09-30-2009
And you're sure you used double and not single quotes?
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Hello..
i want to use variable in sed..
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hi all,
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PLEASE EXPLANIN ME...
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Hi Friends!!
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Hi,
The following command works fine for me, but I could not grasp the logic working behind of sed command, it's obscure to me :( :confused:
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i have input files like this
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Hi,
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Hi All
Can some one explain what does the given two sed commands do :confused:
sed "s/\'/\\\'/g" |
sed 's/\"/\\\"/g'
Please find the sample code i used to find out what this is doing , but it has confused me more :wall:
$ cat sri1.txt
\
'
"
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\
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LEARN ABOUT PHP
get_magic_quotes_gpc
GET_MAGIC_QUOTES_GPC(3) 1 GET_MAGIC_QUOTES_GPC(3)
get_magic_quotes_gpc - Gets the current configuration setting of magic_quotes_gpc
SYNOPSIS
bool get_magic_quotes_gpc (void )
DESCRIPTION
Returns the current configuration setting of magic_quotes_gpc
Keep in mind that attempting to set magic_quotes_gpc at runtime will not work.
For more information about magic_quotes, see this security section.
RETURN VALUES
Returns 0 if magic_quotes_gpc is off, 1 otherwise. Or always returns FALSE as of PHP 5.4.0.
CHANGELOG
+--------+---------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+---------------------------------------------------+
| 5.4.0 | |
| | |
| | Always returns FALSE because the magic quotes |
| | feature was removed from PHP. |
| | |
+--------+---------------------------------------------------+
EXAMPLES
Example #1
get_magic_quotes_gpc(3) example
<?php
// If magic quotes are enabled
echo $_POST['lastname']; // O'reilly
echo addslashes($_POST['lastname']); // O\'reilly
// Usage across all PHP versions
if (get_magic_quotes_gpc()) {
$lastname = stripslashes($_POST['lastname']);
}
else {
$lastname = $_POST['lastname'];
}
// If using MySQL
$lastname = mysql_real_escape_string($lastname);
echo $lastname; // O'reilly
$sql = "INSERT INTO lastnames (lastname) VALUES ('$lastname')";
?>
NOTES
Note
If the directive magic_quotes_sybase is ON it will completely override magic_quotes_gpc. So even when get_magic_quotes_gpc(3)
returns TRUE neither double quotes, backslashes or NUL's will be escaped. Only single quotes will be escaped. In this case they'll
look like: ''
SEE ALSO
addslashes(3), stripslashes(3), get_magic_quotes_runtime(3), ini_get(3).
PHP Documentation Group GET_MAGIC_QUOTES_GPC(3)