How To Read a File and Assign the line values to an Array?
i have this basic code that i wrote to read a file and place it's values to an array. the source/input file will have multiple strings on it that is separated by a whitespace.
i need to seperate values seperated by delimiters and assign it to an array.. can u plz help me on that.
Variables = "asd,rgbh,(,rty,got,),sroe,9034,"
i need to assign the variables into arrays..
like..
var=asd
var=rgbh.. and so on
how do i do this. i need to reuse the values stored in... (6 Replies)
Hello,
I have a cat.dat file, i would like shell to read each 3 lines and set this 3 lines to 3 different variables.
my cat.dat is:
11
12
+380486461001
12
13
+380486461002
13
14
+380486461003
i want shell to make a loop and assign 1st line to student_id, 2nd line to... (4 Replies)
i have a file in this format
curyymm PRVYYMM CDDMmmYY bddMmmyy eddMmmyy
--------- ------- ------------ ---------- -----------
0906 0905 09Jun09 01Jun09 30Jun09
----------- --------- ------------ ------------ -----------
i need to read the... (5 Replies)
I have a csv file with the values seperated by commas.I want to extract these values one by one and assign to a variable using shell script.Any ideas or code? (11 Replies)
Hi,
I have a text file with multiple lines, each having data in the below format
<DOB>,<ADDRESS>
I have to write a script which reads each line in the text file in loop, assign the values to these variables and do some further processing in it.
Using the following code prints the... (1 Reply)
Hi,
I have a text file with multiple lines, each having data in the below format <DOB>,<ADDRESS>
I have to write a script which reads each line in the text file in loop, assign the values to these variables and do some further processing in it.
Using the following code prints the values... (12 Replies)
Hi,
I have requirement to assign values to variables which are created dynamically.
Below is the code which i am using to achieve above requirement.
#!/bin/ksh
oIFS="$IFS"; IFS=','
STR_FAIL_PARENT_IF_FAILS="WF_F_P_IF_FAILS1,WF_F_P_IF_FAILS2,WF_F_P_IF_FAILS3"
set -A... (1 Reply)
For eg: I have sample.txt file with 4 rows of record like:
user1|password1
user2|password2
user3|password3
user4|password4
The username and password is sepsrated by '|'
I want to get the 1st row value from the file and assign it to two different variables(username and password)
in my... (1 Reply)
I have a file containing multiple values, some of them are pipe separated which are to be read as separate values and some of them are single value all are these need to store in variables.
I need to read this file which is an input to my script
Config.txt
file name, first path, second... (7 Replies)
Hello,
I am using below code for reading from a file and assigning the values to a variable , but it is loosing the value after the loop , please suggest to retain the value of the variable after the loop ,
while IFS=: read -r line
do
set $dsc=$line
echo 'printing line variable ' $line... (1 Reply)
Discussion started by: ParthThakkar
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)