Editing Desktop search (section)

== Full text and filename search ==
電腦的多個檔案的內文搜尋

=== 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>

=== Commercial software of full text search ===
''$'' [http://www.sublimetext.com/ Sublime Text] v.2
* File format: plain text files
* big file search:
* Regular expression: supported<ref>[http://docs.sublimetext.info/en/latest/search_and_replace/search_and_replace_overview.html Search and Replace — Sublime Text Unofficial Documentation]</ref><ref>[http://www.boost.org/doc/libs/1_47_0/libs/regex/doc/html/boost_regex/syntax/perl_syntax.html Perl Regular Expression Syntax - 1.47.0]</ref>
* 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。 Menu -> Find -> Find in files -> Where: Add include filters<ref>[http://www.sublimetext.com/forum/viewtopic.php?f=3&t=5803 Sublime Forum • View topic - Find in Files of Filetype]</ref>

''$'' [https://www.x1.com/products/x1-search/ X1 Search 8 - Find Emails, Files, and SharePoint Data on Standard or Virtual Desktops](formerly [http://desktop.yahoo.com/ Yahoo! Desktop Search])
* File format:
* Range: 

''$'' [https://zh-tw.emeditor.com/  EmEditor] 
* File format: plain text files
* big file search: ok {{Gd}}
* [[Regular expression]]: supported
* refine the search:

[https://support.apple.com/zh-tw/guide/mac-help/mchlp1008/mac 在 Mac 上使用 Spotlight 搜尋 - Apple 支援 (台灣)] on {{Mac}}
* File format: plain text files

=== Search text in files (cloud solution) ===
full text searching
* [https://drive.google.com/ Google drive]: [https://support.google.com/drive/answer/2375114?hl=en Search your Google Drive - Drive Help] text-PDF was tested: 2013-01-06
* [https://www.evernote.com/‎ Evernote]: [http://blog.evernote.com/blog/2013/03/25/search-better-with-evernote-premium-document-search/ Search Better with Evernote Premium: Document Search ]
* [https://www.dropbox.com/ Dropbox]: [https://www.dropbox.com/help/6635 How can I use full-text search to search the contents of my files? (Dropbox Help Center)]
* [http://techawakening.org/search-within-attachments-in-gmail/1236/ How-To Do a Full Text Search within your Gmail Attachments?]

file name or folder name searching only
* [https://skydrive.live.com/‎ Microsoft SkyDrive]
* [https://app.box.com/ Box]
* [http://www.asuswebstorage.com/ ASUS WebStorage]
* [https://hamicloud.net/‎ Hami+ 個人雲]


template (left blank intentionally)
<pre>
Software name
* File format
* big file search:
* Regular expression:
* refine the search:
</pre>

=== by logical operators ===
'''OR''': match the lines which contains ''pattern1'' OR ''pattern2''<ref>[http://www.linuxquestions.org/questions/linux-newbie-8/logical-operators-in-grep-775595/ logical operators in grep]</ref><ref>[http://www.thegeekstuff.com/2011/10/grep-or-and-not-operators/ 7 Linux Grep OR, Grep AND, Grep NOT Operator Examples]</ref>
* {{kbd | key = <nowiki>awk '/pattern1|pattern2/' file_name </nowiki>}} for {{Linux}}
* {{kbd | key = <nowiki>grep 'pattern1\|pattern2' file_name </nowiki>}}
* {{kbd | key = <nowiki>grep -E 'pattern1|pattern2' file_name </nowiki>}}
* {{kbd | key = <nowiki>cat file_name | grep -E 'pattern1|pattern2'</nowiki>}}

'''AND''': match the lines which contains ''pattern1'' AND ''pattern2'' 
* {{kbd | key = <nowiki>awk '/pattern1/&&/pattern2/' file_name </nowiki>}} for {{Linux}}
* {{kbd | key = <nowiki>grep -E 'pattern1.*pattern2|pattern2.*pattern1' file_name </nowiki>}}  {{exclaim}} order dependent
* {{kbd | key = <nowiki>cat file_name | grep -E 'pattern1.*pattern2|pattern2.*pattern1' </nowiki>}}  {{exclaim}} order dependent