I'm writing a script that will ssh to a number of hosts and run commands. I'm a bit stumped at the moment as some of the commands that I need to run contain wildcards (i.e. *), and so far I have not figured out how to escape the * character so the script doesn't expand it. More specifically, here's... (9 Replies)
I am using a shell script to read SQL statements stored in a DB2 table and write them out to a file. The problem I have is that some SQL statements have an "*" in them which gets resolved as the list of files in the current directory when I run the script. How can I prevent the "*" from being... (7 Replies)
I was trying to replace a string ( for eg - @@asterisk@@ to * ) in variable using
cat $INFILE | while read LINE
do
stmt1=`echo $LINE | sed 's/@@asterisk@@/\*/g'`
stmt=$stmt' '$stmt1
stmt2=`echo $LINE`
STATEMENT=$STATEMENT' '$stmt2
done
echo 'Statement with sed -- > '... (5 Replies)
How can I assign asterisk to variable
I have try a="\* " but I was not succesful :(
any idea ?
thanks (5 Replies)
Discussion started by: kvok
5 Replies
LEARN ABOUT PHP
apc_exists
APC_EXISTS(3) 1 APC_EXISTS(3)apc_exists - Checks if APC key existsSYNOPSIS
mixed apc_exists (mixed $keys)
DESCRIPTION
Checks if one or more APC keys exist.
PARAMETERS
o $keys
- A string, or an array of strings, that contain keys.
RETURN VALUES
Returns TRUE if the key exists, otherwise FALSE Or if an array was passed to $keys, then an array is returned that contains all existing
keys, or an empty array if none exist.
EXAMPLES
Example #1
apc_exists(3) example
<?php
$fruit = 'apple';
$veggie = 'carrot';
apc_store('foo', $fruit);
apc_store('bar', $veggie);
if (apc_exists('foo')) {
echo "Foo exists: ";
echo apc_fetch('foo');
} else {
echo "Foo does not exist";
}
echo PHP_EOL;
if (apc_exists('baz')) {
echo "Baz exists.";
} else {
echo "Baz does not exist";
}
echo PHP_EOL;
$ret = apc_exists(array('foo', 'donotexist', 'bar'));
var_dump($ret);
?>
The above example will output something similar to:
Foo exists: apple
Baz does not exist
array(2) {
["foo"]=>
bool(true)
["bar"]=>
bool(true)
}
SEE ALSO apc_cache_info(3), apc_fetch(3).
PHP Documentation Group APC_EXISTS(3)