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 Forum index » Off-Topic Area » Programming
Bash: Count numbers in list
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zigbert


Joined: 29 Mar 2006
Posts: 6309
Location: Valåmoen, Norway
PostPosted: Mon 27 Aug 2012, 16:32    Post subject:  
L18L wrote:
Why 3 columns?

Column 2 is not always basename.
Preferable it collects information from meta tags or m3u-file.
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zigbert


Joined: 29 Mar 2006
Posts: 6309
Location: Valåmoen, Norway
PostPosted: Mon 27 Aug 2012, 17:01    Post subject: Re: Awk: Count numbers in list  
L18L wrote:
zigbert wrote:
Also, what we want is to define a alternative max value to find timestamps in a specific period. - Like february 2012. Let's say that is $4.

Where is $1 ? $1 is for pMusic internal redirection

Here is a solution using $1 and $2 timestamp from and -to

Quote:
#!/bin/ash
#additional output filename only=basename
#TIMESTAMP from to
#
LANG=C
#
FIND_FROM=$1 #timestamp
FIND_TO=$2

awk -F, -v TS1=$FIND_FROM -v TS2=$FIND_TO '{
split($1, a, "|"); $1=a[2] # fix first entry

max=NF; min=0;
while (max-min > 1) {
i=int( (max+min)/2 )
if (TS1 >= $i) min = i
else max = i
}
from=NF-min

max=NF; min=0;
while (max-min > 1) {
i=int( (max+min)/2 )
if (TS2 >= $i) min = i
else max = i
}
to=NF-min
variable 'to' is never 0, even if zero hits

num=split (a[1], b , "/")
print a[1], b[num], from-to

}' database.txt


Else, I find this excellent!!!!!
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L18L

Joined: 19 Jun 2010
Posts: 3349
Location: www.eussenheim.de/
PostPosted: Tue 28 Aug 2012, 08:50    Post subject: Re: Awk: Count numbers in list  
zigbert wrote:
Else, I find this excellent!!!!!
And our thanks go to: jamesbond Exclamation
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