Is `mv dir dir2` atomic ? Post: 302170901

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

a script to clone a dir tree, & overwrite the dir struct elsewhere?

hi all, i'm looking for a bash or tcsh script that will clone an empty dir tree 'over' another tree ... specifically, i'd like to: (1) specify a src directory (2) list the directory tree/hiearchy beneath that src dir, w/o files -- just the dirs (3) clone that same, empty dir hierarchy to...

2. Programming

Atomic lock file creation

Hello, I need to implement a locking system in C. My problem is how to make the check if the lock file exist and locking it atomic operation. I want to make something like this: FILE* lock_fname; lock_fname = fopen ( "file.lock", "r"); /*check if file exsists*/ if (lock_fname) { fclose...

3. UNIX and Linux Applications

CPIO Problem, copy to the root dir / instead of current dir

HI all, I got a CPIO archive that contains a unix filesystem that I try to extract, but it extract to the root dir / unstead of current dir, and happily it detects my file are newer otherwise it would have overwrited my system's file! I tried all these commands cpio -i --make-directories <...

4. Shell Programming and Scripting

A script to find dir, delete files in, and then del dir?

Hello!! I have directories from 2008, with files in them. I want to create a script that will find the directoried from 2008 (example directory: drwxr-xr-x 2 isplan users 1024 Nov 21 2008 FILES_112108), delete the files within those directories and then delete the directories...

5. UNIX for Dummies Questions & Answers

How to list all files in dir and sub-dir's recursively along with file size?

I am very new to unix as well as shell scripting. I have to write a script for the following requirement. In have to list all the files in directory and its sub directories along with file path and size of the file Please help me in this regard and many thanks in advance.

6. UNIX for Dummies Questions & Answers

system calls and atomic operation

Are system calls atomic operations? Is a system call can be interrupted?

7. Shell Programming and Scripting

KSH - Find paths of multiple files in CC (dir and sub-dir))

Dear Members, I have a list of xml files like abc.xml.table prq.xml.table ... .. . in a txt file. Now I have to search the file(s) in all directories and sub-directories and print the full path of file in a output txt file. Please help me with the script or command to do so. ...

8. Linux

Atomic Operations

Hello I am a newbie in linux. Please tell me what are atomic operations in Linux. IS i++ a atomic oparation?? Please help..

9. AIX

Assign read write permission to the user for specific dir and it's sub dir and files in AIX

I have searched this quite a long time but couldn't find the right method for me to use. I need to assign read write permission to the user for specific directories and it's sub directories and files. I do not want to use ACL. I do not want to assign user the same group of that directories too....

LEARN ABOUT NETBSD

ccosf

CCOS(3P)						     POSIX Programmer's Manual							  CCOS(3P)

NAME

       ccos, ccosf - complex cosine functions

SYNOPSIS

       #include <complex.h>

       double complex ccos(double complex z);
       float complex ccosf(float complex z);

DESCRIPTION

       These functions compute the complex cosine of z.

RETURN VALUE

       These functions return the complex cosine value.

ERRORS

       No errors are defined.

       The following sections are informative.

EXAMPLES

       None.

APPLICATION USAGE

       None.

RATIONALE

       None.

FUTURE DIRECTIONS

       None.

SEE ALSO

       cacos(), the Base Definitions volume of IEEE Std 1003.1-2001, <complex.h>

COPYRIGHT

       Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technol-
       ogy -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
       Electrical  and	Electronics  Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE
       and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can  be  obtained
       online at http://www.opengroup.org/unix/online.html .

IEEE
/The Open Group						       2003								  CCOS(3P)