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grep a word instead of a line

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# 1  
Old 09-26-2008
grep a word instead of a line
Hi all,


I'm a noobie at shell scripting (and Linux) with no experience on programing.

I'm trying to create a script that will download my xml calendar from Google, process it in the [month, day<TAB>description] format and dump it into $HOME/.calendar/calendar.

Eg:
April 10 Event

I'm having a hard time using field delimiter on cut because the xml code changes depending on how much info I have on that calendar entry.

Here's an example of an entry in xml:

Quote:
&lt;br /&gt;Event Status: confirmed</content><link rel='alternate' type='text/html' href='http://www.google.com/calendar/event?eid=aXY2MW1vY2sxOTNiYnQ5aG5qczlxaXNscjQgdmljdG9yYnJjYUBt' title='alternate'/><link rel='self' type='application/atom+xml' href='http://www.google.com/calendar/feeds/xxxxxxxgmail.com/public/basic/iv61mock193bbt9hnjs9qislr4'/><author><name>xxxxxx xxxxxxx</name><email>xxxxxxx@gmail.com</email></author></entry><entry><id>http://www.google.com/calendar/feeds/xxxxxxxxxxxxxgmail.com/public/basic/h40hv3rhht360l0sp36ctr2ef8</id><published>2008-09-23T02:48:41.000Z</published><updated>2008-09-23T02:48:41.000Z</updated><category scheme='http://schemas.google.com/g/2005#kind' term='http://schemas.google.com/g/2005#event'/><title type='html'>Flooring</title><summary type='html'>When: Mon Sep 29, 2008&lt;br&gt;


&lt;br&gt;Event Status: confirmed</summary><content type='html'>When: Mon Sep 29, 2008&lt;br /&gt;
This the script I came up with:

Code:
#!/bin/bash


## Reads URL
_url=$1

## Gets Title
_get1=`wget $_url -q -O - | cut -d">" -f20 | grep title | sed 's/..title//g'`

## Gets time
_get2=`wget $_url -q -O - | cut -d">" -f3 | egrep '^W' | cut -d" " -f3,4 | sed 's/,//g'`


#Counter
_cnt=`echo "$_get1" | wc -l`
_cnt=$(( _cnt + 1 ))
#echo $_cnt
e="1"



while [ "$e" -lt "$_cnt" ] ; do
        _title=`echo "$_get1" | head -n "$e" | tail -n 1`
        _time=`echo "$_get2" | head -n "$e" | tail -n 1`
#       echo -e "$_time\t$_title"
#       echo "$e"
        e=$(( e + 1 ))
done

This almost works. It ends up missing one "title" due to the delimiter changes.

Any help is more than appreciated.

Thanks!! Smilie

Vic.
# 2  
Old 09-26-2008
parsing xml using shell?? I suggest you use a programming language (eg Python/Perl) that supports XML parsers.
# 3  
Old 09-28-2008
agreed, download python2.5 and use xml.etree.cElementTree library to parse your XML. infinitely easier.
# 4  
Old 09-28-2008
Quote:
Originally Posted by ghostdog74
parsing xml using shell?? I suggest you use a programming language (eg Python/Perl) that supports XML parsers.
So that's the problem. I didn't know that this was the proper way of doing it.

I guess it will take a while before I can finish the script them. I gotta learn shell before I can jump into another language.

Thanks for the reply! Smilie

Vic.
# 5  
Old 03-08-2009
PS: You may not need to. Google's Calendars can be exported into the "iCal" format. Chances are, the program that looks at .calendar already honors this format.
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