Dear Guys ,
I have some Questions , i need to have answeres for .
1. now if i took a back up for /etc/passwd and /etc/shadow , like simple copy .. and Install a new system , and paste those two files to the new system ... are the passwords and user info. going to work ?? is it posibble ?
... (1 Reply)
hi ,
i have got few questions
1) i created a file "-myfile" .how can i remove this?what command shud i issue
2) i used echo "TODAYS DATE" ; DATE..........but date is comoing in second line..how can i make it come in single line?
3) how can i list all files in a directory using for... (5 Replies)
Morning, All
I've been doing some work on AIX print queues, troubleshooting some underlying issues we've been having. In the process of this I've uncovered some potential gaps in our knowledge. Our typical setup is remote impact printers (In this case OKIML5520s, with NICs) and local queues... (0 Replies)
We have to convert a sequential file to a 80 char line sequential file (HP UX platform).The sequential file contains special characters. which after conversion of the file to line sequential are getting coverted into "new line" or "tab" and file is getting distorted. Is there any way to read these... (2 Replies)
Hi guys. I'm writing a basic script in C# and there's a few areas where I am stuck, and I was wondering if you may be able to help me?
1) Can you embed an image into the source code so it will show in the windows GUI?
2) Can you change the background of the GUI?
3) How do you add an .ico to... (5 Replies)
1.) Let's say I have a list: apple1, apple2, apple3, apple4, apple5
Does anyone know how to display the txt file using c++?
Does anyone know how to insert apple6 into the text file using link list and show the whole list including apple6? (1 Reply)
Hello,
I would like to know how we can highlight/select a section of a file in vi and delete that section if we don't want to use the dd command to delete one line at at time. There is one where we don't want to delete the whole line , but up to a certain word. (2 Replies)
The below awk in bold will look for the ids in file1 in $2 of file2 and if they match print the line in file2. If an id is missing or not found in file2 (like BMPR2 in line4 of file1) I can not figure out how to add it to them to the lines in the output as missing in $3 following the same format.... (4 Replies)
Discussion started by: cmccabe
4 Replies
LEARN ABOUT PHP
echo
ECHO(3) 1 ECHO(3)echo - Output one or more stringsSYNOPSIS
void echo (string $arg1, [string $...])
DESCRIPTION
Outputs all parameters.
echo is not actually a function (it is a language construct), so you are not required to use parentheses with it. echo (unlike some other
language constructs) does not behave like a function, so it cannot always be used in the context of a function. Additionally, if you want
to pass more than one parameter to echo, the parameters must not be enclosed within parentheses.
echo also has a shortcut syntax, where you can immediately follow the opening tag with an equals sign. Prior to PHP 5.4.0, this short syn-
tax only works with the short_open_tag configuration setting enabled.
I have <?=$foo?> foo.
PARAMETERS
o $arg1
- The parameter to output.
o $...
-
RETURN VALUES
No value is returned.
EXAMPLES
Example #1
echo examples
<?php
echo "Hello World";
echo "This spans
multiple lines. The newlines will be
output as well";
echo "This spans
multiple lines. The newlines will be
output as well.";
echo "Escaping characters is done "Like this".";
// You can use variables inside of an echo statement
$foo = "foobar";
$bar = "barbaz";
echo "foo is $foo"; // foo is foobar
// You can also use arrays
$baz = array("value" => "foo");
echo "this is {$baz['value']} !"; // this is foo !
// Using single quotes will print the variable name, not the value
echo 'foo is $foo'; // foo is $foo
// If you are not using any other characters, you can just echo variables
echo $foo; // foobar
echo $foo,$bar; // foobarbarbaz
// Some people prefer passing multiple parameters to echo over concatenation.
echo 'This ', 'string ', 'was ', 'made ', 'with multiple parameters.', chr(10);
echo 'This ' . 'string ' . 'was ' . 'made ' . 'with concatenation.' . "
";
echo <<<END
This uses the "here document" syntax to output
multiple lines with $variable interpolation. Note
that the here document terminator must appear on a
line with just a semicolon. no extra whitespace!
END;
// Because echo does not behave like a function, the following code is invalid.
($some_var) ? echo 'true' : echo 'false';
// However, the following examples will work:
($some_var) ? print 'true' : print 'false'; // print is also a construct, but
// it behaves like a function, so
// it may be used in this context.
echo $some_var ? 'true': 'false'; // changing the statement around
?>
NOTES
Note
Because this is a language construct and not a function, it cannot be called using variable functions.
SEE ALSO print(3), printf(3), flush(3), Heredoc syntax.
PHP Documentation Group ECHO(3)