Hi,
I am trying to filter the words from a file which contain 'abc'. But I am unable to. Could any one help me.
For eg: The file contents are
123ab 12hnj1 123abc456 123cgbcahjkf23 23134abchfhj43 gc32abc abc1 2abc3 sd uiguif fhwe 21242 uh123 jkcas124d123 u3hdbh23u ffsd8
Output... (3 Replies)
Hello All,
I am new to UNIX, how do i get the First letter of each Word from a line in shell scripting.
For Example
line = "The Jack In The Box"
I want to reterive The letters T for The, J from Jack, I from In, T from The and B from Box.
and store in another string.
Can anyone... (5 Replies)
hi,
if i have a string of letters and seperatly i have a single letter. how do i check whether that specific letter is in my string aswell? any ideas? (2 Replies)
Hi All,
I am new to UNIX and i am trying to write a script.My requirement is that from the following logs i need to get the following outputs:
abc_lifecycle.log
bcde_enjoy.log
abc_twinkle.log
Output expecting:
lifecycle
enjoy
twinkle
Could you please help me in getting this? (9 Replies)
Hi all,
I want to set the last 4 letter in the filename as a variable.
For example, i have AB1234.txt file and i need to have last 4 letter as a variable.
It should be like ;
get last four letter
set var = 1234
How can i write this in C shell??
Thanks,
zibi (3 Replies)
Hi guys,
I have a file separated by ",". I´m trying to change to upper case the first letter of each word in column 2 to establish a standard format on this column.
I hope somebody could help me to complete the SED or AWK script below.
The file looks like this:
(Some lines in column 2... (16 Replies)
Hi to all in forum,
I'm trying to convert the letter number between 1 (A) and 26 (Z), that part is working, my issue is how to assign the printf output to a variable:LetterNumber=10
printf "\x$(printf %x $((${LetterNumber}+64)))"
$ J
#The problem, how to assign printf output (J in this... (8 Replies)
The title pretty much defines the problem. I have text files that are all in caps. I would like to convert them to lowercase, but have the first letter of the first word in each sentence in uppercase.
I already have SED on the server for fixing / tweaking text files, but I'm open to other... (5 Replies)
I need to pass letter like "c" for "-copy" and need to read by variable $sel_mod, My I know the good way of writing the script.
Example:
Select one of the Clone Mode ( '-copy', '-differential', '-precopy', '-nopcopy')
Type the Clone mode : c
Thanks in advance,
Ashan
... (6 Replies)
I have an assignment and I am not sure what to do.
In Unix, I use PuTTY
change the semicolon (;) to a period, and capitalize the first letter of the word immediately after it.
I know change command is M-% and "." so only one semicolon is changed but I am not sure how to... (1 Reply)
Discussion started by: kathrut43
1 Replies
LEARN ABOUT PHP
eval
EVAL(3) 1 EVAL(3)eval - Evaluate a string as PHP codeSYNOPSIS
mixed eval (string $code)
DESCRIPTION
Evaluates the given $code as PHP.
Caution
The eval(3) language construct is very dangerous because it allows execution of arbitrary PHP code. Its use thus is discouraged.
If you have carefully verified that there is no other option than to use this construct, pay special attention not to pass any user
provided data into it without properly validating it beforehand.
PARAMETERS
o $code
- Valid PHP code to be evaluated. The code mustn't be wrapped in opening and closing PHP tags, i.e. 'echo "Hi!";' must be passed
instead of '<? echo "Hi!"; >'. It is still possible to leave and reenter PHP mode though using the appropriate PHP tags, e.g.
'echo "In PHP mode!"; ?>In HTML mode!<? echo "Back in PHP mode!";'. Apart from that the passed code must be valid PHP. This
includes that all statements must be properly terminated using a semicolon. 'echo "Hi!"' for example will cause a parse error,
whereas 'echo "Hi!";' will work. A return statement will immediately terminate the evaluation of the code. The code will be exe-
cuted in the scope of the code calling eval(3). Thus any variables defined or changed in the eval(3) call will remain visible
after it terminates.
RETURN VALUES eval(3) returns NULL unless return is called in the evaluated code, in which case the value passed to return is returned. If there is a
parse error in the evaluated code, eval(3) returns FALSE and execution of the following code continues normally. It is not possible to
catch a parse error in eval(3) using set_error_handler(3).
EXAMPLES
Example #1
eval(3) example - simple text merge
<?php
$string = 'cup';
$name = 'coffee';
$str = 'This is a $string with my $name in it.';
echo $str. "
";
eval("$str = "$str";");
echo $str. "
";
?>
The above example will output:
This is a $string with my $name in it.
This is a cup with my coffee in it.
NOTES
Note
Because this is a language construct and not a function, it cannot be called using variable functions.
Tip
As with anything that outputs its result directly to the browser, the output-control functions can be used to capture the output of
this function, and save it in a string (for example).
Note
In case of a fatal error in the evaluated code, the whole script exits.
SEE ALSO call_user_func(3).
PHP Documentation Group EVAL(3)