Hi,
I want to write a shell script which increments a particular column in a row from a text file and then adds another row below the current row with the incremented value .
For Eg .
if the input file has a row :
abc xyz lmn 89 lm nk o p
I would like the script to create something like... (9 Replies)
Lets say I have a file abc.txt and it has about 35 million rows. I would like to take a sample of 100 random rows from that file for my testing purpose and write it to a file say test.txt.
How do I do this operation?
Thanks,
Sashank (9 Replies)
Hi
I want to append line 2n to 2n-1 line where n=1...LastLine in my file.
eg:
Actual File:
Hello
Everyone
Welcome
TO Unix
I need
Your help
Required File:
HelloEveryone
WelcomeTO Unix
I needYour help (5 Replies)
hi guys, today i'm stuck in a new problem.
the title explain more or less but a particular had been omitted. So i'm going to describe below the situation with an example.
I have different html files and each of them have a consecutive lines group inside that i want to extract.
example:
... (8 Replies)
Hi Friends,
I have a single column data like below.
1
2
3
4
5
I need the output like below.
0
1
2
3
4
where each row (including first row) subtracting from first row and the result should print below like the way shown in output file.
Thanks
Sid (11 Replies)
I have a fixed length file and I want to find out row number along with row length.
I have a program that give me the line length if it satisfy the condition; but i would like to add row number as well?
How do I do that?
while IFS= read -r line; do
if ; then
echo ${line}
echo... (8 Replies)
Hi.
How can we print those rows of file2 which are mentioned in file1. first character of file1 is a row number.. for eg
file1
1:abc
3:ghi
6:pqr
file2
a abc
b def
c ghi
d jkl
e mno
f pqr
... (6 Replies)
this is the requirement
list.txt
table1
table2
table3
testfile.txt
name#place#data#select * from table1
name2#place2#data2#select * from table 10 innerjoin table3
name2#place2#data2#select * from table 10
output
name place table1
name2 place table3
i tried using awk (7 Replies)
FBSQL_DATA_SEEK(3) 1 FBSQL_DATA_SEEK(3)fbsql_data_seek - Move internal result pointerSYNOPSIS
bool fbsql_data_seek (resource $result, int $row_number)
DESCRIPTION
Moves the internal row pointer of the FrontBase result associated with the specified result identifier to point to the specified row num-
ber.
The next call to fbsql_fetch_row(3) would return that row.
PARAMETERS
o $
result -A result identifier returned by fbsql_query(3) or fbsql_db_query(3).
o $row_number
- The row number. Starts at 0.
RETURN VALUES
Returns TRUE on success or FALSE on failure.
EXAMPLES
Example #1
fbsql_data_seek(3) example
<?php
$link = fbsql_pconnect("localhost", "_SYSTEM", "secret")
or die("Could not connect");
fbsql_select_db("samp_db")
or die("Could not select database");
$query = "SELECT last_name, first_name FROM friends;";
$result = fbsql_query($query)
or die("Query failed");
// fetch rows in reverse order
for ($i = fbsql_num_rows($result) - 1; $i >=0; $i--) {
if (!fbsql_data_seek($result, $i)) {
printf("Cannot seek to row %d
", $i);
continue;
}
if (!($row = fbsql_fetch_object($result)))
continue;
echo $row->last_name . $row->first_name . "<br />
";
}
fbsql_free_result($result);
?>
PHP Documentation Group FBSQL_DATA_SEEK(3)