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Top Forums Shell Programming and Scripting Find and increment at each occurence of string (loop) Post 302935789 by TiedCone on Thursday 19th of February 2015 06:28:48 AM
Old 02-19-2015
This is not what I want to achieve. Smilie
Lines:
Code:
<vlc:item tid="0"/>

are outside of <track></track>.

This is completely different string but its values have to match values of
Code:
<vlc:id></vlc:id>

so the output will look like this:
Code:
        <track>
            <location>http://ts:/</location>
            <title>name</title>
            <extension application="http://www.videolan.org/vlc/playlist/0">
                <vlc:id>0</vlc:id>
                <vlc:option>network-caching=1000</vlc:option>
            </extension>
        </track>
...
        <track>
            <location>http://ts:/</location>
            <title>name</title>
            <extension application="http://www.videolan.org/vlc/playlist/0">
                <vlc:id>50</vlc:id>
                <vlc:option>network-caching=1000</vlc:option>
            </extension>
        </track>
    </trackList>
    <extension application="http://www.videolan.org/vlc/playlist/0">
            <vlc:item tid="0"/>
            <vlc:item tid="1"/>
            <vlc:item tid="2"/>
            ...
            <vlc:item tid="50"/>

So need code for generating these lines:
Code:
<vlc:item tid="0"/>

@RudiC
'50' is the number of last occurrence of <vlc:id>0</vlc:id> in file and is flexible depends on input data file.
 

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INSTR(3)                                                       MBK UTILITY FUNCTIONS                                                      INSTR(3)

NAME
instr - find an occurence of a string in a string, starting at a specified character. ORIGIN
This software belongs to the ALLIANCE CAD SYSTEM developed by the ASIM team at LIP6 laboratory of Universite Pierre et Marie CURIE, in Paris, France. Web : http://asim.lip6.fr/recherche/alliance/ E-mail : alliance-users@asim.lip6.fr SYNOPSYS
#include "mut.h" char *instr(s, find, from) char *s, *find, from; PARAMETERS
s Pointer to the string to be searched for the pattern find Pointer to the string to be found, the pattern from Character to be searched backwards before searching for the pattern DESCRIPTION
instr searches the first occurence of the string find in the string s, starting its search at the last occurence of the from character in the string s. If either s or find is NULL, the function returns NULL. If from is (char)0, the pattern is searched from the begining of s. This quite exotic behaviour is useful to search the occurence of a name in a string resulting from a flatten, when only a terminal object name is to be taken into account. RETURN VALUES
instr return NULL either if the pattern find is not present in the searched string s, or if one at least of these two string are NULL. If the pattern is found, a value different from NULL is returned. EXAMPLE
#include "mut.h" /* check for the pattern 'ck' anywhere in the string */ #define contains_ck(name)instr(name, "ck", ' ') /* check for the pattern 'ck' in the signal name, not instance ones */ #define isclock(ptsig) instr(getsigname(ptsig), "ck", SEPAR) SEE ALSO
mbk(1), isvdd(3), isvss(3). BUG REPORT
This tool is under development at the ASIM department of the LIP6 laboratory. We need your feedback to improve documentation and tools. ASIM
/LIP6 October 1, 1997 INSTR(3)
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