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yass id:yass

grepã«é–¢ã™ã‚‹yassã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (40)

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Livegrep - Webãƒ™ãƒ¼ã‚¹ã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰å°‚ç”¨æ¤œç´¢ã‚·ã‚¹ãƒ†ãƒ
ã‚·ã‚¹ãƒ†ãƒ ã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’æ¤œç´¢ã™ã‚‹å ´åˆã€grepãŒå¤šãä½¿ã‚ã‚Œã¾ã™ã€‚ã€Œ-ã€ãªã©ã®è¨˜å·ã‚‚å¤šã„ã®ã§Googleæ¤œç´¢ãŒã†ã¾ãã„ã‹ãªã‹ã£ãŸã‚Šã€é–¢é€£ã™ã‚‹ãƒ©ã‚¤ãƒ–ãƒ©ãƒªå«ã‚ã¦æ¤œç´¢ã—ãŸã„ã“ã¨ã‚‚ã‚ã‚‹ã§ã—ã‚‡ã†ã€‚ãã®çµæžœã€ä¸€è¦‹ã™ã‚‹ã¨ä¸ä¾¿ãªgrepãŒä½¿ã‚ã‚Œã¾ã™ã€‚ ä»Šå›žç´¹ä»‹ã™ã‚‹ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ãƒ»ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã¯Livegrepã€Webãƒ™ãƒ¼ã‚¹ã®ã‚¤ãƒ³ã‚¿ãƒ©ã‚¯ãƒ†ã‚£ãƒ–ãªgrepã§ã™ã€‚ Livegrepã®ä½¿ã„æ–¹ ã“ã¡ã‚‰ãŒæ¤œç´¢çµæžœã§ã™ã€‚ã‚·ãƒ³ãƒ—ãƒ«ã§ã™ãŒã€æ¤œç´¢çµæžœã¯é«˜é€Ÿã«è¡¨ç¤ºã•ã‚Œã¾ã™ã€‚ çµæžœã‚’ã‚¯ãƒªãƒƒã‚¯ã™ã‚‹ã¨GitHubãªã©ã®è©²å½“è¡Œã«ã‚¸ãƒ£ãƒ³ãƒ—ã—ã¾ã™ã€‚æ¤œç´¢ã«ã¯æ£è¦è¡¨ç¾ã‚‚ä½¿ãˆã¾ã™ã€‚ ãƒªãƒã‚¸ãƒˆãƒªã‚’æŒ‡å®šã™ã‚‹ã“ã¨ã‚‚å¯èƒ½ã§ã™ã€‚ Livegrepã¯ã‚¤ãƒ³ã‚¿ãƒ©ã‚¯ãƒ†ã‚£ãƒ–ã«æ¤œç´¢å¯èƒ½ã§ã€æ–‡å—ã‚’å…¥åŠ›ã™ã‚‹åº¦ã«çµžã‚Šè¾¼ã¾ã‚Œã¦ã„ãã¾ã™ã€‚æ—¥æœ¬èªžã‚‚åˆ©ç”¨ã§ãã¾ã™ã€‚ã‚ã‚‰ã‹ã˜ã‚ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹åŒ–ã—ã¦ãŠã‘ã°ã€ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆå†…ã®ã‚³ãƒ¼ãƒ‰ã‚’ç´ æ—©ãæ¤œç´¢ã§ãã‚‹ã§ã—ã‚‡ã†ã€‚ Livegrepã¯C++è£½ã®ã‚ªãƒ¼ãƒ—
yass 2017/11/26
grep

source code
ãƒªãƒ³ã‚¯
ripgrep is faster than {grep, ag, git grep, ucg, pt, sift} - Andrew Gallant's Blog
ripgrep is faster than {grep, ag, git grep, ucg, pt, sift} In this article I will introduce a new command line search tool, ripgrep, that combines the usability of The Silver Searcher (an ack clone) with the raw performance of GNU grep. ripgrep is fast, cross platform (with binaries available for Linux, Mac and Windows) and written in Rust. ripgrep is available on Github. We will attempt to do the
yass 2016/10/30
grep
ãƒªãƒ³ã‚¯
Searching 1.5TB/sec: Systems Engineering Before Algorithms | Scalyr
TL;DR: Four years ago, I left Google with the idea for a new kind of server monitoring tool. The idea was to combine traditionally separate functions such as log exploration, log aggregation and analysis, metrics gathering, alerting, and dashboard generation into a single service. One tenet was that the service should be fast, giving ops teams a lightweight, interactive, â€œfunâ€ experience. This wou
yass 2015/10/04
" We store log messages in pages of 4K; each page contains some messages (in UTF-8), and some metadata for each message. The metadata is a byte-packed structure which encodes the value length, internal message ID, and various other fields.Â "

grep

search

byte
ãƒªãƒ³ã‚¯
å†ªç‰æ€§ã‚’è€ƒæ…®ã—ã¦ãƒ•ã‚¡ã‚¤ãƒ«ã«æ–‡å—åˆ—ã‚’è¿½åŠ ã™ã‚‹ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆ - Qiita
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yass 2014/08/11
bash

grep
ãƒªãƒ³ã‚¯
grepcidr: IPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’ã‚µãƒ–ãƒãƒƒãƒˆã§ä¸€æ‹¬grep - yunazuno.log
ã‚ã‚‹ãƒ•ã‚¡ã‚¤ãƒ«ã«å«ã¾ã‚Œã‚‹IPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’grepã—ãŸã„ã¨ãï¼Œ/32ãªã‚Š/128ãªã‚Šã®IPã‚¢ãƒ‰ãƒ¬ã‚¹ãã®ã‚‚ã®ã§ã¯ãªãï¼Œã‚µãƒ–ãƒãƒƒãƒˆã§grepã§ãã‚‹ã¨ä¾¿åˆ©ãªå ´é¢ãŒå¤šã€…ã‚ã‚‹ï¼Žãã‚Œã‚‰ã—ãç‰©ãŒç„¡ã„ã‹æŽ¢ã—ãŸã¨ã“ã‚ï¼Œgrepcidrã¨ã„ã†ãƒ„ãƒ¼ãƒ«ãŒã‚ã£ãŸã®ã§ãƒ¡ãƒ¢ï¼Ž å°Žå…¥ å˜ç´”ã«ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã—ã¦ make & make install ã™ã‚‹ã ã‘ï¼Ž $ wget http://www.pc-tools.net/files/unix/grepcidr-2.0.tar.gz $ tar xvf grepcidr-2.0.tar.gz $ cd grepcidr-2.0 $ make # make install ä½¿ã„æ–¹ ãŸã¨ãˆã°ä¸‹ã®ã‚ˆã†ãªãƒ•ã‚¡ã‚¤ãƒ«ãŒã‚ã‚‹ã¨ã™ã‚‹ï¼Ž $ cat ipaddr.txt 192.0.2.0/24 192.0.2.0/25 192.0.2.128/25 192.0.2.254/32 2
yass 2014/08/10
grep

ip address

cidr
ãƒªãƒ³ã‚¯
grepã«ã¤ã„ã¦
6. ä½¿ç”¨ä¾‹ï¼‘ ä»Šã„ã‚‹ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªä»¥ä¸‹ã«ã‚ã‚‹ãƒ•ã‚¡ã‚¤ãƒ«ã®ä¸ã§ "#pragma omp" ã‚’å«ã‚€ãƒ•ã‚¡ã‚¤ãƒ«ã‚’æŽ¢ã—ãŸã„ $ grep -r "#pragma omp" . -r: æŒ‡å®šã—ãŸãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªç›´ä¸‹ã ã‘ã§ãªãã€ ãã®ä¸‹ã«ã‚ã‚‹ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã‚‚å†å¸°çš„ã«æ¤œç´¢ 7. ä½¿ç”¨ä¾‹ï¼’ ãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ ã«ãƒã‚°ã‚’ãƒ•ã‚£ãƒ«ã‚¿ãƒªãƒ³ã‚°ã—ãŸã„ $ tail -f error_log | grep --line-buffered "error" --line-buffered: ãƒãƒƒãƒ•ã‚¡ã›ãšã«ï¼‘è¡Œã”ã¨ã«å‡ºåŠ›
yass 2014/07/13
grep

regex
ãƒªãƒ³ã‚¯
GitHub - peco/peco: Simplistic interactive filtering tool
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yass 2014/06/13
grep

find

golang

windows
ãƒªãƒ³ã‚¯
Google Code Archive - Long-term storage for Google Code Project Hosting.
Code Archive Skip to content Google About Google Privacy Terms
yass 2014/05/15
java

grep
ãƒªãƒ³ã‚¯
Google Code Archive - Long-term storage for Google Code Project Hosting.
yass 2014/05/14
java

grep

string
ãƒªãƒ³ã‚¯
robert-bor/aho-corasick Â· GitHub - Java implementation of the Aho-Corasick algorithm for efficient string matching
yass 2014/05/14
java

grep

string

Aho-Corasick

algorithm
ãƒªãƒ³ã‚¯
æ–‡å—åˆ—æ¤œç´¢ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã®è¦šãˆæ›¸ã - æˆ‘ã‚‰ãã¶ãŸé¦¬é¹¿
ãƒžã‚¤ã‚³ãƒŸã‚¸ãƒ£ãƒ¼ãƒŠãƒ«ã®é€£è¼‰è¨˜äº‹ã§ã€ã€ŒStringSearchã€ã¨ã„ã†æ–‡å—åˆ—æ¤œç´¢ã®ãŸã‚ã®Javaãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’ç´¹ä»‹ã—ã¾ã—ãŸã€‚ æ”»ç•¥! ãƒ„ãƒ¼ãƒ«ãƒ»ãƒ‰ãƒ»ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚° (44) é«˜é€Ÿãªæ–‡å—åˆ—æ¤œç´¢ã‚’å®Ÿç¾ã™ã‚‹Javaãƒ©ã‚¤ãƒ–ãƒ©ãƒªã€ŒStringSearchã€ | ãƒžã‚¤ãƒŠãƒ“ãƒ‹ãƒ¥ãƒ¼ã‚¹ ãã®è£œè¶³ã‚‚å…¼ãã¦ã€è¨˜äº‹ä¸ã«å‡ºã¦ãã‚‹æ–‡å—åˆ—æ¤œç´¢ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã«ã¤ã„ã¦å°‘ã—ã¾ã¨ã‚ã¦ã¿ã¾ã—ãŸã€‚ç´°éƒ¨ã‚’çœç•¥ã—ãŸå¤§é›‘æŠŠãªèª¬æ˜Žãªã®ã§åŽ³å¯†ãªè§£èª¬ã§ã¯ã‚ã‚Šã¾ã›ã‚“ãŒã€å‚è€ƒã¾ã§ã«ã€‚ naiveã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ å¯¾è±¡ã®æ–‡å—åˆ—ã¨ãƒ‘ã‚¿ãƒ¼ãƒ³æ–‡å—åˆ—ã‚’å…ˆé ã‹ã‚‰é †ç•ªã«æ¯”ã¹ã¦ã„ãã€ãƒžãƒƒãƒã—ãªã‹ã£ãŸã‚‰1æ–‡å—é€²ã‚ã¦ã¾ãŸæœ€åˆã‹ã‚‰æ¯”ã¹ã‚‹ã¨ã„ã†æ‰‹æ³•ã§ã™ã€‚ java.lang.Stringã®indexOf()ãƒ¡ã‚½ãƒƒãƒ‰ãªã©ã¯ã“ã®å®Ÿè£…ã ãã†ã§ã™ã€‚ Knuth Morris Pattã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ï¼ˆKMPã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ï¼‰ ãƒžãƒƒãƒã«å¤±æ•—ã—ãŸå ´åˆã«ã€æ¯”è¼ƒã™ã‚‹ã‚¹ã‚¿ãƒ¼ãƒˆä½ç½®ã‚’1æ–‡å—ãšã¤é€²ã‚ã‚‹ã§ã¯ãªãã€ä½•
yass 2014/05/14
string

grep

algorithm

search
ãƒªãƒ³ã‚¯
æ”»ç•¥! ãƒ„ãƒ¼ãƒ«ãƒ»ãƒ‰ãƒ»ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚° (44) é«˜é€Ÿãªæ–‡å—åˆ—æ¤œç´¢ã‚’å®Ÿç¾ã™ã‚‹Javaãƒ©ã‚¤ãƒ–ãƒ©ãƒªã€ŒStringSearchã€ | ãƒžã‚¤ãƒŠãƒ“ãƒ‹ãƒ¥ãƒ¼ã‚¹
å„ç¨®æ–‡å—åˆ—æ¤œç´¢ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã‚’å®Ÿè£…ã—ãŸStringSearch Johann Burkardæ°ãŒå…¬é–‹ã—ã¦ã„ã‚‹StringSearchã¯ã€é«˜é€Ÿãªæ–‡å—åˆ—æ¤œç´¢ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã‚’å®Ÿè£…ã—ãŸJavaç”¨ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã§ã‚ã‚‹ã€‚BNDMæ³•ã‚„ã€BMHæ³•ã¨ãã®æ´¾ç”Ÿã€Bit-parallelæ‰‹æ³•ã¨ã„ã£ãŸè¤‡æ•°ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã‚’ã‚µãƒãƒ¼ãƒˆã—ã¦ã„ã‚‹ç‚¹ãŒç‰¹å¾´ã€‚ã„ãšã‚Œã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã‚’åˆ©ç”¨ã™ã‚‹å ´åˆã§ã‚‚åŸºæœ¬çš„ãªä½¿ã„æ–¹ã¯å…±é€šã—ã¦ã„ã‚‹ãŸã‚ã€ç”¨é€”ã«ã‚ˆã£ã¦ç°¡å˜ã«ä½¿ã„åˆ†ã‘ã‚‹ã“ã¨ãŒã§ãã‚‹ã€‚ Burkardæ°ã«ã‚ˆã‚Œã°ã€StringSearchã‚’åˆ©ç”¨ã™ã‚Œã°java.lang.Stringã‚¯ãƒ©ã‚¹ã«ã‚ˆã‚‹æ–‡å—åˆ—æ¤œç´¢ã«æ¯”ã¹ã¦5å€ã‹ã‚‰10å€ç¨‹åº¦ã®é«˜é€ŸåŒ–ãŒå¯èƒ½ã¨ã®ã“ã¨ã§ã‚ã‚‹ã€‚ãŸã ã—ã€ã“ã®ä¸»å¼µã«ã¯ç•°è«–ã‚‚å‡ºã¦ã„ã‚‹ã€‚ã¾ãŸã€String.indexOf()ãƒ¡ã‚½ãƒƒãƒ‰ãªã©ã§æŽ¡ç”¨ã•ã‚Œã¦ã„ã‚‹ã¨ã„ã†naiveã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ (ã‚·ãƒ³ãƒ—ãƒ«ã ãŒä½Žé€Ÿ)ã«ã—ã¦ã‚‚ã€çŸã„æ–‡å—åˆ—ã‚’å¯¾è±¡ã¨ã—ãŸæ¤œç´¢ã§ã‚ã‚Œã°å
yass 2014/05/14
" BNDMæ³•ã‚„ã€BMHæ³•ã¨ãã®æ´¾ç”Ÿã€Bit-parallelæ‰‹æ³•ã¨ã„ã£ãŸè¤‡æ•°ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã‚’ã‚µãƒãƒ¼ãƒˆã—ã¦ã„ã‚‹ç‚¹ãŒç‰¹å¾´ã€‚"

java

grep

performance

string
ãƒªãƒ³ã‚¯
Goè¨€èªžã§ag(The Silver Searcher)ãƒ©ã‚¤ã‚¯ãªé«˜é€Ÿæ¤œç´¢ãƒ„ãƒ¼ãƒ«ã‚’ã¤ãã£ãŸã€‚EUC-JP/Shift-JISã‚‚æ¤œç´¢ã§ããƒžã‚¹ã€‚
ã„ã¾ã‚„é«˜é€Ÿãƒ‘ã‚¿ãƒ¼ãƒ³æ¤œç´¢ã¨ã„ãˆã°ag(The Silver Searcher)ã§ã™ãŒã€æ¤œç´¢å¯¾è±¡ãŒUTF-8ã®ãƒ†ã‚ã‚¹ãƒˆã‚’å‰æã¨ã—ã¦ã„ã‚‹ãŸã‚ã€EUC-JPã‚„Shift-JISã¨ã„ã£ãŸãƒ•ã‚¡ã‚¤ãƒ«ã‚’æ¤œç´¢ã™ã‚‹ã®ã«èª²é¡ŒãŒã‚ã‚Šã¾ã™ã€‚ ã“ã‚Œã¾ã§ã€ãã‚Œã‚‰ã®æ—¥æœ¬èªžæ–‡å—ã‚»ãƒƒãƒˆã‚’æ¤œç´¢ã§ãã‚‹ã‚ˆã†ã«ã™ã‚‹ãŸã‚ã€è‰²ã€…ã¨agã®æ”¹é€ ã€å…¬é–‹ã‚’è¡Œã£ã¦ã„ã¾ã—ãŸã€‚ ag(The Silver Searcher)ã§EUC-JP/Shift-JISã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚‚æ¤œç´¢ã§ãã‚‹ã‚ˆã†ã«ã—ã¦ã¿ãŸ æ—¥æœ¬èªžåœç‰¹åŒ–åž‹ag -ç™½é‡‘- ã®é…å‚™ãŒå®Œäº†ã—ã¾ã—ãŸ ã—ã‹ã—ã€ç‰¹å®šã®å›½ã®æ–‡å—ã‚³ãƒ¼ãƒ‰ã ã‘ã«ç‰¹åŒ–ã—ãŸä¿®æ£ã¨ã„ã†ã®ã‚’masterã«å–ã‚Šè¾¼ã‚“ã§ã‚‚ã‚‰ã†ã‚ã‘ã«ã‚‚ã„ã‹ãšã€æ´¾ç”Ÿãƒ–ãƒ©ãƒ³ãƒã¨ã—ã¦è¿½éšã™ã‚‹ã®ã‚‚ã€ã‚„ã¯ã‚Šé¢å€’â€¦ ãã“ã§å¹´å§‹ã«Goè¨€èªžã‚’è§¦ã£ãŸã®ã‚’ãã£ã‹ã‘ã«ã€Goè¨€èªžã§ãƒ‘ã‚¿ãƒ¼ãƒ³æ¤œç´¢ãƒ„ãƒ¼ãƒ«ã‚’ã¤ãã£ã¦ã¿ã¾ã—ãŸã€‚ ã›ã£ã‹ããªã®ã§ãƒã‚¹ãƒˆagã‚’ç›®æŒ‡ã—ã¦ã€ãƒ—ãƒ©ãƒãƒŠã‚µãƒ¼ãƒãƒ£ãƒ¼(The Pl
yass 2014/01/16
golang

grep

ag
ãƒªãƒ³ã‚¯
Make grep 50x faster
Found this neat trick in Brendan Gregg's Blazing Performance with Flame Graphs talk. Switching to LANG=C improved performance by 2000x In a quick test I directly got a performance gain of factor 50.22. This is quite an achievement for only changing one environment variable. real:~# du -sh /var/log/querylog 148M /var/log/querylog real:~# time grep -i e /var/log/querylog > /dev/null real 0m12.807s u
yass 2013/12/16
" Switching to LANG=C improved performance by 2000x / In a quick test I directly got a performance gain of factor 50.22. "

grep
ãƒªãƒ³ã‚¯
GitHub - client9/bgrep: grep using binary search on sorted files
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yass 2013/09/09
" grep using binary search on sorted files "

grep

binary search
ãƒªãƒ³ã‚¯
GitHub - bobrik/pupergrep: Real-time grep for your logs right in your favorite modern browser made with Twitter Bootstrap.
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yass 2013/04/13
grep

node.js

log

http

webapp
ãƒªãƒ³ã‚¯
Node.jsã§æ›¸ã‹ã‚Œã¦webãƒ™ãƒ¼ã‚¹ã®log streamerã€ŒSupergrepã€ã‚’è©¦ã—ã¦ã¿ãŸ - Glide Note
Is It A Bird? Is It A Plane? No, Itâ€™s Supergrep! Â« Code as Craft etsy/supergrep Etsyã‹ã‚‰Node.jsã§æ›¸ã‹ã‚ŒãŸã€ãƒ–ãƒ©ã‚¦ã‚¶ã‹ã‚‰åˆ©ç”¨ã™ã‚‹logs streamerã®SupergrepãŒ ãƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸã®ã§æ—©é€Ÿè©¦ã—ã¦ã¿ã¾ã—ãŸã€‚ ãƒ„ãƒ¼ãƒ«ã¨ã—ã¦ã¯ä»»æ„ã®ãƒã‚°ãŒã€ä»»æ„ã®ä¸è¦ãªãƒã‚°ã‚’é™¤ã„ãŸå½¢å¼ã§å‡ºåŠ›ã•ã‚Œã€ ãã“ã‹ã‚‰ã•ã‚‰ã«ãƒ–ãƒ©ã‚¦ã‚¶ä¸Šã§è‡ªåˆ†ã§ãƒ•ã‚£ãƒ«ã‚¿ã‚’ã‹ã‘ã‚‹ã‚ˆã†ãªãƒ„ãƒ¼ãƒ«ã§ã™ã€‚ å…¬å¼ã®èª¬æ˜Žã¨ã—ã¦ã‚‚ã€
yass 2013/04/13
log

node.js

grep

tail

http

webapp
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ackã‚’æ¨ã¦ã¦ã€ã‚ˆã‚Šé«˜é€Ÿãªag(The Silver Searcher)ã«åˆ‡ã‚Šæ›¿ãˆãŸ - Glide Note
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