10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
In several scripts that process files matched by name pattern I needed to add a check for file existence. Just to illustrate let's say I need to process all N??? files:
/tmp$ touch N100 N101
/tmp$ l ?10
-rw-rw-r-- 1 moss group 0 Apr 19 11:22 N100
-rw-rw-r-- 1 moss group ... (10 Replies)
Discussion started by: migurus
10 Replies
2. Shell Programming and Scripting
Hi All,
I am facing a problem while checking for existence of file over ssh !
Basically, i want to ssh and check if file exists.. If file exists return 1. If file does not exits return 0 (or any value)
I am using the below code
file_avail=`ssh username@host "if ]; then exit 1;... (10 Replies)
Discussion started by: galaxy_rocky
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3. Shell Programming and Scripting
Hey, I am new to scripting and was wondering what is wrong with this if statement. I want to check if file exists and the if it does to unzip it. I program it as follows
if ; then
gunzip *_filename.gz
fi
Thanks in advance!
Please use code tags next time for your code and data. (10 Replies)
Discussion started by: mostarac2487
10 Replies
4. Shell Programming and Scripting
Hi Everyone,
I am writing a shell script for the below needs and would like your suggestions and advices.
I have a lot of scripting files(Shell Scripts) under the directory:
/home/risk_dev/dev
I have another directory which has a lot of shell scripts under the directory:
... (2 Replies)
Discussion started by: filter
2 Replies
5. Shell Programming and Scripting
Hi All,
what is the difference between -f and -e.
Regards,
ch33ry (1 Reply)
Discussion started by: ch33ry
1 Replies
6. Shell Programming and Scripting
How can I check if a file exists in csh? I know there is "-e $file" but do not know exactly how to use it.
I have tried the below but I'm getting "Bad : modifier in $ ( )."
foreach f ($AfullnameLst)
if (-e $f) then
echo "$f: file exists"
endif
end (6 Replies)
Discussion started by: kristinu
6 Replies
7. Shell Programming and Scripting
Hi,
I'm new to UNIX, at least shell programming and am having trouble figuring out a problem i'm having. In one section in my nested if statement, i want the program to test if the file does not exist, based on an argument supplied at the command line by the user. What i have is
elif ; then... (3 Replies)
Discussion started by: rowlf
3 Replies
8. Shell Programming and Scripting
Hai All,
please help me in solving this assignment!!!
i need a unix script that has to check the text file exists or not in all directories and sub directories if textfile exists display the directory path else display does not exists!!
example: kamal.txt that i want to search if the... (5 Replies)
Discussion started by: G.K.K
5 Replies
9. Shell Programming and Scripting
How can I check if a file exists in shell script. Basically, I want to check if a file Test_msgs has been created today. If it has been then append data to it. Otherwise, create it. I have written the following but it does not work.
todaysdate=$(date +%d%m%Y)
timenow=$(date +%H%M%S)... (4 Replies)
Discussion started by: gugs
4 Replies
10. IP Networking
Hi I have a bit of c code which I'm trying to use as a relay between apache and a scgi cluster.
Example of problem code is below:
while((n = recv(scgiSock, local_data, MAX_LENGTH, 0)) > 0)
{
time(&t2);
time_now = t2 - t1;
if(time_now > TIMEOUT)
... (2 Replies)
Discussion started by: fishman2001
2 Replies
CUBRID_IS_INSTANCE(3) 1 CUBRID_IS_INSTANCE(3)
cubrid_is_instance - Check whether the instance pointed by OID exists
SYNOPSIS
int cubrid_is_instance (resource $conn_identifier, string $oid)
DESCRIPTION
The cubrid_is_instance(3) function is used to check whether the instance pointed by the given $oid exists or not.
PARAMETERS
o $conn_identifier
-Connection identifier.
o $oid
-OID of the instance that you want to check the existence.
RETURN VALUES
1, if such instance exists;
0, if such instance does not exist;
-1, in case of error
EXAMPLES
Example #1
cubrid_is_instance(3) example
<?php
$conn = cubrid_connect("localhost", 33000, "demodb");
$sql = <<<EOD
SELECT host_year, medal, game_date
FROM game
WHERE athlete_code IN
(SELECT code FROM athlete WHERE name='Thorpe Ian');
EOD;
$req = cubrid_execute($conn, $sql, CUBRID_INCLUDE_OID);
$oid = cubrid_current_oid($req);
$res = cubrid_is_instance ($conn, $oid);
if ($res == 1) {
echo "Instance pointed by $oid exists.
";
} else if ($res == 0){
echo "Instance pointed by $oid doesn't exist.
";
} else {
echo "error
";
}
cubrid_disconnect($conn);
?>
The above example will output:
Instance pointed by @0|0|0 doesn't exist.
SEE ALSO
cubrid_drop(3), cubrid_get_class_name(3).
PHP Documentation Group CUBRID_IS_INSTANCE(3)