04-08-2010
if I wanna extract a certain line like the line with $name google. How can i do that?
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File 1
<html>ta da....unique file name I want to give file=>343...</html>
<html>da ta 234 </html>
<html>pa da 542 </html>
and so on...
File 2
343
234
542
and so on, each line in File 1 one also corresponds with each line in File 2
I have tried several grep, sed, while .. read, do,... (4 Replies)
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I have a doubt in sed, i want to add some parameter at the end of the tag inside a xml tag. how to i do that. so i want to add Results="true" value="high" inside the xml tag.
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<execute description="reboot">
<execute description="Stop Servlet">
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Hi
Trying to do like this :
echo "$variable1\n $(cat file.txt)"
but it only adds one time. When I run this cmd again with different variable it only replaces line of variable1.
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So, I want to read line-by-line a text file with unknown number of files....
So:
a=1
b=1
while ; do
b=`sed -n '$ap' test`
a=`expr $a + 1`
$here do something with b etc
done
the problem is that sed does not seem to recognise the $a, even when trying
sed -n ' $a p'
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I cannot seem to get this to work..
I have a file which has about 100 lines, and there is no end of line (line break \n) at the end of each line, and this is causing problem when i paste them into an application.
the file looks like this
this is a test
that is a test
balblblablblhblbha... (1 Reply)
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6. Shell Programming and Scripting
Hi,
I want to achieve something similar to what described in another post:
The difference is I want to add the line if the pattern is not found.
File 1:
A123, valueA, valueB
B234, valueA, valueB
C345, valueA, valueB
D456, valueA, valueB
E567, valueA, valueB
F678, valueA, valueB
... (11 Replies)
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Hello,
I need a program that read a file line by line and prints out lines 1, 2 & 3 after an empty line... An example of entries in the file would be:
SRVXPAPI001 ERRO JUN24 07:28:34 1775
REASON= 0000, PROCID= #E506 #1065: TPCIPPR, INDEX= 003F
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Hi all,
I have a log file say Test.log that gets updated continuously and it has data in pipe separated format. A sample log file would look like:
<date1>|<data1>|<url1>|<result1>
<date2>|<data2>|<url2>|<result2>
<date3>|<data3>|<url3>|<result3>
<date4>|<data4>|<url4>|<result4>
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9. UNIX for Beginners Questions & Answers
Input file:
1
2
3
4
5
6
7
8
9
10
11
12
13
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15
16
17
18 (6 Replies)
Discussion started by: Sagar Singh
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LEARN ABOUT PHP
headers_sent
HEADERS_SENT(3) 1 HEADERS_SENT(3)
headers_sent - Checks if or where headers have been sent
SYNOPSIS
bool headers_sent ([string &$file], [int &$line])
DESCRIPTION
Checks if or where headers have been sent.
You can't add any more header lines using the header(3) function once the header block has already been sent. Using this function you can
at least prevent getting HTTP header related error messages. Another option is to use Output Buffering.
PARAMETERS
o $file
- If the optional $file and $line parameters are set, headers_sent(3) will put the PHP source file name and line number where out-
put started in the $file and $line variables.
o $line
- The line number where the output started.
RETURN VALUES
headers_sent(3) will return FALSE if no HTTP headers have already been sent or TRUE otherwise.
EXAMPLES
Example #1
Examples using headers_sent(3)
<?php
// If no headers are sent, send one
if (!headers_sent()) {
header('Location: http://www.example.com/');
exit;
}
// An example using the optional file and line parameters, as of PHP 4.3.0
// Note that $filename and $linenum are passed in for later use.
// Do not assign them values beforehand.
if (!headers_sent($filename, $linenum)) {
header('Location: http://www.example.com/');
exit;
// You would most likely trigger an error here.
} else {
echo "Headers already sent in $filename on line $linenum
" .
"Cannot redirect, for now please click this <a " .
"href="http://www.example.com">link</a> instead
";
exit;
}
?>
NOTES
Note
Headers will only be accessible and output when a SAPI that supports them is in use.
SEE ALSO
ob_start(3), trigger_error(3), headers_list(3), header(3) for a more detailed discussion of the matters involved. .
PHP Documentation Group HEADERS_SENT(3)