@apmcd74:
Please notice that when you define a variable with:
you create an array, not a string. The parameter expansion ${cname/searchword/replacement} deals with strings though. i.e.
bakunin
My point was that you can do string manipulation per element, or for all elements in an array of strings, thus:
As I said, this works for bash and ksh93 on my Ubuntu systems; I haven't tried it out on ksh88.
Andrew
These 2 Users Gave Thanks to apmcd47 For This Post:
I have a variable which consists of a string like this:
001 aaabc 44 a bbb12
How do I extract each substring, delimited by the spaces, into new variables - one for each substring?
eg var1 will be 001, var2 will be aaabc, var3 will be 44, var4 will be a, etc?
I've come up with this:... (2 Replies)
Hello,
I am an intermediate scripter. I can usually find and adapt what I need by searching through previous postings, but I'm stumped.
I have a string with the format "{Name1 Release1 Type1 Parent1} {Name2 Release2 Type2 Parent2}". It is being passed as an argument into a ksh script. I need to... (5 Replies)
I have a UNIX shell where:
LEVEL=dev
SITE=here
and WHEREIAM=/tmp/$SITE/location/$LEVEL
I want to echo $WHEREIAM in such a way that I get it back with all the environment variables resolved (/tmp/here/location/dev).
This command will be used in a shell script. (5 Replies)
Hi all,
I'm trying to extract the name of a script that is being run with a full path. i.e.
if the script name is /some/where/path/script_name.ksh
I'd like to extract only: script_name
i know that it is possible to do so in two phases:
echo "${0##*/}" will give me script_name.ksh
and... (4 Replies)
In a bash script I've set a variable that is the directory name of where an executable lives.
the_dir=`dirname $which myscript`
which equates to something like "/path/to/dir/bin"
I need to cut that down to remove the "bin" so I now have "/path/to/dir/".
This sounds easy but as a... (2 Replies)
Hello,
I have a paramter $param consisting just of two literals and want to split it into two parameters, so I can combine it to a new parameter <char1><string><char2>, but the following code didn't work:
tmp_PARAM_1=cut -c1 $PARAM
tmp_PARAM_2=cut -c2 $PARAM... (2 Replies)
Hi All,
I am facing a problem and I am not able to solve it.
I have already searched google, but nothing (maybe I am not using the correct key words).
As a database query result, I have a file like below:
fmv:/home/fmv/tmp>cat TestBackRef.txt
/^TEST\(\{4\}\)X\{12\}Y\.txt$/\0#\1/#Test... (2 Replies)
Hi,
I need to convert string "(joe.smith" into "joe_smith"
i.e. I need to remove the leading opening brace '(' and replace the dot '.' with an under score '_'
can anyone suggest a one liner ksh script or unix command for this please (3 Replies)
Hi all,
I have used a bash script which ultimately converts a string into date using date --date option:
DATE=$DATE" "$TIME" "`date +%Y` //concatenating 2 strings
TMRW_DATE=`date --date="$DATE" +"%s"` //applying date command on string and getting the unixtime
Please use code tags... (7 Replies)
Hi, I have a variable with grep output like this:
WORDS=$(grep -r -c -i -E "palindrom" /"$DIRECTORY"/)
so "echo "$WORDS"" could be:
//directory/file1.txt:0
//directory/file2.txt:0
//directory/file3.txt:3
//directory/file4.txt:1
//directory/file5.txt:0
I need to "sed" my variable... (3 Replies)
Discussion started by: Hornys
3 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)