<script type="application/ld+json">{"@context":"http://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://www.simcentric.com/tc/"},{"@type":"ListItem","position":2,"name":"15 個強大的 Linux Shell 文字處理技巧","item":"https://www.simcentric.com/tc/hong-kong-dedicated-server-tc/15-powerful-linux-shell-text-processing-hacks/"}]}</script> {"id":13470,"date":"2024-07-11T16:18:08","date_gmt":"2024-07-11T08:18:08","guid":{"rendered":"https:\/\/www.simcentric.com\/uncategorized-tc\/15-powerful-linux-shell-text-processing-hacks\/"},"modified":"2024-07-11T16:29:30","modified_gmt":"2024-07-11T08:29:30","slug":"15-powerful-linux-shell-text-processing-hacks","status":"publish","type":"post","link":"https:\/\/www.simcentric.com\/tc\/hong-kong-dedicated-server-tc\/15-powerful-linux-shell-text-processing-hacks\/","title":{"rendered":"15 \u500b\u5f37\u5927\u7684 Linux Shell \u6587\u5b57\u8655\u7406\u6280\u5de7"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<p>\u4f5c\u70ba<a href=\"https:\/\/www.simcentric.com\/tc\/\" target=\"_blank\" rel=\"noopener\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u7684\u7528\u6236\uff0c\u638c\u63e1 Linux shell \u6587\u5b57\u8655\u7406\u662f\u4e00\u9805\u8d85\u80fd\u529b\uff0c\u5c07\u6703\u6975\u5927\u63d0\u9ad8\u60a8\u7684\u5de5\u4f5c\u6548\u7387\u3002\u547d\u4ee4\u5217\u63d0\u4f9b\u4e86\u4e00\u7d44\u8c50\u5bcc\u7684\u5de5\u5177\u96c6\uff0c\u53ef\u4ee5\u4ee5\u5916\u79d1\u624b\u8853\u822c\u7684\u7cbe\u6e96\u5207\u5272\u548c\u8655\u7406\u6587\u5b57\u8cc7\u6599\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u6df1\u5165\u63a2\u8a0e 15 \u500b\u5fc5\u77e5\u7684 Linux shell \u6587\u5b57\u8655\u7406\u6280\u5de7\uff0c\u5e6b\u52a9\u63d0\u9ad8\u60a8\u7684\u751f\u7522\u529b\u3002<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>1. Grep\uff1a\u6587\u5b57\u641c\u5c0b\u5f37\u529b\u5de5\u5177<\/strong><\/h2>\n<p>Grep \u662f\u60a8\u9032\u884c\u9583\u96fb\u822c\u5feb\u901f\u6587\u5b57\u641c\u5c0b\u7684\u9996\u9078\u547d\u4ee4\u3002\u5b83\u7684\u57fa\u672c\u8a9e\u6cd5\u662f\uff1a<\/p>\n<pre><code>grep \"pattern\" file.txt\r\n<\/code><\/pre>\n<p>\u4f46 grep \u7684\u771f\u6b63\u529b\u91cf\u5728\u65bc\u5b83\u7684\u9078\u9805\u3002\u4f8b\u5982\uff0c\u8981\u57f7\u884c\u4e0d\u5340\u5206\u5927\u5c0f\u5beb\u7684\u641c\u5c0b\uff1a<\/p>\n<pre><code>grep -i \"pattern\" file.txt\r\n<\/code><\/pre>\n<p>\u8981\u905e\u6b78\u641c\u5c0b\u76ee\u9304\u4e2d\u7684\u6240\u6709\u6a94\u6848\uff1a<\/p>\n<pre><code>grep -r \"pattern\" directory\/\r\n<\/code><\/pre>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>2. Sed\uff1a\u975e\u51e1\u7684\u6d41\u7de8\u8f2f\u5668<\/strong><\/h2>\n<p>Sed \u662f\u4e00\u500b\u5f37\u5927\u7684\u6d41\u7de8\u8f2f\u5668\uff0c\u53ef\u4ee5\u57f7\u884c\u8907\u96dc\u7684\u6587\u5b57\u8f49\u63db\u3002\u5b83\u7684\u57fa\u672c\u66ff\u63db\u8a9e\u6cd5\u662f\uff1a<\/p>\n<pre><code>sed 's\/old\/new\/g' file.txt\r\n<\/code><\/pre>\n<p>\u4f46 sed \u53ef\u4ee5\u505a\u66f4\u591a\uff0c\u6bd4\u5982\u522a\u9664\u5305\u542b\u67d0\u500b\u6a21\u5f0f\u7684\u884c\uff1a<\/p>\n<pre><code>sed '\/pattern\/d' file.txt\r\n<\/code><\/pre>\n<p>\u6216\u5728\u5339\u914d\u67d0\u500b\u6a21\u5f0f\u7684\u884c\u5f8c\u63d2\u5165\u6587\u5b57\uff1a<\/p>\n<pre><code>sed '\/pattern\/a New line' file.txt\r\n<\/code><\/pre>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>3. Awk\uff1a\u6587\u5b57\u8655\u7406\u745e\u58eb\u8ecd\u5200<\/strong><\/h2>\n<p>Awk \u662f\u4e00\u7a2e\u5b8c\u6574\u7684\u6587\u5b57\u8655\u7406\u8a9e\u8a00\uff0c\u6253\u5305\u5728\u4e00\u500b\u547d\u4ee4\u4e2d\u3002\u5b83\u64c5\u9577\u8655\u7406\u7d50\u69cb\u5316\u6587\u5b57\uff0c\u5982 CSV \u6216 TSV \u6a94\u6848\u3002\u4f8b\u5982\uff0c\u8981\u5217\u5370 CSV \u7684\u7b2c\u4e00\u6b04\u548c\u7b2c\u4e09\u6b04\uff1a<\/p>\n<pre><code>awk -F',' '{print $1, $3}' file.csv\r\n<\/code><\/pre>\n<p>Awk \u9084\u53ef\u4ee5\u57f7\u884c\u8a08\u7b97\u548c\u689d\u4ef6\u5224\u65b7\uff1a<\/p>\n<pre><code>awk '{sum+=$1} END {print sum}' numbers.txt\r\n<\/code><\/pre>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>4. Cut\uff1a\u5217\u5207\u5272\u5668<\/strong><\/h2>\n<p>Cut \u5728\u5f9e\u7d50\u69cb\u5316\u6587\u5b57\u4e2d\u63d0\u53d6\u7279\u5b9a\u5217\u6642\u5f88\u65b9\u4fbf\u3002\u8981\u5207\u5272 CSV \u7684\u7b2c\u4e00\u6b04\u548c\u7b2c\u56db\u6b04\uff1a<\/p>\n<pre><code>cut -d',' -f1,4 file.csv\r\n<\/code><\/pre>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>5. Sort\uff1a\u884c\u6392\u5e8f\u6a5f<\/strong><\/h2>\n<p>\u7576\u60a8\u9700\u8981\u5c0d\u6587\u5b57\u884c\u9032\u884c\u6392\u5e8f\u6642\uff0cSort \u662f\u60a8\u7684\u597d\u670b\u53cb\u3002\u9810\u8a2d\u60c5\u6cc1\u4e0b\uff0c\u5b83\u6309\u5b57\u6bcd\u9806\u5e8f\u6392\u5e8f\uff1a<\/p>\n<pre><code>sort file.txt\r\n<\/code><\/pre>\n<p>\u4f46\u60a8\u4e5f\u53ef\u4ee5\u6309\u6578\u5b57\u6392\u5e8f\uff1a<\/p>\n<pre><code>sort -n file.txt\r\n<\/code><\/pre>\n<p>\u6216\u6309\u7279\u5b9a\u5217\u6392\u5e8f\uff1a<\/p>\n<pre><code>sort -k2 -t',' file.csv\r\n<\/code><\/pre>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>6. Uniq\uff1a\u91cd\u8907\u9805\u92b7\u6bc0\u8005<\/strong><\/h2>\n<p>Uniq \u5c0d\u65bc\u5f9e\u5df2\u6392\u5e8f\u7684\u6a94\u6848\u4e2d\u522a\u9664\u91cd\u8907\u884c\u81f3\u95dc\u91cd\u8981\uff1a<\/p>\n<pre><code>sort file.txt | uniq\r\n<\/code><\/pre>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>7. Tr\uff1a\u5b57\u5143\u8f49\u63db\u5668<\/strong><\/h2>\n<p>Tr \u975e\u5e38\u9069\u5408\u8f49\u63db\u6216\u522a\u9664\u5b57\u5143\u3002\u8981\u5c07\u5c0f\u5beb\u8f49\u63db\u70ba\u5927\u5beb\uff1a<\/p>\n<pre><code>tr 'a-z' 'A-Z' &lt; file.txt\r\n<\/code><\/pre>\n<p>\u6216\u522a\u9664\u6240\u6709\u6578\u5b57\uff1a<\/p>\n<pre><code>tr -d '0-9' &lt; file.txt\r\n<\/code><\/pre>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>8. Paste\uff1a\u6a94\u6848\u5408\u4f75\u5668<\/strong><\/h2>\n<p>Paste \u53ef\u4ee5\u8b93\u60a8\u4e26\u6392\u7d44\u5408\u591a\u500b\u6a94\u6848\uff1a<\/p>\n<pre><code>paste file1.txt file2.txt\r\n<\/code><\/pre>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>9. Wc\uff1a\u5b57\u6578\u7d71\u8a08\u5668<\/strong><\/h2>\n<p>Wc \u7d71\u8a08\u6a94\u6848\u4e2d\u7684\u884c\u6578\u3001\u55ae\u8a5e\u6578\u548c\u5b57\u5143\u6578\u3002\u8981\u7d71\u8a08\u884c\u6578\uff1a<\/p>\n<pre><code>wc -l file.txt\r\n<\/code><\/pre>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>10. Tee\uff1a\u8f38\u51fa\u5206\u5272\u5668<\/strong><\/h2>\n<p>Tee \u5206\u5272\u547d\u4ee4\u8f38\u51fa\uff0c\u540c\u6642\u5c07\u5176\u50b3\u9001\u5230\u6a94\u6848\u548c\u6a19\u6e96\u8f38\u51fa\uff1a<\/p>\n<pre><code>command | tee output.txt\r\n<\/code><\/pre>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>11. Find\uff1a\u6a94\u6848\u67e5\u627e\u5668<\/strong><\/h2>\n<p>Find \u662f\u60a8\u6839\u64da\u5404\u7a2e\u689d\u4ef6\u5b9a\u4f4d\u6a94\u6848\u7684\u76df\u53cb\u3002\u8981\u6309\u540d\u7a31\u67e5\u627e\u6a94\u6848\uff1a<\/p>\n<pre><code>find \/path\/to\/directory -name \"*.txt\"\r\n<\/code><\/pre>\n<p>\u6216\u67e5\u627e\u6700\u8fd1 7 \u5929\u5167\u4fee\u6539\u904e\u7684\u6a94\u6848\uff1a<\/p>\n<pre><code>find \/path\/to\/directory -mtime -7\r\n<\/code><\/pre>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>12. Xargs\uff1a\u547d\u4ee4\u57f7\u884c\u5668<\/strong><\/h2>\n<p>Xargs \u5141\u8a31\u60a8\u5f9e\u6a19\u6e96\u8f38\u5165\u69cb\u5efa\u548c\u57f7\u884c\u547d\u4ee4\u3002\u4e00\u500b\u5e38\u898b\u7684\u7528\u4f8b\u662f\u5c07\u5176\u8207 find \u914d\u5c0d\uff1a<\/p>\n<pre><code>find \/path\/to\/directory -name \"*.txt\" | xargs grep \"pattern\"\r\n<\/code><\/pre>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>13. Head\uff1a\u6a94\u6848\u982d\u90e8\u67e5\u770b\u5668<\/strong><\/h2>\n<p>Head \u986f\u793a\u6a94\u6848\u7684\u7b2c\u4e00\u90e8\u5206\u3002\u8981\u67e5\u770b\u524d 10 \u884c\uff1a<\/p>\n<pre><code>head file.txt\r\n<\/code><\/pre>\n<p>\u6216\u6307\u5b9a\u884c\u6578\uff1a<\/p>\n<pre><code>head -n 5 file.txt\r\n<\/code><\/pre>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>14. Tail\uff1a\u6a94\u6848\u5c3e\u90e8\u67e5\u770b\u5668<\/strong><\/h2>\n<p>Tail \u986f\u793a\u6a94\u6848\u7684\u6700\u5f8c\u4e00\u90e8\u5206\u3002\u8981\u67e5\u770b\u6700\u5f8c 10 \u884c\uff1a<\/p>\n<pre><code>tail file.txt\r\n<\/code><\/pre>\n<p>\u6216\u6301\u7e8c\u76e3\u8996\u6a94\u6848\u8b8a\u5316\uff1a<\/p>\n<pre><code>tail -f log.txt\r\n<\/code><\/pre>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>15. Diff\uff1a\u6a94\u6848\u6bd4\u8f03\u5668<\/strong><\/h2>\n<p>Diff \u9010\u884c\u6bd4\u8f03\u5169\u500b\u6a94\u6848\u7684\u5167\u5bb9\uff1a<\/p>\n<pre><code>diff file1.txt file2.txt\r\n<\/code><\/pre>\n<p>\u638c\u63e1\u4e86\u9019 15 \u500b Linux shell \u6587\u5b57\u8655\u7406\u5229\u5668\uff0c\u60a8\u5c07\u6e96\u5099\u597d\u61c9\u5c0d\u4efb\u4f55\u6587\u5b57\u64cd\u4f5c\u6311\u6230\u3002[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row el_class=&#8221;blog-detail-section&#8221;][vc_ [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.simcentric.com\/tc\/hong-kong-dedicated-server-tc\/15-powerful-linux-shell-text-processing-hacks\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":2,"featured_media":13440,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[2341,2342,2340],"class_list":["post-13470","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-tc","tag-text-processing-tc","tag-command-line-tc","tag-linux-shell-tc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>15 \u500b\u5f37\u5927\u7684 Linux Shell \u6587\u5b57\u8655\u7406\u6280\u5de7<\/title>\n<meta name=\"description\" content=\"\u638c\u63e1 15 \u500b\u95dc\u9375\u7684 Linux shell \u6587\u5b57\u8655\u7406\u547d\u4ee4\uff1agrep\u3001sed\u3001awk\u3001find\u3001xargs\u3001sort\u3001uniq\u3001tr\u3001cut\u3001paste\u3001wc\u3001head\u3001tail\u3001diff \u548c tee\u3002\" 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