Display a list of all PHP classes that are called statically

• print character classes

  Today I needed a way to print various character classes to use as input for a program I was writing. Also a nice way to visualize character classes. Show Sample Output

  This is sample output - yours may be different.

  pcharc '[:punct:]'
  !"#$%&'()*+,-./:;<=>?@[\]^_`{|}~
  pcharc '\d[:upper:]'
  0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ
  pcharc '\w'
  0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz

  
  

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  pcharc(){ perl -e 'for (0..255) {$_ = chr($_); print if /['$1']/}' | cat -v; echo;}
  putnamhill · 2010-11-13 00:32:41 1
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• List out classes in of all htmls in directory

  Lists out all classes used in all *.html files in the currect directory. usefull for checking if you have left out any style definitions, or accidentally given a different name than you intended. ( I have an ugly habit of accidentally substituting camelCase instead of using under_scores: i would name soemthing counterBox instead of counter_box) WARNING: assumes you give classnames in between double quotes, and that you apply only one class per element.

  This is sample output - yours may be different.

  
  

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  find . -name '*.html' -exec 'sed' 's/.*class="\([^"]*\?\)".*/\1/ip;d' '{}' ';' |sort -su
  kamathln · 2009-09-06 18:43:18 0
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• how to find the active X (X11/xorg) username and DISPLAY variable

  Requires consolekit (works in e.g. Ubuntu). Here x11-display is DISPLAY Show Sample Output

  This is sample output - yours may be different.

  Session136:
          unix-user = '1000'
          realname = 'The Great Cthulhu'
          seat = 'Seat1'
          session-type = ''
          active = TRUE
          x11-display = ':0'
          x11-display-device = '/dev/tty7'
          display-device = ''
          remote-host-name = ''
          is-local = TRUE
          on-since = '2011-12-20T08:18:02.723871Z'
          login-session-id = '4294967291'
  

  
  

  1
  ck-list-sessions
  unhammer · 2012-01-02 08:53:41 0
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• Functions to display, save and restore $IFS

  You can display, save and restore the value of $IFS using conventional Bash commands, but these functions, which you can add to your ~/.bashrc file make it really easy. To display $IFS use the function ifs shown above. In the sample output, you can see that it displays the characters and their hexadecimal equivalent. This function saves it in a variable called $saveIFS: sifs () { saveIFS=$IFS; } Use this function to restore it rifs () { IFS=$saveIFS; } Add this line in your ~/.bashrc file to save a readonly copy of $IFS: declare -r roIFS=$IFS Use this function to restore that one to $IFS rrifs () { IFS=$roIFS; } Show Sample Output

  This is sample output - yours may be different.

  ' '     '\t'    '\n'
  0x20    0x09    0x0a

  
  

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  ifs () { echo -n "${IFS}"|hexdump -e '"" 10/1 "'\''%_c'\''\t" "\n"' -e '"" 10/1 "0x%02x\t" "\n\n"'|sed "s/''\|\t0x[^0-9]//g; $,/^$/d"
  dennisw · 2009-10-10 22:41:35 0
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• grep for a list of values and list matching values NOT matching lines each time they match

  If you want to know which values from a list are used within a file. Here's the bash function - called goo - for lack of a better name ;) function goo() { perl -e 'while (my $l = <STDIN>) { foreach (sort { length($b) <=> length($a) } @ARGV) { print "$_\n" x $l =~ s/$_//ig; } }' "$@" } Show Sample Output

  This is sample output - yours may be different.

  $ cat file 
  grep for some stuff
  from
  this file
  only list longest_match
  
  $ goo foo match longest_match list bar < file 
  longest_match
  list

  
  

  0
  goo some things you search for < file
  bashrc · 2011-09-09 20:30:40 0
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• Search for classes in Java JAR files.

  Show Sample Output

  This is sample output - yours may be different.

  743  11-19-06 23:41   org/xml/sax/SAXException.class
  

  
  

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  find . -name "*.jar" | while read line; do unzip -l $line; done | grep your-string
  voidpointer · 2010-09-28 16:15:01 2
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