06-13-2017
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The UNIX and Linux Forums.
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Whats wrong with below logic or syntax???? (4 Replies)
Discussion started by: dsravan
4 Replies
2. Shell Programming and Scripting
#! /bin/bash
head -5 $1
echo "remove $1 ?"
read answer
if
then
echo invalid answer
elif
rm $1
echo "$1 is deleted"
elif
then
echo file is not deleted
else
echo "invalid answer"
fi
What i really want this to do is to ask to delete the file or not..it says something wrong... (1 Reply)
Discussion started by: nadman123
1 Replies
3. Shell Programming and Scripting
#! /bin/bash
USAGE=" | ]
if
then
echo "$USAGE"
exit 1
fi
while getopts lb: OPTION
do
case $(OPTION)in
a) echo Hi there!
exit 2;;
b) echo hello
o) OARG=$OPTARG;;
\?)echo "$USAGE" ;;
exit 2;;
esac
done
shift `expr... (1 Reply)
Discussion started by: nadman123
1 Replies
4. Shell Programming and Scripting
ls -ld | grep $1 /etc/passwd | cut -d: -f6
i need see the content... (4 Replies)
Discussion started by: nadman123
4 Replies
5. Shell Programming and Scripting
cmd="find /a/technologies -name '*.jar' | grep \"Tuning/specificloader/lib\""
echo $cmd
for index in `$cmd`
do
SL_JARS="${SL_JARS}:${index}"
done
gives error ==>
find: paths must precede expression
Usage: find
but
for index in... (2 Replies)
Discussion started by: crackthehit007
2 Replies
6. UNIX for Dummies Questions & Answers
can anyone tell me why this code doesn't work how its supposed to, its the hangman game but it doesn't play how its supposed to
#!/bin/bash
NoAttempts="0"
livesgiven="5"
LivesRemain=$livesgiven
LettersAttempted=""
wordfile=words
numwords=0
function menu()
{
clear
cat << menu... (1 Reply)
Discussion started by: ferrycorsten73
1 Replies
7. Homework & Coursework Questions
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
ls -ld htdocs
drwxr-x--- 3 root root 8192 2006-11-19 10:41 htdocs
How would a host administrator... (1 Reply)
Discussion started by: Larry_1
1 Replies
8. UNIX for Dummies Questions & Answers
hi whats wrong in below??
CHECK=M10;
if ;
then
echo "hello hi";
else
echo "how are u hello hi";
fi
I am getting error as
./test.sh: line 2: '
./test.sh: line 2: M10: command not found
./test.sh: line 2: M10: command not found
./test.sh: line 2: M10: command not found (8 Replies)
Discussion started by: skyineyes
8 Replies
9. Programming
Hi
I am pretty new to bash scripting.I am trying to write the if statement in bash and it give me error. Can you please help me what I am doing wrong in If statement?
Code:
if && &&
then
fector=$kk;
divide=$DB_SIZE/$kk;
echo "factor value:$fector"
echo"divide... (1 Reply)
Discussion started by: Gevni
1 Replies
10. Shell Programming and Scripting
Hi
I am pretty new to bash scripting.I am trying to write the if statement in bash and it give me error. Can you please help me what I am doing wrong in If statement?
if && &&
then
fector=$kk;
divide=$DB_SIZE/$kk;
echo "factor value:$fector"
echo"divide value:$divide"... (4 Replies)
Discussion started by: Gevni
4 Replies
PDO.EXEC(3) 1 PDO.EXEC(3)
PDO
::exec - Execute an SQL statement and return the number of affected rows
SYNOPSIS
public int PDO::exec (string $statement)
DESCRIPTION
PDO.exec(3) executes an SQL statement in a single function call, returning the number of rows affected by the statement.
PDO.exec(3) does not return results from a SELECT statement. For a SELECT statement that you only need to issue once during your program,
consider issuing PDO.query(3). For a statement that you need to issue multiple times, prepare a PDOStatement object with PDO.prepare(3) and
issue the statement with PDOStatement.execute(3).
PARAMETERS
o $statement
- The SQL statement to prepare and execute. Data inside the query should be properly escaped.
RETURN VALUES
PDO.exec(3) returns the number of rows that were modified or deleted by the SQL statement you issued. If no rows were affected, PDO.exec(3)
returns 0.
Warning
This function may return Boolean FALSE, but may also return a non-Boolean value which evaluates to FALSE. Please read the section on
Booleans for more information. Use the === operator for testing the return value of this function.
The following example incorrectly relies on the return value of PDO.exec(3), wherein a statement that affected 0 rows results in a call to
die(3):
<?php
$db->exec() or die(print_r($db->errorInfo(), true));
?>
EXAMPLES
Example #1
Issuing a DELETE statement
Count the number of rows deleted by a DELETE statement with no WHERE clause.
<?php
$dbh = new PDO('odbc:sample', 'db2inst1', 'ibmdb2');
/* Delete all rows from the FRUIT table */
$count = $dbh->exec("DELETE FROM fruit WHERE colour = 'red'");
/* Return number of rows that were deleted */
print("Deleted $count rows.
");
?>
The above example will output:
Deleted 1 rows.
SEE ALSO
PDO.prepare(3), PDO.query(3), PDOStatement.execute(3).
PHP Documentation Group PDO.EXEC(3)