ediscovery processing tools

Audio and video processing tools Luo Weifeng 2011-4-19 Some time ago, when I made a PPT for my classmates, I had to handle some MP3 files from Jackson. I had been searching for some time on a Chinese website, either out of service or out of service, most of them are infected with a large package of viruses, which makes it possible for me to kill the virus for half a day in safe mode. In the end, Huang Tia

19.1. HTMLParser -simple HTML and XHTML parser 19.2. sgmllib -simple SGML Parser 19.3. htmllib -A parser for HTML documents 19.4. htmlentitydefs -definitions of HTML general entities 19.5. XML Processing Modules 19.6. XML Vulnerabilities 19.7. xml.etree.ElementTree -the ElementTree XML API 19.8. xml.dom -the Document Object Model API 19.9. xml.dom.minidom -minimal DOM Implementation 19.10. xml.dom.pulldom -support for building partia

Android development skills 4: Mobile resolution processing tools and Android development skills /***** @ Description: Mobile resolution processing tool class * @ author: * @ see: * @ since: * @ copyright©* @ Date: August 13, 2014 */public class DensityUtil {/*** convert the unit from dp to px (pixel) */public static int dip2px (Context context, float dpValue) {fi

protected] ~]# sed-r ' s/(^[a-z0-9]+) ([^a-z]) (. *)/\1/' Testrootbinnginxabominableabominateanomieatomizealex213sbwpq2222byh438pigegon666egon17, print the first word and the third word of each line.[[email protected] ~]# sed-r ' s/^ ([a-z0-9]+] ([^a-z]) ([a-z0-9]+] ([^a-z]) ([a-z0-9]+] ([^a-z]) (. *)/\1\5/' Testroot0bin1nginx991abominable1009abominate1010anomie1011atomize1012alex213sb1013wpq2222b1014yh438pig1015egon6661016egon 101718, use the command to get the format MM/YY/DD date format, com

grep, SED and awk are three very powerful file processing tools for Linux.Gerp Find, sed edit, awk analyzes and processes it based on content.Now let's find out how these three file processing tools are different (certainly different, or why there are three kinds ...). ）grep (keyword: intercept)Text-gathering tool, com

Shell script Learning Guide-text processing tools 1. sort usage www.2cto.com sort-t:-k1, 1/etc/passwd --- sort by user name sort-t:-k3nr/etc/passwd --- sort by Reverse UID-k3nr, 3 ---- start from Field 3, reverse sort by value type, and end with sort-t at the end of Field 3: -k4n-k3n/etc/passwd --- sort-t:-k4n-u/etc/passwd by GID and UID --- sort several important options by unique GID-u: remove duplicate r

A basic class of C # write image processing, including obtaining or setting the image path to be modified, obtaining or setting the image path (watermark image) in the image), get or set the right margin of the watermark in the modified image, get or set the height of the watermark from the bottom of the modified image, and obtain or set the transparency of the watermark to be drawn, note the following functions: View sourceprint? 001 using System; 00

1 /**2 * Grouped by parameter LS for given object properties3 * @paramLS Collection4 * @parama property in the PropertyName object5 * @returnHashMap (key=propertyvalue,value=arraylist)6 * @throwsillegalaccessexception7 * @throwsinvocationtargetexception8 * @throwsnosuchmethodexception9 */Ten@SuppressWarnings ("Unchecked") One Public Staticthrowsillegalaccessexception, invocationtargetexception, nosuchmethodexception{ AHashmapNewHashmap(); -ListNULL; -

versions # rewriterule \. (?: jpe?g|gif|png) $ adaptive-images.php # # # END Adaptive-images------------------------------------------------------------------------------- # This configuration, the mobile phone when the Web page when the server will be based on the resolution of the phone output corresponding image, the client province traffic With a contrasting picture, Firefox data The above describes the use of Adaptive-images PHP server-side image

-s_3870909329.png "title=" Exercise 2.png "alt=" Wkiom1el6hydo-lxaabsjre_xys606.png-wh_50 "/>3. Use Egrep to remove its base name in/etc/rc.d/init.d/functions650) this.width=650; "Src=" Http://s3.51cto.com/wyfs02/M00/85/80/wKioL1el6Ibj0gCoAAALzjh6RoY612.png-wh_500x0-wm_3 -wmp_4-s_2105904646.png "title=" Exercise 3.png "alt=" Wkiol1el6ibj0gcoaaalzjh6roy612.png-wh_50 "/>4. Use Egrep to remove the directory name of the path above650) this.width=650; "Src=" Http://s4.51cto.com/wyfs02/M01/85/81/wKiom

degree of flattening of the data distribution graph)>>>Df.kurt ()#generate dataframe with a python dictionary>>> DF=PD. DataFrame ({'Weather':['Cold',' Hot'],' Food':['Soup','Ice Cream']})>>>DF Food Weather0 Soup Cold1Ice cream Hot#Group an attribute by type>>> Group=df.groupby ('Weather')>>> forName,groinchGroup: ...Print(name) ...Print(GRO) ... cold food weather0 soup Cold2Cake Coldhot Food weather1Ice cream Hot3Bread Hot>>>Group#first row, last line, average of each group>>> Group=df.groupby

1. Use the SED command to print out the IP address of the ifconfig ens33Solution: (1) ifconfig Ens33 | Sed-n ' 2p ' | Sed ' s/.*inet//' | Sed ' s/netmask.*//'(2) Ifconfig Ens33 | Sed-n ' 2p ' | Sed-r ' s/.*inet (. *) netmask.*/\1/'(3) Ifconfig Ens33 | Sed-r-N ' 2s/.*inet (. *) netmask.*/\1/p '2. Use the SED command to print out the system versionSolution: Sed-r-N ' s/.*release[[:space:]]* ([^.] +). */\1/p '/etc/centos-release3, script title: Use SED to determine the version number if the version

grep, sed, and awk are all text processing tools, and although they all have their advantages and disadvantages, one text processing command cannot be completely replaced by another, or three text-processing commands will not appear. In comparison, however, SED and awk are more powerful and have been introduced in a s

middle group are not the original meaning, but the mask limit high permissionMask:r limit High Line means that the highest privilege is r and cannot exceedExam:setfacl-m Mask::rx FileThe processing tools for text are: Less cat head tail cut grep sort Uniq Cat TAC RevCAT-E: Display line terminator $ head-n# specify get before # bytes taii-n#-N: Number per line-# specify get before # line-#-A: Show all contr

On the text processing tools of Linuxawk, boss."Feature description"Language for text processing (row, filter), support for regularNR represents the number of rows, $n take a column, $NF the last columnNr==20,nr==30 from 20 rows to 30 rowsFS vertical cut, Column delimiterRS cross-cut, row separator"Syntax format"awk [–F] ["[Delimiter]"] [ ' {print$1, $NF} '

;Example:# awk-f: ' {printf '%-15s%i\n ', $1,$3} '/etc/passwdIv. output RedirectionPrint Items > Output-filePrint Items >> output-filePrint Items | CommandSpecial File Descriptor:/dev/stdin: Standard input/dev/sdtout: Standard Output/dev/stderr: Error Output/dev/fd/n: A specific file descriptor, such as/dev/stdin, is equivalent to/dev/fd/0;Example:# awk-f: ' {printf '%-15s%i\n ', $1,$3 > '/dev/stderr '} '/etc/passwdThe Five awk model:awk ' program ' Input-file1 input-file2 ...The program is:Patt

splitting, "$" for the entire record */CAT/ETC/PASSWD | Awk-f ': ' BEGIN {user_count=0} {printf ("%-5d%-20s%s\n", ++user_count, $ $7)} END {print "Found" User_count "Users \ n "} '/* Parse: Use the-f option to specify the delimiter as ': ', the command option is divided into three parts, the first part is" BEGIN {user_count=0} ", executed before awk execution, the command defines a variable to count the number of users, and the second part is" {printf ("%- 5d%-20s%s\n ", ++user_count, $ $7)}",

lines matching a pattern grep root/etc/passwd --color=auto The matching sections are highlighted - W the target of a search is a word, not a string - I. Ignore case when searching - N Displays the line number of the searched content in the original file -an from the search to the line calculation, and then additional display n Line -bn from the search to the line calculation, and then the additional display n Line - v exclude the specified search content ^# Search by # line at the beginning,

02:56-19:59 ( -6:-57)kiosk:0:0 Wed Nov 9 17:55-17:55 (00:00)Wtmp begins Wed Sep 28 00:38:05 2016[[email protected] ~]# Last-n 5 | awk ' {print $ ' \ t ' $} 'kiosk:0kiosk:0kiosk:0Reboot bootkiosk:0$ A represents a whole row of dataBuilt-in variablesNF total number of fields per row ($)NR current awk is dealing with the first few rows of dataFS Current separator character, default is space key[[email protected] ~]# Last-n 5 | awk ' {print $ ' lines: ' NR ' \tcolumes: ' NF} 'Kiosklines:1 columes:1

Text Processing Tools Grep,eprep and Fgrep:grep: (Global search regular expression and print out of the line), full search of regular expressions and display of corresponding rowsText Search Tool: line-by-line search of target files based on user-specified text patterns, showing rows that can be matched by patternsFormat: grep [options] ' PATTERN ' file,..... Text Filter--color=auto: Add color to the patter