{"id":1374,"date":"2026-10-13T13:10:38","date_gmt":"2026-10-13T04:10:38","guid":{"rendered":"https:\/\/blog.txn.red\/?p=1374"},"modified":"2026-10-13T13:11:19","modified_gmt":"2026-10-13T04:11:19","slug":"%e3%83%8f%e3%83%83%e3%82%b7%e3%83%a5%e3%83%81%e3%82%a7%e3%83%83%e3%82%af%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/blog.txn.red\/?p=1374","title":{"rendered":"\u30cf\u30c3\u30b7\u30e5\u30c1\u30a7\u30c3\u30af\u65b9\u6cd5"},"content":{"rendered":"\n

Iso \u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u969b\u3001\u30cf\u30c3\u30b7\u30e5\u5024\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u6b63\u3057\u304f\u7d42\u4e86\u3057\u305f\u304b\u78ba\u8a8d\u3057\u305f\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u30cf\u30c3\u30b7\u30e5\u3092\u3068\u3063\u3066\u76ee\u8996\u3067\u78ba\u8a8d\u3057\u3066\u3082\u3044\u3044\u3093\u3060\u3051\u3069\u3001\u6b63\u76f4\u9762\u5012\u3067\u3059\u3002<\/p>\n\n\n\n

sha256sum \u3068\u304b md5sum \u306a\u3093\u304b\u3067\u3067\u304d\u308b\u3093\u3060\u3051\u3069\u3001\u3069\u3046\u3057\u3066\u3082\u899a\u3048\u3089\u308c\u306a\u3044\u306e\u3067\u30e1\u30e2<\/p>\n\n\n\n

; \u30cf\u30c3\u30b7\u30e5\u4e0d\u4e00\u81f4\u306e\u3068\u304d\u306f\u8868\u793a\u306a\u3057\u306b\u306a\u308b\n$ sha256sum aa.iso |grep -i \u30cf\u30c3\u30b7\u30e5\u5024\n\n\n; \u3053\u306e\u30d1\u30bf\u30fc\u30f3\u3060\u3068 " \u306e\u306a\u304b\u3067\u30d5\u30a1\u30a4\u30eb\u540d\u306e\u88dc\u5b8c\u304c\u3067\u304d\u306a\u3044\u306e\u3067\u3061\u3087\u3063\u3068\u9762\u5012\n$ echo "\u30cf\u30c3\u30b7\u30e5\u5024 aa.iso" |sha256sum\n\n;  bash, zsh \u306a\u3069\u306f\u53ef\u3001sh \u3060\u3068\u3067\u304d\u306a\u3044\n$ sha256sum -c <<< "<\u30cf\u30c3\u30b7\u30e5\u5024>  aa.iso"<\/code><\/pre><\/div>\n\n\n\n
\u3069\u308c\u3082\u4e00\u9577\u4e00\u77ed\u3042\u308b\u3051\u308c\u3069\u3001\u81ea\u5206\u306e\u601d\u8003\u306e\u30af\u30bb\u3067\u306f\u3001\u5f8c grep \u304c1\u756a\u697d\u306b\u601d\u3044\u51fa\u305b\u308b\u3002<\/p>\n\n\n\n
\u3064\u3044\u3067\u306b\u30b9\u30af\u30ea\u30d7\u30c8\u3092 claude \u306b\u66f8\u3044\u3066\u3082\u3089\u3063\u305f\u3002<\/p>\n\n\n\n
zsh \u3067\u52d5\u304b\u3057\u3066\u3044\u308b\u304c bash \u306b\u3059\u308b\u306b\u306f\u3001 1 \u884c\u76ee\u3092 bazh \u306b\u3057\u3066 13\u300114 \u884c\u306e\u30b3\u30e1\u30f3\u30c8\u3092\u5165\u308c\u66ff\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n\n\n\n
\u3053\u3046\u3059\u308b\u3068 \u30b9\u30af\u30ea\u30d7\u30c8 \u5bfe\u8c61\u30d5\u30a1\u30a4\u30eb\u540d \u30cf\u30c3\u30b7\u30e5 \u3068\u306a\u308a\u81ea\u5206\u306e\u7656\u3067\u306f\u899a\u3048\u3084\u3059\u3044\u3002<\/p>\n\n\n\n
   1 #!\/usr\/bin\/zsh\n   2 # usage: checksha256.sh FILE HASH\n   3 set -euo pipefail\n   4 \n   5 cmd=sha256sum\n   6 \n   7 if [ $# -ne 2 ]; then\n   8     echo "usage: $(basename "$0") FILE HASH" >&2\n   9     exit 2\n  10 fi\n  11 \n  12 file=$1\n  13 # expected=${2,,}   # bash \u5c0f\u6587\u5b57\u306b\u7d71\u4e00\n  14 expected=${2:l}    # zsh \u3067\u306e\u5c0f\u6587\u5b57\u5316\n  15 \n  16 if [ ! -f "$file" ]; then\n  17     echo "error: file not found: $file" >&2\n  18     exit 2\n  19 fi\n  20 \n  21 actual=$("$cmd" < "$file")\n  22 actual=${actual%% *}\n  23 \n  24 if [ "$actual" = "$expected" ]; then\n  25     echo "OK: $file"\n  26     exit 0\n  27 else\n  28     echo "FAILED: $file" >&2\n  29     echo "  expected: $expected" >&2\n  30     echo "  actual:   $actual" >&2\n  31     exit 1\n  32 fi\n<\/code><\/pre><\/div>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
Iso \u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u969b\u3001\u30cf\u30c3\u30b7\u30e5\u5024\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u6b63\u3057\u304f\u7d42\u4e86\u3057\u305f\u304b\u78ba\u8a8d\u3057\u305f\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002 \u30cf\u30c3\u30b7\u30e5\u3092\u3068\u3063\u3066\u76ee\u8996\u3067\u78ba\u8a8d\u3057\u3066\u3082\u3044\u3044\u3093\u3060\u3051\u3069\u3001\u6b63\u76f4\u9762\u5012\u3067\u3059\u3002 sha256sum \u3068\u304b md5sum \u306a\u3093\u304b\u3067\u3067 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":0,"footnotes":""},"categories":[5],"tags":[8],"class_list":["post-1374","post","type-post","status-publish","format-standard","hentry","category-it","tag-linux"],"_links":{"self":[{"href":"https:\/\/blog.txn.red\/index.php?rest_route=\/wp\/v2\/posts\/1374","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.txn.red\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.txn.red\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.txn.red\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.txn.red\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1374"}],"version-history":[{"count":2,"href":"https:\/\/blog.txn.red\/index.php?rest_route=\/wp\/v2\/posts\/1374\/revisions"}],"predecessor-version":[{"id":1377,"href":"https:\/\/blog.txn.red\/index.php?rest_route=\/wp\/v2\/posts\/1374\/revisions\/1377"}],"wp:attachment":[{"href":"https:\/\/blog.txn.red\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1374"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.txn.red\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1374"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.txn.red\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}