I'm not sure that I understand correctly what you're asking, but I think you are assigning a value that start with $ to a variable and want that value output. You will need to escape the character as \$value.
Here is an example:
One other thing I am showing here is how to dereference a variable reference with eval.
I hope this gives you an idea to solve your question.
Hi all,
In unix shell, I want to get two strings ending with "." and starting with "." from a string "chan.txt"
For example, a string "chan.txt".
The first string is "chan"
The second string is "txt"
Yours
Wilson (1 Reply)
Hi,
For my bash script, terminal with bash is generate an OK output and program works right.
already,
terminal with ash have "line 48: syntax error: Bad substitution" output and program don't work.
:confused: (0 Replies)
Hi All,
I'm trying to write a ksh script to parse a file. When the "\" character is encountered, it should be removed and the next line should be concatenated with the current line. For example...
this is a test
line #1\
should be concatenated with line #2\
and line number 3
when this... (3 Replies)
Server: IBM p770
OS: AIX 6.1 TL5 SP1
When one of our develoeprs types "bash" on the command line to switch shells, it hangs. For some reason, two bash processes are created....the first bash process spawns a second bash process in the same console, causing a hang. Anyone have any idea what... (2 Replies)
Hello All,
I have an Expect script that ssh's to a remote server and runs some commands before exiting.
One of the commands I run is the "hostname" Command. After I run this command I save the output
using this line in the code below...
Basically it executes the hostname command, then I... (2 Replies)
Discussion started by: mrm5102
2 Replies
6. Post Here to Contact Site Administrators and Moderators
Majority of the questions are pertaining file/string parsing w.r.t
sed
or
awk
It would be nice to have these two as their own sub category under shell-programming-scripting which can avoid lot of duplicate posts. (1 Reply)
Hi all.
I have a .txt file that I need to sort it
My file is like:
1- 88 chain0 MASTER (FF-TE) FFFF 1962510 /TCK T FD2TQHVTT1 /jtagc/jtag_instreg/updateinstr_reg_1 dff1 (TI,SO)
2- ... (10 Replies)
Hi All,
I'm completely new to bash scripting and still learning my way through albeit vey slowly.
I need to know where to insert my server names', my ip address numbers through out the script alas to no avail.
I'm also searching on how to save .sh (bash shell) script properly.... (25 Replies)
Hello.
System : opensuse leap 42.3
I have a bash script that build a text file.
I would like the last command doing :
print_cmd -o page-left=43 -o page-right=22 -o page-top=28 -o page-bottom=43 -o font=LatinModernMono12:regular:9 some_file.txt
where :
print_cmd ::= some printing... (1 Reply)
Discussion started by: jcdole
1 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)