Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: Read same file simultaneously with two different programs
Top Forums UNIX for Dummies Questions & Answers Read same file simultaneously with two different programs Post 302772778 by torchij on Tuesday 26th of February 2013 08:28:06 PM
Old 02-26-2013
Thank you so much for your very clear reply! That was very helpful.
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

log file of programs

if i have a program (example admintool), if i want to keep a log of what i did in admintool, can i do this admintool > admintool_log. i have tried but the system just waits there.... then i did a kill and see the file. the file has the main menu screen... basically, i want to keep a log... (3 Replies)
Discussion started by: yls177
3 Replies

2. Shell Programming and Scripting

Config file use in Shell Programs...

I wanted to know the format everyone uses for cfg files that are called by shell programs. I do mostly sh and ksh scripts and many times I'm modifying an existing script to do another task. Recently I have been making my scripts more generic and using configuration files to hold uniq details.... (3 Replies)
Discussion started by: tomas
3 Replies

3. Shell Programming and Scripting

Multiple processes writing on the same file simultaneously

Hi All, I have encountered a problem,please help me. I have a script in which multiple processes are writing on to the same file . How should I stop this , I mean lock mechanism can be implemented or we can write the at different files and then concatenate the files. What would be a better... (1 Reply)
Discussion started by: Sayantan
1 Replies

4. UNIX for Dummies Questions & Answers

how to call two programs simultaneously

Hi, i want to call two programs simultaneously from a currently running program so as to distribute the job and fasten the speed. As of now I call the programs one after the other within the main program. e.g. `perl A.pl`; `perl B.pl`; how can I run the two paralelly? urgent ... please... (1 Reply)
Discussion started by: vipinccmb
1 Replies

5. UNIX for Dummies Questions & Answers

What programs access shared library file

I was curious how to tell which programs are accessing a file (libobjc.A.dylib) in /usr/lib This file seems to be the culprit in a bunch of Safari crashes, and I just wanted to know if and what other programs use it. Also, I was curious what a good way to find out what files are being written... (4 Replies)
Discussion started by: glev2005
4 Replies

6. UNIX for Dummies Questions & Answers

Are programs like sys_open( ) ,sys_read( ) et al examples of system level programs ?

Are the programs written on schedulers ,thread library , process management, memory management, et al called systems programs ? How are they different from the programs that implement functions like open() , printf() , scanf() , read() .. they have a prefix sys_open, sys_close, sys_read etc , right... (1 Reply)
Discussion started by: vishwamitra
1 Replies

7. Programming

Run two CGIs simultaneously and Ajax to read updated value from CGI1

Flow of program: C based CGI is used CGI1: -Gets called when user hits upload button(submit) ie form action = CGI1 -Does the file upload (copy to a directory etc) JS, Ajax fucntion: -A JS function is called when user hits upload button -The JS function opens an Ajax request for CGI2... (8 Replies)
Discussion started by: xs2punit
8 Replies

8. Shell Programming and Scripting

Redirect an output from a script to a file and display it at a console simultaneously

Hi, I'd like to redirect the STDOUT output from my script to a file and simultaneously display it at a console. I've tried this command: myscript.sh | tail -f However, it doesn't end after the script finishes running I've also tried this: myscript.sh | tee ~/results.txt But it writes... (3 Replies)
Discussion started by: wenclu
3 Replies

9. UNIX for Dummies Questions & Answers

Difference between inbuilt suid programs and user defined root suid programs under bash shell?

Hey guys, Suppose i run passwd via bash shell. It is a suid program, which temporarily runs as root(owner) and modifies the user entries. However, when i write a C file and give 4755 permission and root ownership to the 'a.out' file , it doesn't run as root in bash shell. I verified this by... (2 Replies)
Discussion started by: syncmaster
2 Replies

10. Shell Programming and Scripting

Ksh: How to write the log file simultaneously when .sql file executes by UNIX process

Hello Team- we would like to implement an approach which has to write the log file simultaneously when .sql file is executing by Unix process. At present,it is writing the log file once the process is completed. I've tested the current process with the below approaches and none of them... (1 Reply)
Discussion started by: Hima_B
1 Replies

LEARN ABOUT MOJAVE

cacoshf

CACOSH(3)						   BSD Library Functions Manual 						 CACOSH(3)

NAME

     cacosh -- complex inverse hyperbolic cosine function

SYNOPSIS

     double complex
     cacosh(double complex z);

     long double complex
     cacoshl(long double complex z);

     float complex
     cacoshf(float complex z);

DESCRIPTION

     cacosh(z) computes the inverse hyperbolic cosine of the complex floating-point number z, with a branch cut on the interval [-inf, 1] along
     the real axis.

     cacosh() returns values in a half-strip of the complex plane with positive real part and imaginary part in the interval [-Pi, Pi].

     For all complex floating point numbers z, cacosh(conj(z)) = conj(cacosh(z)).

SPECIAL VALUES

     The conjugate symmetry of cacosh() is used to abbreviate the specification of special values.

     cacosh(+-0 + 0i) returns 0 + Pi/2 i.

     cacosh(x + inf i) returns inf + Pi/2 i, for finite x.

     cacosh(x + NaN i) returns NaN + NaN i, for finite nonzero x.

     cacosh(-inf + yi) returns inf + Pi i, for finite positive-signed y.

     cacosh(inf + yi) returns inf + 0i, for finite positive-signed y.

     cacosh(-inf + inf i) returns inf + 3Pi/4 i.

     cacosh(inf + inf i) returns inf + Pi/4 i.

     cacosh(+-inf + NaN i) returns inf + NaN i.

     cacosh(NaN + yi) returns NaN + NaN i, for finite y.

     cacosh(NaN + inf i) returns inf + NaN i.

     cacosh(NaN + NaN i) returns NaN + NaN i.

NOTES

SEE ALSO

     ccosh(3) complex(3)

STANDARDS

     The cacosh() function conforms to ISO/IEC 9899:2011.

4th Berkeley Distribution					 December 11, 2006					 4th Berkeley Distribution
All times are GMT -4. The time now is 02:05 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy