extracting non-zero pairs of numbers from each row
Hi all,
I do have a tab delimited file
I want to examine each of the rows one by one and see whether there is only one-pair of non zero values across that row. If there is one, then output that value in a file in the following format:
If there are more than one pair of non-zero values in a row ignore that row.
my original file has thousands of rows and columns.
Please let me know the best way in awk or sed to extract this
hi...
i want to extract single row from a file at a time and i don't want to specify which row to be extracted in the command.
i mean i want to use a loop, so that i will fetch all the rows one after the another.
i used sed -n '$count p' filename
but this is not working.
please give me the... (2 Replies)
Hello Everyone,
i have quick question.
I have file names like: bin_map300.asc and I would like to extract grid300.
My approach so far:
name=bin_map300.asc
echo ${name%%.*}
echo ${name##*_}
I am stuck combining the two.
Any help would be appreciated. (3 Replies)
File A
aa <space> --D--A--D---DDY---M--UM-M--MY
Another file
D3
M9
So output shud be
Here in FileA D which is 3 after removing dash
after we have counted dash D is position at 9
and for M is 23
final output will be
D9
M23 (2 Replies)
is there another way of doing the below:
echo "7 3 8 2 2 1 3 83.4 8.2 4 8 73 90.5" | bc
shell is bash. os is linux and sunos.
bc seems to have an issue with long range of numbers (12 Replies)
I have a spreadsheet of extremely long rows of numbers. I want to print only the last column. Tried using printf but there seems to be too many rows.
example:
3 100 34 7 23 0 8 ..... X
400 203 778 1 ..........Y
58 3 9 0 100 ..........Z
I only want to print X, Y and... (1 Reply)
Hi I am part of a academic organization and I want to send a fax to the students however there must be a quicker way to get the fax numbers extracted from the online forms they sent me.
The file looks like this (numbers are fake in order to protect identity):
Biochemistry Major
Michael... (3 Replies)
I am extracting a number of key/value pairs in awk using following:
awk '
/xyz_session_id/ {
n=index($0,"xyz_session_id");
id=substr($0,n+15,25);
a=$4;
}
END{
for (ix in a) { print a }
}'
I don't like this Index + substr with manually calculated... (5 Replies)
the following is used to add numbers:
echo 7 47 47 44 4 3 3 3 3 3 | awk '{ for(i=1; i<=NF;i++) j+=$i; print j; j=0 }'
how do i multiply OR subtract a row of numbers using the above tactic? (8 Replies)
In a huge log file (43MB, 43k lines) I am trying to extract data between two tag pairs on same line and export it to a file so I can pull it into Excel for a report.
One Pair is <Text>data I need</Text>
Other pair follows on same line and is <TimeStamp>more data I need</TimeStamp>
I would need... (2 Replies)
Need help in coding:
File with several rows incl. numbers like
1 2 3 4
5 6 7 8
...
How can i build the sum of each row seperately?
10
26
...
Thx for help.
Please use CODE tags as required by forum rules! (13 Replies)
Discussion started by: smitty11
13 Replies
LEARN ABOUT PHP
splfileobject.fputcsv
SPLFILEOBJECT.FPUTCSV(3) 1 SPLFILEOBJECT.FPUTCSV(3)SplFileObject::fputcsv - Write a field array as a CSV line
SYNOPSIS
public int SplFileObject::fputcsv (array $fields, [string $delimiter = ","], [string $enclosure = '"'], [string $escape = "
DESCRIPTION
Writes the $fields array to the file as a CSV line.
PARAMETERS
o $fields
- An array of values.
o $delimiter
- The optional $delimiter parameter sets the field delimiter (one character only).
o $enclosure
- The optional $enclosure parameter sets the field enclosure (one character only).
o $escape
- The optional $escape parameter sets the escape character (one character only).
RETURN VALUES
Returns the length of the written string or FALSE on failure.
Returns FALSE, and does not write the CSV line to the file, if the $delimiter or $enclosure parameter is not a single character.
ERRORS /EXCEPTIONS
An E_WARNING level error is issued if the $delimiter or $enclosure parameter is not a single character.
CHANGELOG
+--------------+-------------------------------+
| Version | |
| | |
| | Description |
| | |
+--------------+-------------------------------+
|5.5.21, 5.6.5 | |
| | |
| | Added the $escape parameter. |
| | |
+--------------+-------------------------------+
EXAMPLES
Example #1
SplFileObject::fputcsv example
<?php
$list = array (
array('aaa', 'bbb', 'ccc', 'dddd'),
array('123', '456', '789'),
array('"aaa"', '"bbb"')
);
$file = new SplFileObject('file.csv', 'w');
foreach ($list as $fields) {
$file->fputcsv($fields);
}
?>
The above example will write the following to file.csv:
aaa,bbb,ccc,dddd
123,456,789
"""aaa""","""bbb"""
SEE ALSO fputcsv(3), SplFileObject::fgetcsv.
PHP Documentation Group SPLFILEOBJECT.FPUTCSV(3)