{"id":1144,"date":"2021-03-16T09:48:50","date_gmt":"2021-03-16T01:48:50","guid":{"rendered":"\/?p=1144"},"modified":"2021-03-16T09:48:51","modified_gmt":"2021-03-16T01:48:51","slug":"3-3%e5%a6%82%e4%bd%95%e6%9f%a5%e6%89%be%e9%87%8d%e5%a4%8d%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"http:\/\/xinblog.ltd\/?p=1144","title":{"rendered":"3.3\u5982\u4f55\u67e5\u627e\u91cd\u590d\u6587\u4ef6"},"content":{"rendered":"

\u91cd\u590d\u7684\u6587\u4ef6\u662f\u540c\u4e00\u4e2a\u6587\u4ef6\u7684\u591a\u4e2a\u526f\u672c,\u6709\u65f6\u5019,\u6211\u4eec\u9700\u8981\u627e\u5230\u91cd\u590d\u7684\u6587\u4ef6,\u5e76\u4e14\u5bf9\u5176\u8fdb\u884c\u4e00\u4e9b\u64cd\u4f5c,\u6211\u4eec\u53ef\u4ee5\u7ed3\u5408\u591a\u4e2ashell\u5de5\u5177\u53bb\u5b8c\u6210\u8fd9\u9879\u4efb\u52a1<\/p>\n

\u9996\u5148,\u6211\u4eec\u5148\u521b\u5efa\u4e00\u4e9b\u6d4b\u8bd5\u65b9\u6cd5<\/p>\n

echo “Hello” > test;<\/p>\n

cp test test_copy1;.<\/p>\n

cp test test_copy2;<\/p>\n

\u90a3\u4e48\u5982\u4f55\u5bf9\u5176\u8fdb\u884c\u64cd\u4f5c,\u4f1a\u6709\u4e00\u4e2a\u5982\u4e0b\u7684\u811a\u672c\u5e2e\u52a9\u6211\u4eec\u505a\u8fd9\u4ef6\u4e8b,\u5229\u7528\u4e86md5\u503c\u76f8\u540c\u7684\u539f\u56e0<\/p>\n\n\n\n
#!\/bin\/bash<\/p>\n

#\u7528\u4e8e\u67e5\u627e\u5e76\u5220\u9664\u91cd\u590d\u6587\u4ef6,\u6bcf\u4e2a\u6587\u4ef6\u53ea\u4fdd\u5b58\u4e00\u6837<\/p>\n

ls -lS | awk ‘BEGIN{<\/p>\n

getline;getline;<\/p>\n

name1=$8; size=$5<\/p>\n

}<\/p>\n

{name2=$8;<\/p>\n

if(size==$5)<\/p>\n

{<\/p>\n

“md5sum ” name1 |getline;csum1=$1;<\/p>\n

“md5sum ” name2 | getline; csum2=$1<\/p>\n

if (csum1==csum2)<\/p>\n

{print name1; print name2}<\/p>\n

};<\/p>\n

size=$5; name1=name2;<\/p>\n

}’ | sort -u > duplicate_files<\/p>\n

cat duplicate_files |xargs -I {} md5sum {} |<\/p>\n

sort | uniq -w 32 | awk<\/p>\n

‘{print “^”$2″$”}’ | sort -u ><\/p>\n

duplicate_sample<\/p>\n

echo Removing..<\/p>\n

comm duplicate_files duplicate_sample -2 -3| tee \/dev\/stderr |xargs<\/p>\n

rm<\/p>\n

echo Removed is succsess<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u7136\u540e\u76f4\u63a5\u4f7f\u7528\u811a\u672c\u5c31\u53ef\u4ee5\u4e86<\/p>\n

\u6574\u4e2a\u811a\u672c\u7684\u5de5\u4f5c\u539f\u7406\u4e3a<\/p>\n

\u627e\u5230\u67d0\u4e00\u4e2a\u76ee\u5f55\u4e2d\u540c\u4e00\u4e2a\u6587\u4ef6\u7684\u6240\u6709\u526f\u672c,\u7136\u540e\u4fdd\u7559\u5355\u4e2a\u526f\u672c\u7684\u540c\u65f6\u5220\u9664\u5176\u4ed6\u7684\u526f\u672c<\/p>\n

ls -lS \u8ba9\u6587\u4ef6\u6309\u7167\u5927\u5c0f\u8fdb\u884c\u6392\u5e8f\u540e\u8f93\u51fa<\/p>\n

awk\u8fdb\u884c\u8bfb\u53d6\u8f93\u51fa,\u7136\u540e\u8fdb\u884c\u6bd4\u8f83,\u627e\u51fa\u91cd\u590d\u6587\u4ef6<\/p>\n

\u5177\u4f53\u7684\u64cd\u4f5c\u5982\u4e0b:<\/p>\n

1.\u9996\u5148,\u6211\u4eec\u5c06\u6587\u4ef6\u6309\u7167\u5927\u5c0f\u7684\u6392\u5e8f\u65b9\u5f0f\u8fdb\u884c\u5217\u51fa,\u8fd9\u6837\u5927\u5c0f\u63a5\u8fd1\u7684\u6587\u4ef6\u5c31\u4f1a\u6392\u5217\u5728\u4e00\u8d77,\u8bc6\u522b\u5927\u5c0f\u76f8\u540c\u7684\u6587\u4ef6,\u662f\u7b2c\u4e00\u6b65,\u7136\u540e\u8ba1\u7b97md5\u7684\u548c,md5\u76f8\u540c,\u5c31\u53ef\u4ee5\u5220\u9664<\/p>\n

\u9996\u5148\u4f1a\u6267\u884cawk\u7684BEGIN{}\u8bed\u53e5\u5757,\u7136\u540e\u8bfb\u53d6\u6587\u672c\u884c\u7684\u5de5\u4f5c\u5728{}\u8bed\u53e5\u5757\u4e2d\u8fdb\u884c,\u8bfb\u53d6\u5e76\u5904\u7406\u5b8c\u6210\u6240\u6709\u7684\u884c,\u6267\u884cEND{}\u8bed\u53e5,ls -lS\u7684\u8f93\u51fa\u5982\u4e0b<\/p>\n

\"\u56fe\u7247\"<\/p>\n

\u9996\u5148\u662f\u7b2c\u4e00\u884c,\u56e0\u4e3a\u662f\u6253\u5370\u6587\u672c\u6570\u91cf,\u6240\u4ee5\u57fa\u672c\u6ca1\u5565\u7528\u5904,\u7136\u540e\u6211\u4eec\u76f4\u63a5getline,\u83b7\u53d6\u5230\u8fd9\u884c,\u5e76\u8fdb\u884c\u4e22\u5f03<\/p>\n

\u7136\u540e\u5bf9\u6bcf\u4e00\u884c\u4ee5\u53ca\u4e0b\u4e00\u884c\u8fdb\u884c\u5bf9\u6bd4,\u6211\u4eec\u4e00\u6b21\u7684\u591a\u53bb\u6bcf\u4e00\u884c\u53ca\u5176\u4e0b\u4e00\u884c\u6765\u8fdb\u884c\u6587\u4ef6\u5927\u5c0f\u5bf9\u6bd4,\u56e0\u6b64getline\u8bfb\u53d6\u957f\u6587\u4ef6\u5217\u8868\u7684\u7b2c\u4e00\u884c,\u5e76\u5b58\u50a8\u6587\u4ef6\u540d\u548c\u5927\u5c0f,\u8fd9\u6837\u6211\u4eec\u5c31\u63d0\u53d6\u5230\u4e86\u4e00\u884c,awk\u8fdb\u5165{}\u8bed\u53e5\u5757,\u5bf9\u4e8e\u8bfb\u53d6\u5230\u7684\u6bcf\u4e00\u884c,\u90fd\u4f1a\u6267\u884c\u8fd9\u4e2a\u8bed\u53e5\u5757,\u5c06\u4ece\u5f53\u524d\u884c\u4e2d\u8bfb\u53d6\u5230,\u7136\u540e\u5c06\u5f53\u524d\u884c\u4e2d\u8bfb\u53d6\u5230\u7684\u6587\u4ef6\u548c\u4e4b\u524d\u5b58\u50a8\u5728\u53d8\u91cfsize\u4e2d\u7684\u503c\u8fdb\u884c\u6bd4\u8f83,\u5982\u679c\u76f8\u540c,\u5c31\u8fdb\u884c\u4e0b\u4e00\u6b65\u7684\u6bd4\u8f83,\u5229\u7528md5sum\u6267\u884c\u8fdb\u4e00\u6b65\u7684\u68c0\u67e5<\/p>\n

awk\u4e2d,\u5916\u90e8\u547d\u4ee4\u7684\u8f93\u51fa\u53ef\u4ee5\u7528\u4e0b\u9762\u7684\u65b9\u6cd5\u8bfb\u53d6<\/p>\n

“cmd” | getline<\/p>\n

\u968f\u540e,\u6211\u4eec\u4ece$0\u83b7\u53d6\u547d\u4ee4\u7684\u8f93\u51fa,\u5728$1,$2,…$n\u83b7\u53d6\u547d\u4ee4\u8f93\u51fa\u4e2d\u7684\u6bcf\u4e00\u884c,\u7136\u540e\u5c06md5sum\u4fdd\u5b58\u5728\u53d8\u91cfcsum1 csum2\u4e2d,\u53d8\u91cfname1 name2\u4fdd\u5b58\u6587\u4ef6\u5217\u8868\u4e2d\u4f4d\u7f6e\u8fde\u7eed\u4e2d\u7684\u6587\u4ef6\u540d,\u4e24\u4e2a\u6587\u4ef6\u7684\u6821\u9a8c\u76f8\u540c\u4e86,\u5c31\u53ef\u4ee5\u8ba4\u4e3a\u662f\u91cd\u590d\u6587\u4ef6<\/p>\n

\u6211\u4eec\u9700\u8981\u4ece\u6bcf\u7ec4\u91cd\u590d\u6587\u4ef6\u4e2d\u627e\u5230\u4e00\u4e2a\u6587\u4ef6,\u5e76\u4e14\u4fdd\u7559\u4e00\u4e2a\u526f\u672c,\u80fd\u591f\u5220\u9664\u5176\u4ed6\u7684\u91cd\u590d\u7684\u6587\u4ef6,\u6211\u4eec\u8ba1\u7b97\u91cd\u590d\u6587\u4ef6\u7684md5sum,\u4ece\u6bcf\u4e00\u7ec4\u91cd\u590d\u6587\u4ef6\u4e4b\u4e2d\u6253\u5370\u51fa\u4e00\u4e2a\u6587\u4ef6,\u7136\u540e\u901a\u8fc7-w 32\u6bd4\u8f83\u6bcf\u4e00\u884c\u7684md5sum,\u8f93\u51fa\u901a\u5e38\u753132\u4e2a\u5b57\u7b26\u7684\u6563\u5217\u8868\u548c\u6587\u4ef6\u540d\u7ec4\u6210,\u7136\u540e\u627e\u5230\u90a3\u4e9b\u4e0d\u76f8\u540c\u7684\u884c,\u56e0\u6b64,\u6bcf\u7ec4\u91cd\u590d\u7684\u6587\u4ef6\u7684\u4e00\u4e2a\u91c7\u6837\u5c31\u88ab\u5199\u5165 duplicate_sample<\/p>\n

\u73b0\u5728\u5c06duplicate_files\u4e2d\u7d2f\u51fa\u7684\u4e14\u672a\u88ab\u5217\u4e8eduplicate_sample\u4e4b\u5185\u7684\u5168\u90e8\u6587\u4ef6\u5220\u9664,comm\u547d\u4ee4\u6253\u5370\u51fa\u6765\u5e76\u4e14duplicate_sample\u4e4b\u524d,\u6211\u4eec\u9996\u5148\u7528sort -u\u4f5c\u4e3a\u4e00\u4e2a\u8fc7\u6ee4\u5668<\/p>\n

tee\u8fd9\u91cc\u4f5c\u4e3a\u4e00\u4e2a\u4f5c\u7528,\u5c06\u6587\u4ef6\u540d\u4f20\u9012\u7ed9rm\u547d\u4ee4\u7684\u540c\u4e8b,\u8d77\u5230\u4e86print\u7684\u529f\u80fd,tee\u5c06\u6765\u81eastdin\u7684\u884c\u5199\u5165\u6587\u4ef6,\u5e76\u4e14\u5c06\u5176\u53d1\u9001\u5230stdout,\u6211\u4eec\u5c06\u6587\u672c\u91cd\u5b9a\u5411\u5230stderr\u6765\u5b9e\u73b0\u7ec8\u7aef\u6253\u5370\u529f\u80fd \/dev\/stderr\u662f\u5bf9\u5e94stderr\u6807\u51c6\u9519\u8bef\u7684\u8bbe\u5907,\u6211\u4eec\u5c06\u8f93\u51fa\u5b9a\u5411\u7ed9\u8fd9\u4e2a\u8bbe\u5907,\u6765\u81eastdin\u7684\u6587\u672c\u4f1a\u4ee5\u6807\u51c6\u9519\u8bef\u7684\u5f62\u5f0f\u663e\u793a\u7ed9\u7ec8\u7aef\u4e4b\u4e2d<\/p>\n","protected":false},"excerpt":{"rendered":"

\u91cd\u590d\u7684\u6587\u4ef6\u662f\u540c\u4e00\u4e2a\u6587\u4ef6\u7684\u591a\u4e2a\u526f […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"_links":{"self":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/posts\/1144"}],"collection":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1144"}],"version-history":[{"count":0,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/posts\/1144\/revisions"}],"wp:attachment":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1144"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}