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I have some text files in a folder f1 with 10 columns. The first five columns of a file are shown below.
aab abb 263-455 263 455
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line number:status, market, keystation
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hi,
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4. Shell Programming and Scripting
Hi,
Please help me in finding the number of occurences of the string.
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Word Count
----- -----
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I want to count the number of occurences of say "200" in a file but that file also contains various stuff including dtaes like 2007 or smtg like 200.1 so count i am getting by doing grep -c "word" file is wrong
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I have enclosed the script. I am able to find the files that contain my search string but when I try to count the occurences within the file I get zero always. Any help on this.
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hi I hace a string
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i replaced commas with spaces, now i want to calculate nof occurences of "abc" word.
thanks in advance
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Hi,
For example lets consider i have word like this:cell
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dpa(1) General Commands Manual dpa(1)
NAME
dpa - DNS Packet Analyzer. Analyze DNS packets in ip trace files
SYNOPSIS
dpa [ OPTION ] TRACEFILE
DESCRIPTION
dpa is used to analyze dns packets in trace files. It has 3 main options: count, filter, and count uniques (i.e. count all different
occurences).
OPTIONS
-c expressionlist
Count occurrences of matching expressions
-f expression
Filter: only process packets that match the expression
-h Show usage
-p Show the total number of correct DNS packets, and percentage of -u and -c values (of the total of matching on the -f filter. if no
filter is given, percentages are on all correct dns packets)
-of file
Write all packets that match the -f flag to file, as pcap data.
-ofh file
Write all packets that match the -f flag to file, in hexadecimal format, readable by drill.
-s Show possible match names
-s matchname
show possible match operators and values for name
-sf Only evaluate packets (in representation format) that match the -f filter. If no -f was given, evaluate all correct dns packets.
-u matchnamelist
Count every occurence of every value of the matchname (for instance, count all packetsizes, see EXAMPLES in ldns-dpa(1) ).
-ua For every matchname in -u, show the average value of all matches. Behaviour for match types that do not have an integer value is
undefined.
-uac For every matchname in -u, show the average number of times this value was encountered.
-um number
Only show the results from -u for values that occurred more than <number> times.
-v level
Set verbosity to level (1-5, 5 being the highest). Mostly used for debugging.
-notip file
Write packets that were not recognized as IP packets to file (as pcap data).
-baddns file
Write dns packets that were too mangled to parse to file (as pcap data).
-version
Show version and exit
LIST AND MATCHES
A <matchnamelist> is a comma separated list of match names (use -s to see possible match names). A <expressionlist> is a comma separated
list of expressions.
An expression has the following form: <expr>: (<expr>)
<expr> | <expr>
<expr> & <expr>
<match>
<match>: <matchname> <operator> <value>
<operator>: = equal to <value> != not equal to <value> > greater than <value> < lesser than <value>
>= greater than or equal to <value> <= lesser than or equal to <value> ~= contains <value>
See the -s option for possible matchnames, operators and values.
EXAMPLES
ldns-dpa -u packetsize -p test.tr
Count all different packetsizes in test.tr and show the precentages.
ldns-dpa -f "edns=1&qr=0" -of edns.tr test.tr
Filter out all edns enable queries in test.tr and put them in edns.tr
ldns-dpa -f edns=1 -c tc=1 -u rcode test.tr
For all edns packets, count the number of truncated packets and all their rcodes in test.tr.
ldns-dpa -c tc=1,qr=0,qr=1,opcode=QUERY test.tr
For all packets, count the number of truncated packets, the number of packets with qr=0, the number of packets with qr=1 and the
number of queries in test.tr.
ldns-dpa -u packetsize -ua test.tr
Show all packet sizes and the average packet size per packet.
ldns-dpa -u srcaddress -uac test.tr
Show all packet source addresses and the average number of packets sent from this address.
sudo tcpdump -i eth0 -s 0 -U -w - port 53 | ldns-dpa -f qr=0 -sf
Print all query packets seen on the specified interface.
AUTHOR
Written by Jelte Jansen for NLnetLabs.
REPORTING BUGS
Report bugs to <jelte@nlnetlabs.nl>.
COPYRIGHT
Copyright (C) 2005 NLnet Labs. This is free software. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR-
POSE.
1 Nov 2005 dpa(1)