02-28-2014
Are the line numbers in file1 always in sorted order as they are in your sample?
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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)
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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?
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3. Shell Programming and Scripting
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
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Required File:
HelloEveryone
WelcomeTO Unix
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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:
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5. Shell Programming and Scripting
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
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file with this content
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I have a fixed length file and I want to find out row number along with row length.
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if ; then
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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
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9. Shell Programming and Scripting
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)
Discussion started by: vamsekumar
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10. Shell Programming and Scripting
Dear All,
I have input :
SEG901 5173 9005 5740
SEG902 5227 5284
SEG903 5284 5346
SEG904 5346 9010
SEG905 5400 5456
SEG906 5456 5511
SEG907 5511 9011
SEG908 5572 9015
SEG909 5622 9020
SEG910 5678 5739
SEG911 5739 5796
SEG912 5796 9025 ... (3 Replies)
Discussion started by: attila
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LEARN ABOUT PHP
cubrid_lob2_read
CUBRID_LOB2_READ(3) 1 CUBRID_LOB2_READ(3)
cubrid_lob2_read - Read from BLOB/CLOB data.
SYNOPSIS
string cubrid_lob2_read (resource $lob_identifier, int $len)
DESCRIPTION
The cubrid_lob2_read(3) function reads $len bytes from the LOB data and returns the bytes read.
PARAMETERS
o $lob_identifier
-Lob identifier as a result of cubrid_lob2_new(3) or get from the result set.
o $len
-Length from buffer you want to read from the lob data.
RETURN VALUES
Returns the contents as a string.
FALSE when there is no more data.
NULL on failure.
EXAMPLES
Example #1
cubrid_lob2_read(3) example 1
<?php
// test_lob (id INT, contents CLOB)
$conn = cubrid_connect("localhost", 33000, "demodb", "public", "");
$req = cubrid_execute($conn, "select * from test_lob");
$row = cubrid_fetch_row($req, CUBRID_LOB);
print "position now is " . cubrid_lob2_tell($row[1]) . "
";
cubrid_lob2_seek($row[1], 10, CUBRID_CURSOR_FIRST);
print "
position after moving farword is " . cubrid_lob2_tell($row[1]) . "
";
$data = cubrid_lob2_read($row[1], 12);
print "
position after reading is " . cubrid_lob2_tell($row[1]) . "
";
print $data . "
";
cubrid_lob2_seek($row[1], 5, CUBRID_CURSOR_CURRENT);
print "
position after moving again is " . cubrid_lob2_tell($row[1]) . "
";
$data = cubrid_lob2_read($row[1], 20);
print $data . "
";
cubrid_disconnect($conn);
?>
Example #2
cubrid_lob2_read(3) example 2
<?php
// test_lob (id INT, contents CLOB)
$conn = cubrid_connect("localhost", 33000, "demodb", "dba", "");
$req = cubrid_execute($conn, "select * from test_lob");
$row = cubrid_fetch_row($req, CUBRID_LOB);
while (true) {
if ($data = cubrid_lob2_read($row[1], 1024)) {
print $data . "
";
}
elseif ($data === false) {
print "There is no more data
";
break;
}
else {
print "There must some errors
";
break;
}
}
cubrid_disconnect($conn);
?>
SEE ALSO
cubrid_lob2_write(3), cubrid_lob2_seek(3), cubrid_lob2_seek64(3), cubrid_lob2_tell(3), cubrid_lob2_tell64(3), cubrid_lob2_size(3),
cubrid_lob2_size64(3).
PHP Documentation Group CUBRID_LOB2_READ(3)