> <span class=\"p\">[<\/span><span class=\"s\">\"derive\"<\/span><span class=\"p\">]<\/span> <span class=\"p\">}<\/span>\r\n<span class=\"py\">file-size<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"1.0.3\"<\/span>\r\n<span class=\"py\">walkdir<\/span> <span class=\"p\">=<\/span> <span class=\"s\">\"2.3.2\"<\/span>\r\n<\/code><\/pre>\n<h4>dirsearch \u3092 cretes.io \u306b\u767b\u9332\u3057\u3066\u914d\u5e03\u3059\u308b<\/h4>\n<p>https:\/\/crates.io\/<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/74-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u304c\u3067\u304d\u305f\u306e\u3067\u3001\u5b9f\u969b\u306b cargo install dirsearch \u3067\u304d\u308b\u3088\u3046\u306bhttps:\/\/crates.io\/\u306b\u767b\u9332\u3057\u307e\u3059\u3002<\/p>\n<p>cargo release &#8211;dry-run \u3067\u3001\u30ea\u30ea\u30fc\u30b9\u306e\u6e96\u5099\u3092\u3057\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/77-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u6210\u529f\u3057\u305f\u3089\u3001\u5b9f\u969b\u306b\u30ed\u30fc\u30ab\u30eb\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u52d5\u304b\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>cargo install &#8211;path . \u3067\u3001\u30ed\u30fc\u30ab\u30eb\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u307e\u3059\u3002<br \/>\ndirsearch \u3067\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u304c\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/80-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5404\u30b3\u30de\u30f3\u30c9\u304c\u5b9f\u969b\u306b\u52d5\u304f\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/82-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u3061\u3083\u3093\u3068\u52d5\u3044\u3066\u3044\u305d\u3046\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/84-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5b9f\u969b\u306b\u52d5\u3044\u3066\u3044\u308b\u306e\u3067\u3001\u914d\u5e03\u3057\u307e\u3059\u3002<br \/>\ncargo publish \u3067\u3001https:\/\/crates.io\/\u306b\u767b\u9332\u3067\u304d\u307e\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/86-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u767b\u9332\u3067\u304d\u305f\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/88-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u3053\u308c\u3067\u3001\u3069\u3053\u304b\u3089\u3067\u3082cargo install dirsearch\u3067\u304d\u307e\u3059\u306d\uff01<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d600c37434c4406cf9b03\/90-0.png\" alt=\"image.png\" \/><\/div>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>Rust \u3067\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3092\u7206\u901f\u3067\u4f5c\u308b\u74b0\u5883\u3092\u69cb\u7bc9\u3057\u3088\u3046 2022 \u5e74\u7248\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u3044\u304b\u304c\u3060\u3063\u305f\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>&nbsp;<\/p>\n<p>\u30c6\u30f3\u30d7\u30ec\u3092\u4f7f\u3063\u3066\u3092\u914d\u5e03\u3059\u308b\u307e\u3067\u306b 1 \u6642\u9593\u304b\u304b\u3089\u305a\u884c\u3048\u307e\u3057\u305f\uff01<\/p>\n<p>&nbsp;<\/p>\n<p>\u4e0a\u304c\u4eca\u56de\u5b9f\u969b\u306b\u914d\u5e03\u3057\u305f\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u306e\u30ea\u30dd\u30b8\u30c8\u30ea\u3067\u3059\u3002<br \/>\n\u3081\u3061\u3083\u304f\u3061\u3083\u304b\u3093\u305f\u3093\u3067\u3059\u3088\u306d\uff01<\/p>\n<p>&nbsp;<\/p>\n<p>\u4ed6\u306b\u3082\u3001Rust \u3067\u4f5c\u3063\u305f\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3092\u30c6\u30f3\u30d7\u30ec\u304b\u3089\u4f5c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u3053\u3053\u3089\u8fba\u306f\u3001Twitter API \u3092\u4f7f\u3063\u3066\u3044\u308b\u306e\u3067\u5b8c\u5168\u306b\u81ea\u5206\u7528\u3067\u3059\u304c\u3001Rust \u3067\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3092\u4f5c\u308b\u306e\u306f\u3068\u3066\u3082\u697d\u3057\u3044\u3067\u3059\u306d\uff01<br \/>\nclap v4 \u304b\u3089\u304b\u306a\u308a\u4ed5\u69d8\u304c\u5909\u308f\u3063\u305f\u306e\u3067\u3001\u7d50\u69cb clap \u306b\u306a\u308c\u308b\u306e\u304c\u5927\u5909\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u30c6\u30f3\u30d7\u30ec\u3092\u4f7f\u3063\u3066\u7206\u901f\u3067\u4f5c\u308c\u308b\u306e\u3067\u3001\u305c\u3072\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3001@ekusiadadus\u3067\u3059\u3002 CLI \u30c4\u30fc\u30eb\u4f5c\u3063\u3066\u3044\u307e\u3059\u304b\uff1f CLI \u30c4\u30fc\u30eb\u3092 Rust \u3067\u4f5c\u308b [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45556","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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