Need record count on every 30 minute


 
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# 8  
Ravinder- Itried this but did'nt got out put

Code:
awk '{split($1, A,":");if(A[1]==23 && A[2]==30){print SUM};SUM+=$NF}' a

nothing return
# 9  
Hello,

I have used same Input_file provided by you, only thing I have added at last 23:59 as per your condition provided. Please note that variable named SUM will be printed only if line has 23:59 value. Let's say following is the Input_file.
Code:
cat Input_file
00:01   21
00:02   23
00:03   34
00:04   34
00:05   30
00:06   16
00:07   26
00:08   13
00:09   17
00:10   13
00:11   21
00:12   24
00:13   28
00:14   26
00:15   21
00:16   39
00:17   42
00:18   37
00:19   29
00:20   20
00:21   25
00:22   30
00:23   10
00:24   19
00:25   19
00:26   20
00:27   24
00:28   16
00:29   18
00:30   16
00:31   17
00:32   34
00:33   14
00:34   20
00:35   21
00:36   37
00:37   21
00:38   27
00:39   28
00:40   13
00:41   18
00:42   22
00:43   14
00:44   12
00:45   16
00:46   30
00:47   19
00:48   23
00:49   22
00:50   25
00:51   30
00:52   32
00:53   25
00:54   15
00:55   13
00:56   11
00:57   22
00:58   19
00:59   19
01:00   18
01:01   30
01:02   25
01:03   25
01:04   20
01:05   14
01:06   23
01:07   9
01:08   9
01:09   10
01:10   10
01:11   18
01:12   12
01:13   17
01:14   15
01:15   14
01:16   20
01:17   6
01:18   8
01:19   10
01:20   14
01:21   13
01:22   10
01:23   7
01:24   20
01:25   16
01:26   17
01:27   14
01:28   18
01:29   19
01:30   15
01:31   19
01:32   18
01:33   13
01:34   14
01:35   13
01:36   17
01:37   5
01:38   15
01:39   19
01:40   34
01:41   18
01:42   10
01:43   13
01:44   11
01:45   16
01:46   13
01:47   4
01:48   4
01:49   14
01:50   14
01:51   7
01:52   20
01:53   18
01:54   17
01:55   20
01:56   30
01:57   14
01:58   27
01:59   17
02:00   24
02:01   60
02:02   23
02:03   8
02:04   31
02:05   47
02:06   34
02:07   30
02:08   26
02:09   18
02:10   35
02:11   29
02:12   33
02:13   23
02:14   7
23:30   22

Following is the code then for same.
Code:
awk '{split($1, A,":");if(A[1]==23 && A[2]==30){print SUM};SUM+=$NF}' Input_file

Output is as follows.
Code:
2688

Let me know the complete details for requirement if above doesn't help you.

Thanks,
R. Singh
# 10  
If you have such a file per day, this will work just fine:
Code:
#!/bin/bash
total=0
while read time value;do
	total=$(( $total + $value))
done<input_file
echo $total

hth
# 11  
great Ravinder thanks.
it works.
 

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