I've installed Python 3.3.2 in Windows machine, but when was trying to test some
simply codes to introduce me myself, even to get the current path I got an syntax error, I'm not sure why.
Hi all,
Does anybody know or guide me on how to remove the first N bytes and the last N bytes from a binary file? Is there any AWK or SED or any command that I can use to achieve this?
Your help is greatly appreciated!!
Best Regards,
Naveen. (1 Reply)
Hello,
I have come across the necessity for me to deal with binary sequences and I had a few questions.
1- Does any UNIX scripting language provide any tool or command for converting text data to binary sequences? Example of binary sequence: "0x97 0x93 0x85 0x40 0xd5 0xd6 0xd7"
2- If I want... (2 Replies)
Hi,
I have an one-line file consisting of a sequence of 660 letters. I would like to extract 9-letter blocks iteratively:
ASDFGHJKLQWERTYUIOPZXCVBNM
first block: ASDFGHJKL
1nd block: SDFGHJKLQ
What I have so far only gives me the first block, can anyone please explain why?
cat... (7 Replies)
Hi,
This is part of a large text file I need to separate out.
I'd like some help to build a shell script that will extract the text between sets of dashed lines, write that to a new file using the whole or part of the first text string as the new file name, then move on to the next one and... (7 Replies)
The title is clear: why does ext3 allocate 8 blocks for files that are few bytes long?
If I create a file named "test", put a few chars in it, and then I run:
stat test
I get that "Blocks: 8"
I searched in the web and found that ext does that, it allocates 8 blocks even if It doesn't need... (4 Replies)
Hello guys. I really hope someone will help me with this one..
So, I have to write this script who:
- creates a file home/student/vmdisk of 10 mb
- formats that file to ext3
- mounts that partition to /mnt/partition
- creates a file /mnt/partition/data. In this file, there will... (1 Reply)
Hi,
I have a file with more than 28000 records and it looks like below..
>mm10_refflat_ABCD range=chr1:1234567-2345678
tgtgcacactacacatgactagtacatgactagac....so on
>mm10_refflat_BCD range=chr1:3234567-4545678...
tgtgcacactacacatgactagtatgtgcacactacacatgactagta
.
.
.
.
.
so on
... (2 Replies)
I have a fastq file from small RNA sequencing with sequence lengths between 15 - 30. I wanted to filter sequence lengths between 21-25 and write to another fastq file. how can i do that? (4 Replies)
I have a text file, input.fasta contains some protein sequences. input.fasta is shown below.
>P02649
MKVLWAALLVTFLAGCQAKVEQAVETEPEPELRQQTEWQSGQRWELALGRFWDYLRWVQT
LSEQVQEELLSSQVTQELRALMDETMKELKAYKSELEEQLTPVAEETRARLSKELQAAQA
RLGADMEDVCGRLVQYRGEVQAMLGQSTEELRVRLASHLRKLRKRLLRDADDLQKRLAVY... (8 Replies)
I sat down yesterday to write this script and have just realised that my methodology is broken........
In essense I have.....
----------------------------------------------------------------- (This line really is in the file)
Service ID: 12345 ... (7 Replies)
Discussion started by: Bashingaway
7 Replies
LEARN ABOUT PHP
socket_send
SOCKET_SEND(3) 1 SOCKET_SEND(3)socket_send - Sends data to a connected socketSYNOPSIS
int socket_send (resource $socket, string $buf, int $len, int $flags)
DESCRIPTION
The function socket_send(3) sends $len bytes to the socket $socket from $buf.
PARAMETERS
o $socket
- A valid socket resource created with socket_create(3) or socket_accept(3).
o $buf
- A buffer containing the data that will be sent to the remote host.
o $len
- The number of bytes that will be sent to the remote host from $buf.
o $flags
- The value of $flags can be any combination of the following flags, joined with the binary OR ( |) operator.
Possible values for $flags
+--------------+---------------------------------------------------+
| | |
| MSG_OOB | |
| | |
| | Send OOB (out-of-band) data. |
| | |
| | |
| MSG_EOR | |
| | |
| | Indicate a record mark. The sent data completes |
| | the record. |
| | |
| | |
| MSG_EOF | |
| | |
| | Close the sender side of the socket and include |
| | an appropriate notification of this at the end of |
| | the sent data. The sent data completes the trans- |
| | action. |
| | |
| | |
|MSG_DONTROUTE | |
| | |
| | Bypass routing, use direct interface. |
| | |
+--------------+---------------------------------------------------+
RETURN VALUES socket_send(3) returns the number of bytes sent, or FALSE on error.
SEE ALSO socket_sendto(3).
PHP Documentation Group SOCKET_SEND(3)