Editing Desktop search (section)

=== Open-source software of full text search ===

{{Gd}} [https://github.com/BurntSushi/ripgrep BurntSushi/ripgrep: ripgrep recursively searches directories for a regex pattern while respecting your gitignore] for {{Win}}, {{Mac}} or {{Linux}}
* File format: plain text files & compressed files
* Big file search: 
* [[Regular expression]]: supported ([https://docs.rs/regex/1.5.4/regex/#syntax syntax])
* License: Dual-licensed under MIT or the UNLICENSE

{{Gd}} [http://www.wingrep.com/ Windows Grep: Grep for Windows] v.2.3 {{Win}}
* File format: plain text files
* big file search: ok e.g. file size (1) > 90 MB: ok; (2) > 200MB: ok {{Gd}}
* [[Regular expression]]: supported
* refine the search:

{{Gd}} Grep command for {{linux}} <ref>[http://www.cyberciti.biz/faq/howto-search-find-file-for-text-string/ Finding a File containing a particular text string in Linux server]</ref><ref>[http://www.computerhope.com/unix/ugrep.htm Linux and Unix grep command help and examples]</ref>
* File format: plain text files
* multiple files: {{kbd | key=<nowiki>grep -ir "string to search" /path/to/directory</nowiki>}}<ref>options (1) -i, which means ignore case (2) -r means search recursively through an entire directory tree including the sub directory [http://www.linfo.org/grep.html How to use the grep command, by The Linux Information Project (LINFO)]</ref>
* multiple files: {{kbd | key=<nowiki>find *.json | xargs grep -E "詐騙|詐欺" -sl</nowiki>}} to find json files which its content contains the string {{kbd | key=<nowiki>詐騙</nowiki>}} or {{kbd | key=<nowiki>詐欺</nowiki>}}. more on [[Search for string in json files]]
* single file: {{kbd | key=<nowiki>grep "string to search" /path/to/file</nowiki>}} ex: keyin {{kbd | key=grep avc /var/log/messages}} to find the SELinux log messages<ref>[http://wiki.centos.org/HowTos/SELinux HowTos/SELinux - CentOS Wiki] / [http://wiki.centos.org/zh-tw/HowTos/SELinux zh-tw/HowTos/SELinux - CentOS Wiki](in Mandarin Chinese) </ref>

[https://copernic.com/ Copernic: Software to search, find, and manage information] v.3.5.1 on {{Win}}
* File format:
* Range: folders and file types you specified
* Refine the search: file name, file type, file size, date, folder. '''Quotation marks''' is available. More on [http://help.copernic.com/topic/desktopsearch21en/use/search/boolean.htm Refine a search with operators]
* Comment: Nice for searching PHP scripts {{Gd}}


[http://sourceforge.net/projects/docfetcher/ DocFetcher] on {{Win}}, {{Mac}} & {{Linux}} ([http://jdev.tw/blog/819/docfetcher-cross-platform-desktio-search 經常找不到文件嗎？試試免費的跨平台桌面搜尋工具：DocFetcher | 簡睿隨筆@新世界])
* File format: plain text files & compressed files
* Range: folders and files type you specified
* 搜尋: 支援輸入部分字串
* License: Eclipse Public License {{Gd}}
* Comment: not suitable for search PHP scripts

[http://www.zotero.org/ Zotero] v.3 for {{Fx}}
* File format: Metadata or attached PDF or HTML files
* 搜尋: 儲存在Zotero資料庫的文獻書目、標籤、附檔檔名、附檔(PDF或HTML網頁檔)內文<ref>[http://www.zotero.org/support/pdf_fulltext_indexing pdf_fulltext_indexing (Zotero Documentation)]([http://www.zotero.org/support/screencast_tutorials/advanced_search screencast_tutorials:advanced_search  ])</ref>

[http://tools.tortoisesvn.net/grepWin.html grepWin] v1.5.6.x
* File format: plain text files
* big file search: file size (1) > 90 MB: ok; (2) > 200MB: ok; 
* Regular expression: supported
* refine the search:
* comment: If there are too many matches, the software will be frozen and get back after some minutes. {{exclaim}}

[http://notepad-plus-plus.org/ Notepad++] v7.4.2<ref>[http://npp-community.tuxfamily.org/documentation/notepad-user-manual/searching/searching-files Searching in Files]</ref>
* File format: plain text files
* big file search: file size < 600 MB: ok<ref>[https://errerrors.blogspot.com/2017/11/notepad-file-is-too-big-to-be-opened.html 解決 Notepad++ 開啟大檔案遇到「file is too big to be opened」錯誤訊息]</ref>
* Regular expression: supported
* refine the search: file name, file type (separated by ; symbol, ex: {{kbd | key= *.html; *.htm}} to search the text in the html and htm file types) , folder

[http://gnuwin32.sourceforge.net/packages/grep.htm Grep for Windows] {{Win}} <abbr title="命令列介面, command-line interface">CLI</abbr>
* File format: plain text files
* big file search:
* Regular expression:
* refine the search:

[http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/findstr.mspx?mfr=true Findstr] command {{Win}}
* File format: plain text files
* big file search:
* Regular expression:
* refine the search:
* instruction:<ref> [http://ithelp.ithome.com.tw/questions/10183490 如何編寫批次檔讓我可以抓取TXT檔中的某個字串 - iT 邦幫忙::一起幫忙解決難題，拯救 IT 人的一天]</ref>