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Top Forums Shell Programming and Scripting Trying to pull a variable out of an xml file... Post 302583549 by Renfield on Tuesday 20th of December 2011 05:27:34 PM
Old 12-20-2011
Trying to pull a variable out of an xml file...

Hello. I'm new to *ix and am trying to pull a variable or two from an xml document. The document is in the format:

Code:
<name>7_3(A).mov</name>
      <description>Some description from a file</description>
      <updatename>7_3_A.mov</updatename>
      <updatepath>Dailies Released</updatepath>
      <playlist>Selects Day 5,Dailies Day 5</playlist>

What I need to do is take the value or values from inside the <playlist> tags and assign them to variables. So, for this example, I'd like to be able to set $playlist1 to "Selects Day 5" and $playlist2 to "Dailies Day 5." The values in that xml tag will always be comma separated and there can be any number of them. I used grep to find the playlist lines, but don't know what to do next.

There are many more lines for each item described in the xml and there will be other instances of the <playlist> tag. I'll need to ignore instances of any value already set so, for example, once I've got the values "Selects Day 5" and "Dailies Day 5" from the above example I will need to ignore any further instances of those values until the script is executed again.

Any help would really be appreciated.

Thanks!

Dan
 

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DDATE(1)						     Emperor Norton Utilities							  DDATE(1)

NAME
ddate - converts Gregorian dates to Discordian dates SYNOPSIS
ddate [+format] [date] DESCRIPTION
ddate prints the date in Discordian date format. If called with no arguments, ddate will get the current system date, convert this to the Discordian date format and print this on the stan- dard output. Alternatively, a Gregorian date may be specified on the command line, in the form of a numerical day, month and year. If a format string is specified, the Discordian date will be printed in a format specified by the string. This mechanism works similarly to the format string mechanism of date(1), only almost completely differently. The fields are: %A Full name of the day of the week (i.e., Sweetmorn) %a Abbreviated name of the day of the week (i.e., SM) %B Full name of the season (i.e., Chaos) %b Abbreviated name of the season (i.e., Chs) %d Ordinal number of day in season (i.e., 23) %e Cardinal number of day in season (i.e., 23rd) %H Name of current Holyday, if any %N Magic code to prevent rest of format from being printed unless today is a Holyday. %n Newline %t Tab %X Number of days remaining until X-Day. (Not valid if the SubGenius options are not compiled in.) %{ %} Used to enclose the part of the string which is to be replaced with the words "St. Tib's Day" if the current day is St. Tib's Day. %. Try it and see. EXAMPLES
% ddate Sweetmorn, Bureaucracy 42, 3161 YOLD % ddate +'Today is %{%A, the %e of %B%}, %Y. %N%nCelebrate %H' Today is Sweetmorn, the 42nd of Bureaucracy, 3161. % ddate +"It's %{%A, the %e of %B%}, %Y. %N%nCelebrate %H" 26 9 1995 It's Prickle-Prickle, the 50th of Bureaucracy, 3161. Celebrate Bureflux % ddate +'Today's %{%A, the %e of %B%}, %Y. %N%nCelebrate %H' 29 2 1996 Today's St. Tib's Day, 3162. BUGS
ddate(1) will produce undefined behaviour if asked to produce the date for St. Tib's day and its format string does not contain the St. Tib's Day delimiters %{ and %}. NOTE
After `X-Day' passed without incident, the Church of the SubGenius declared that it had got the year upside down - X-Day is actually in 8661 AD rather than 1998 AD. Thus, the True X-Day is Cfn 40, 9827. AUTHOR
Original program by Druel the Chaotic aka Jeremy Johnson (mpython@gnu.ai.mit.edu) Major rewrite by Lee H:. O:. Smith, KYTP, aka Andrew Bulhak (acb@dev.null.org) Five tons of flax. DISTRIBUTION POLICY
Public domain. All rites reversed. SEE ALSO
date(1), http://www.subgenius.com/ Malaclypse the Younger, Principia Discordia, Or How I Found Goddess And What I Did To Her When I Found Her 59 Bureaucracy 3161 DDATE(1)
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