1. Programming

Hi, Can any one please help me with this. Am struggling hard to get a solution. I am doing telnet through a C program and getting the stdout file descriptor of the remote machine to pipe. read() function is getting data, But whenl it receives SOH character ie. ^A ( Start of heading = Console... (2 Replies)

2. Programming

I know how to read and write if i have a forked process with only one child. However what is involved with reading and writing with many forked processes. Say one parent that forks 5 children, and needs to communicate with all 5 in half duplex. int temp, counter=0; do{ pipe(temp); ... (5 Replies)

3. UNIX for Advanced & Expert Users

I have the following code which works on AIX 4.3 but fails at times on AIX 5.3 with: cat: 0652-054 cannot write to output. There is no process to read data written to a pipe. validator="${validator_exe} ${validator_parms}" cmd_line="${CAT} ${data_file} | ${validator}... (6 Replies)

4. AIX

Hi Everyone, The machine I'm working on is an AIX 5.3 LPAR running on a P650. oslevel -r shows 5300-08. I'm trying to take a backup to a SCSI tape drive, which has been working up until this point. I know of nothing that has changed recently to cause this problem. But when I try to take a... (0 Replies)

5. Shell Programming and Scripting

I have a perl program that I want to read from a file passed as an argument or from a pipe. If their is no pipe or arguments, I want it to output a help message. I am stuck on how to prevent perl from reading from the keyboard if it isn't fed any file names or data from a pipe. The only things I... (4 Replies)

6. UNIX for Dummies Questions & Answers

We use SAP application cluster on AIX. Communication between 2 of its instances is failing randomly with the following error: java.net.SocketException: There is no process to read data written to a pipe. The above error causes a cluster restart if an important communication fails. Can... (0 Replies)

7. Shell Programming and Scripting

I have a file data_1.out which contains: 1|abc mail|mail subject|mail body 2|def mail|mail subject|def mail body I am trying to read the variables from data_1.out and use them to print to 2 different files based on the id (first_column) The problem is I am not able to read the file... (8 Replies)

8. Shell Programming and Scripting

Hello, I need to read the pipe data as:- cat abc.txt | uuencode abc.txt | mailx -s hi xyz@xyz.com I will override the mailx function so that when mailx is called, it calls my version of maix and in that function I want to read the file which is attached in progional mailx function- abc.txt... (7 Replies)

9. Shell Programming and Scripting

Hello, I have an ffmpeg bash script which is working nice and I need to do the same for other sources. To create new scripts and to deal with multiple bash files sounds not logical. It is a bit hard to manage for me.. I wondered if it was possible to make my input file as variable. Then I... (1 Reply)

10. UNIX for Beginners Questions & Answers

Hi All, I'm creating a program which reads millions of bytes from the PIPE and do some processing. As the data is more, the idea is to read the pipe parallely. Sun Solaris 8 See the code below: #!/bin/sh MAXTHREAD=30 awk '{print $1}' metadata.csv > nvpipe & while do ... (3 Replies)