Commands using perl

This command turns a multi-line file into a single line joined with <SOMETEXT>. To skip blank lines, use:

I used this to mass install a lot of perl stuff. Threw it together because I was feeling *especially* lazy. The 'perl' and the 'module' can be replaced with whatever you like.

In this way it doesn't have problems with filenames with spaces.

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.

Safe for whitespaces in names.

Parse the output of git status.

Once the line '# Changed but not updated:' has passed print every last part of the line if it exists on disk.

**NOTE** Tekhne's alternative is much more succinct and its output conforms to the files actual contents rather than with white space removed

My command on the other hand uses bash process substitution (and "Minimal" Perl), instead of files, to first remove leading and trailing white space from lines, before diff'ing the streams. Very useful when differences in indentation, such as in programming source code files, may be irrelevant

This deals nicely with filenames containing special characters and can deal with more files than can fit on a commandline. It also avoids spawning du.

Perl variant of echo several blank lines command

Function: char * crypt (const char *key, const char *salt)

The crypt function takes a password, key, as a string, and a salt character array which is described below, and returns a printable ASCII string which starts with another salt. It is believed that, given the output of the function, the best way to find a key that will produce that output is to guess values of key until the original value of key is found.

The salt parameter does two things. Firstly, it selects which algorithm is used, the MD5-based one or the DES-based one. Secondly, it makes life harder for someone trying to guess passwords against a file containing many passwords; without a salt, an intruder can make a guess, run crypt on it once, and compare the result with all the passwords. With a salt, the intruder must run crypt once for each different salt.

For the MD5-based algorithm, the salt should consist of the string $1$, followed by up to 8 characters, terminated by either another $ or the end of the string. The result of crypt will be the salt, followed by a $ if the salt didn't end with one, followed by 22 characters from the alphabet ./0-9A-Za-z, up to 34 characters total. Every character in the key is significant.

For the DES-based algorithm, the salt should consist of two characters from the alphabet ./0-9A-Za-z, and the result of crypt will be those two characters followed by 11 more from the same alphabet, 13 in total. Only the first 8 characters in the key are significant.

usefull for posts via wget

All with only one pipe. Should be much faster as well (sort is slow). Use find instead of ls for recursion or reliability.

Edit: case insensitive

This version works on an AIX system on which I have very limited permissions. The other version fails with "Can't open file /usr/opt/perl588/lib/site_perl/5.8.8/aix/auto/DBI/.packlist".

This will show you any links that a command follows (unlike 'file -L'), as well as the ultimate binary or script.

Put the name of the command at the very end; this will be passed to perl as the first argument.

For obvious reasons, this doesn't work with aliases or functions.

Replace DOS character ^M with newline using perl inline replace.

Works only if modules are installed "the right way"

This will list all symlinks that are directories under the current directory. This will help you distinguish them from regular files.

Here's a version that uses perl. If you'd like a trailing newline:

Full Command:

You'll need googlecl and python-gdata. First setup google cl via:

Then give your PC access

Then do the command, save it or use this one to dump it in the cone-address.txt file in your home dir:

Then import into cone.

It filters out multiple emails, and contacts with no email that have N/A. (Picasa photo persons without email for example...)

Print "Art of hacking..." 100 times by perl

or you can this tools : http://packetstormsecurity.org/shellcode/shellcodeencdec.py.txt

Replaces tabs in output with spaces. Uses perl since sed seems to work differently across platforms.

This includes a title attribute so you can see the file name by hovering over an image. Also will hoover up any image format - jpg, gif and png.