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# 1  
Old 05-09-2008
total occ.
hi all,


I want to find out the total no. of occurence of <song_id> and </song_id>
seperately from a xml file.


Any Idea.


Regards,
gander_ss
# 2  
Old 05-09-2008
Hi,

you can use grep with -c option

grep -c '<song_id>' filename

grep -c '</song_id>' filename

Thanks
Penchal
# 3  
Old 05-09-2008
Code:
grep -c "\<song\>" <filename>

grep -c "\<\\song\>" <filename>

# 4  
Old 05-09-2008
Quote:
Originally Posted by aju_kup
Code:
grep -c "\<song\>" <filename>

grep -c "\<\\song\>" <filename>

grep -c will give count of lines containing the pattern not the pattern count.
# 5  
Old 05-09-2008
Bug
You can use awk to find the pattern count provided words are separated by space or tabs.

like
awk ' BEGIN{ count=0 }{
for (i=1; i<=NF ;i++){
if ( $i == "<song_id>") count++; }
}END{ print count }'

SmilieSmilie
# 6  
Old 05-09-2008
Hi,

This also might be useful

awk '{ x=gsub(/<song_id>/,yyy,$0)
total1+=x
y=gsub(/<\/song_id>/,xxx,$0)
total2+=y }
END { print "Occurences of <song_id> is ",total1,"\n","Occurences of </song_id> is ",total2}' filename


Thanks
Penchal
# 7  
Old 05-09-2008
using Perl:
Code:
#!/usr/local/bin/perl
# count_song_tags.pl
my $filename = shift;
my $count    = 0;
open (X_FILE, '<', $filename)  or  die "Failed to read file $filename : $!";
{
    local $/;
    while (<X_FILE>) {
        while (m#<song_id>(.*?)</song_id>#gs) {
            $count++;
        }
    }
}
close (X_FILE);
print "$count song_id tag(s) found.\n";

run this script as:
Code:
perl count_song_tags.pl filename.xml

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