If I want to put only the entries Email and Age in the output file from the desired record, how do I do that? I know 'print' command can do this, but my syntax always goes wrong.
I have a file which is 5 million records. And each records has 412 fields has delimited by "|". So that makes each records to be 2923 bytes long. I wanted to extract specific records like top 100 or 2500 - 5000, 50001 - 10000 etc. from this file.
I tried using head command for top 100 records,... (1 Reply)
I am trying to cut the first 10 characters from a file only if the file has 'xyz' in field 185-188.
I tried this
cat filename | cut -c1-10
but this gives me all the records regardless of what is in field 185-188.
Is this doable ?
Thanks in advance for responses. (2 Replies)
I have a flat file and need to count no of records in the file less the header and the trailer record.
I would appreciate any and all asistance
Thanks
Hadi Lalani (2 Replies)
Hi,
I am looking for a method to get column13 to column 50 data from the 1st line of a multiline reord. The records are stored in a large file and are separated by newline. sample format is
(data in red is to be extracted)
<header>
A001dfhskhfkdsh hajfhksdhfjh... (3 Replies)
Hi,
I have a file where there "Tab" seperated values are present.I need to identify duplicate entries based on column 1 & 6 only .
For e.g :
I tried using uniq ..but the output is only having one duplicate entry, instead of both the entries.I need both the above entries .
uniq -f5... (2 Replies)
I have 2 files
"File 1" is delimited by ";" and "File 2" is delimited by "|".
File 1 below (3 record shown):
Doc1;03/01/2012;New York;6 Main Street;Mr. Smith 1;Mr. Jones
Doc2;03/01/2012;Syracuse;876 Broadway;John Davis;Barbara Lull
Doc3;03/01/2012;Buffalo;779 Old Windy Road;Charles... (2 Replies)
Hello:
Is there a simple way to remove empty records of FASTA format file?
A FASTA format consists of two parts: header and sequence (for non-biologist, Wiki for details of course!). The header always start with ">" for the name of the sequence. The header must be in this ONLY single line.... (9 Replies)
Suppose i have the following data :
cat file.txt
12431,123334,55353,546646,14342234,4646,35234
123123,3535,123434,132535,1234134,13535,123534
123213,545465,23434,45646,2342345,4656,31243
2355425,2134324,53425,342,35235,23434,234535
3423424,234234,65465,,2344,35436,234524,234... (7 Replies)
Hi I am new to shell programming in unix
Please if I can provide help.
I have a file structure of a header record and "N" detail records.
The header record will be the total number of detail records
I need to split the file in 2:
One for the header
Another for all detail records
Could... (1 Reply)
Discussion started by: jamcogar
1 Replies
LEARN ABOUT DEBIAN
otfdump
OTFDUMP(1) User Commands OTFDUMP(1)NAME
otfdump - otfdump
DESCRIPTION
otfdump - convert otf traces or parts of it into a human readable, long
version
Options:
-h, --help
show this help message
-V show OTF version
-f <n> set max number of filehandles available (default: 50)
-o <file>
output file if the ouput file is unspecified the stdout will be used
--num <a> <b>
output only records no. [a,b]
--time <a> <b> output only records with time stamp in [a,b]
--nodef
omit definition records
--noevent
omit event records
--nostat
omit statistic records
--nosnap
omit snapshot records
--nomarker
omit marker records
--nokeyvalue
omit key-value pairs
--fullkeyvalue show key-value pairs including the contents
of byte-arrays
--procs <a>
show only processes <a> <a> is a space-seperated list of process-tokens
--records <a>
show only records <a> <a> is a space-seperated list of record-type-numbers record-type-numbers can be found in OTF_Definitions.h
(OTF_*_RECORD)
-s, --silent
do not display anything except the time otfdump needed to read the tracefile
otfdump 1.10.2 May 2012 OTFDUMP(1)
12-14-2010
