Shell scripting vs Perl scripting Post: 302440299

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The Lounge What is on Your Mind? Shell scripting vs Perl scripting Post 302440299 by STOIE on Monday 26th of July 2010 09:19:00 PM

Old

07-26-2010

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I sort of disagree...

I would start will bash, it is more basic then perl which will give you a good foundation it's much more limited then perl which will show you which things to use perl for...

Also, if you learn Perl first you will find that (as a sysadm) you will always want to do something system related, in which you run in some form a bash cmd.

With bash you generally don't have to use perl, 99.9999% of the time anyway.

But with Perl you will need bash probably 30% of the time.

STOIE

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html::mason::escapes

HTML::Mason::Escapes(3pm)				User Contributed Perl Documentation				 HTML::Mason::Escapes(3pm)

NAME

       HTML::Mason::Escapes - Functions to escape text for Mason

DESCRIPTION

       This module contains functions for implementing Mason's substitution escaping feature.  These functions may also be called directly.

       html_entities_escape
	   This function takes a scalar reference and HTML-escapes it using the "HTML::Entities" module.  By default, this module assumes that the
	   string it is escaping is in ISO-8859-1 (pre Perl 5.8.0) or UTF-8 (Perl 5.8.0 onwards).  If this is not the case for your data, you will
	   want to override this escape to do the right thing for your encoding.  See the section on User-defined Escapes in the Developer's
	   Manual for more details on how to do this.

       url_escape
	   This takes a scalar reference and replaces any text it contains matching "[^a-zA-Z0-9_.-]" with the URL-escaped equivalent, a percent
	   sign (%) followed by the hexadecimal number of that character.

       basic_html_escape
	   This function takes a scalar reference and HTML-escapes it, escaping the following characters: '&', '>', '<', and '"'.

	   It is provided for those who wish to use it to replace (or supplement) the existing 'h' escape flag, via the Interpreter's
	   "set_escape()" method.

	   This function is provided in order to allow people to return the HTML escaping behavior in 1.0x.  However, this behavior presents a
	   potential security risk of allowing cross-site scripting attacks.  HTML escaping should always be done based on the character set a
	   page is in.	Merely escaping the four characters mentioned above is not sufficient.	The quick summary of why is that for some
	   character sets, characters other than '<' may be interpreted as a "less than" sign, meaning that just filtering '<' and '>' will not
	   stop all cross-site scripting attacks.  See http://www.megasecurity.org/Info/cross-site_scripting.txt for more details.

perl v5.14.2							    2012-02-04						 HTML::Mason::Escapes(3pm)