Here is what I did . . . . I FTP'd several *.pdf files from a web site to a UNIX server, and did not set the transfer mode to BIN, now Adobe thinks that the documents are corrupted. Is there a way to convert the *.pdf files to Binary so that Adobe can open them again. I would just re-download... (2 Replies)
Dear Experts
I need to read a binary file. I know for example in byte number 3801-3804 there is a 4 byte number embeded. Is there a way to extract this number from this file and then convert it to ascii via unix??
Your help would be highly appreciated.
Very Best Regards
Reza (5 Replies)
i hav tried to convert binary 2D data into text using binreader and writing into text file using streamwriter.
i use ReadSingle() function to convert from binary to ascii, although it works good in 1D data but not in more dimensions.
the kind of values i get are
-1.265369923E+038
and like
... (2 Replies)
Hi all,
I have a binary file (orig.dat) and two special delimiter strings 'AAA' and 'BBB'. My binary file's content is as follow:
<Data1.1>AAA<Data1.2>BBB
<Data2.1>AAA<Data2.2>BBB
...
<DataN.1>AAA<DataN.2>BBB
DataX.Y might have any length, and contains any kind of special/printable... (1 Reply)
Hello!
Everytime when a specific binaryfile grows (in 4 byte steps) I want to get the newest 2 bytes immediately when they occur. That can be done by
tail -f binfile but I need the bytes in hex format. Therefore I use hexdump
tail -f binfile | hexdump -xwhat only prints out complete lines of... (6 Replies)
Hello!
Have some problem with extract files from saved session.
File contains any kind of special/printable characters.
DATA NumberA DATA
DATA Begin
DATA1.1
DATA1.2 NumberB1 DATA1.3
DATA1.4
End DATA
DATA
DATA Begin
DATA2.1
DATA2.2 NumberB2 DATA2.3
DATA2.4
End DATA
DATA
... (4 Replies)
Hi
I need to display the binary text of an clearn text which is sent as input to the shell script (c shell);
ex: I will pass "HELLO" as input, and i should get the binary format of the text
Thanks in advance
Mohan (1 Reply)
Hello *nix specialists,
Im working for a non profit organisation in Germany to transport DSL over WLAN to people in areas without no DSL. We are using Linksys WRT 54 router with DD-WRT firmware There are at the moment over 180 router running but we have to change some settings next time. So my... (7 Replies)
I have a huge files in binary format
thanks to help me in finding a way to convert these files from Binary format to ASCII format. (0 Replies)
Discussion started by: PRINCESS_RORO
0 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)