I have to merge two files:
The files are having the same format like
A0this is first line
TOlast line
silmilarly other lines.
I have to search for A0 line in the second file also and then put the data in the third file under A0 heading ,then for A1 and so on.
A0 portion will be treminated... (1 Reply)
Hi,
I have two files consisting of two columns. So I want to merge column 2 if column 1 is the same. So heres an example of what I mean.
FILE1
driver 444
car 333
hat 222
FILE2
driver 333
car 666
hat 999
So I want to merge the column 2's together so... (4 Replies)
Hi,
I have a file f1 having the contents as below
select (<condn>) from dual
I have another file f2 having the contents as below
1,
2,
3
I want to replace <condn> in f1 with the contents of f2
I tried using sed like this
sed "s:<condn>:`cat f2`:g" f1
The above command resulted in sed:... (3 Replies)
Hi All,
I do have 2 files
file 1 has 4 tab delimited columns
234 a c dfgyu
294 b g fih
302 c h jzh
328 z c san
597 f g son
File 2 has 2 tab delimted columns
234 23
302 24
597 24
I want to merge file 2 with file 1 based on the data common in both files which is the first column so... (6 Replies)
Hi there,
I'm trying to merge two files and make a third file.
However, two of the columns need to match exactly in both files AND I want everything from both files in the output if the two columns match in that row.
First file looks like this:
chr1 10001980 T A
Second... (12 Replies)
I had two files file1 and file2. I want a o/p file(file3) like below using first column as ref. Pls give suggestion ass join is not working as the number of lines in each file is nealry 5 C?
file1
---------------------
404000324810001 Y
404000324810004 N
404000324810008 Y
404000324810009 N... (1 Reply)
I have two files of the type
111 222 10
112 223 20
113 224 30
114 225 20
and
111 222 9
444 555 8
113 224 32
666 777 25
I want to merge files based on 1 and 2nd column. if 1st and 2nd column are unique in file 1 and 2 keep... (3 Replies)
Hi All,
I have two below files(fileds separated by space).
File1
001078401 A 5A1
001078401 B 085
001030035 A 5A1
001030035 B 085
File2
001078401 C 001
001078401 D 065
001030035 C 001
001030035 D 065... (6 Replies)
Hi,
I am facing issues while accomplishing below task.
We have two files Test1.txt and Test2.txt. We have to match 1st column of Test1.txt file with 2nd column of Test2.txt and then merge 2nd file with the 1st file. In the output we should select column 1 and 2 from the 1st file and column 1... (5 Replies)
Discussion started by: Prathmesh
5 Replies
LEARN ABOUT PHP
is_writable
IS_WRITABLE(3) 1 IS_WRITABLE(3)is_writable - Tells whether the filename is writableSYNOPSIS
bool is_writable (string $filename)
DESCRIPTION
Returns TRUE if the $filename exists and is writable. The filename argument may be a directory name allowing you to check if a directory
is writable.
Keep in mind that PHP may be accessing the file as the user id that the web server runs as (often 'nobody'). Safe mode limitations are not
taken into account.
PARAMETERS
o $filename
- The filename being checked.
RETURN VALUES
Returns TRUE if the $filename exists and is writable.
EXAMPLES
Example #1
is_writable(3) example
<?php
$filename = 'test.txt';
if (is_writable($filename)) {
echo 'The file is writable';
} else {
echo 'The file is not writable';
}
?>
ERRORS /EXCEPTIONS
Upon failure, an E_WARNING is emitted.
NOTES
Note
The results of this function are cached. See clearstatcache(3) for more details.
Tip
As of PHP 5.0.0, this function can also be used with some URL wrappers. Refer to "Supported Protocols and Wrappers" to determine
which wrappers support stat(3) family of functionality.
SEE ALSO is_readable(3), file_exists(3), fwrite(3).
PHP Documentation Group IS_WRITABLE(3)