Open file function Post: 302905329

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

function to test if file is open

I need to write a function that will work in sh/ksh shell that will test to see if a file has already been opened for writting by another user has anyone written something like this?

2. UNIX and Linux Applications

Sybase help: Open client, bcp function

To begin: I use Linux The Problem: I need bcp functionality for scripts. Perl modules, such as Sybase:xfer, require ctlib which comes with Sybase Open Client. Talking with Sybase sales reps is an exercise in futility and hate. They know absolutely nothing about their own products and will...

3. Programming

Some how the open(file,flag, acc) returns 0 and write to the screen, instead of the file ???

I am out of idea what to do to resolve the problem! I need to use the open(file, for.., access) function to write a file. Never have the situation like that: it is return 0 - zero. As a result all write(..) going to the screen! What the problem it could be? I do not even know...

4. Programming

Open function of sys/stat.h

If a process already has the entire file locked for read and write using newstruct.l_type = F_WRLCK; what would happen if another process would try to open it in read only mode using open(filename, O_RDONLY); ? I want to check if the file exists and I want it to work even if another process has...

5. Red Hat

cannot set user id: Resource temporarily unavailable (not open file/open process related)

First post, sorry to be a bother but this one has been dogging me. I have a process user (java application server) that trips a resource limit every couple weeks and need help finding what limit we're hitting. First, this is what's running: This is the error when jobs are run or the...

6. Solaris

Before I delete any file in Unix, How can I check no open file handle is pointing to that file?

I know how to check if any file has a unix process using a file by looking at 'lsof <fullpath/filename>' command. I think using lsof is very expensive. Also to make it accurate we need to inlcude fullpath of the file. Is there another command that can tell if a file has a truely active...

7. Shell Programming and Scripting

Newbie.. Find if a file exists and open, if not create the desired file..

Hey all, I'm brand new to script writing, I'm wanting to make a script that will ask for a file and then retrieve that file if it exists, and if it doesn't exist, create the file with the desired name, and I'm completely stuck.. so far.. #! bin/bash echo "Enter desired file" read "$file" if ...

8. Shell Programming and Scripting

Help !! perl open function

Help Please perl Gurus, I am trying to add ungrouped passengers in a group and I creating a script however it fails on first step only I tried all the options it returns following error. syntax error at junki line 4, near "open " Execution of junki aborted due to compilation errors. ...

9. Programming

Function open() sets errno

I am opening a text file using open() system call in O_RDONLY mode. open() returns me a valid handler but also sets errno to 13 i.e. EACCES(Permission denied). Question is when open() is returning a valid handler then why does it sets the errno? Should not errno be set only in case of error...

10. Shell Programming and Scripting

Help to Modify File Name in each function before calling another function.

I have a script which does gunzip, zip and untar. Input to the script is file name and file directory (where file is located) I am reading the input parameters as follows: FILENAME=$1 FILEDIR=$2 I have created 3 functions that are as follows: 1) gunzip file 2) unzip file...

LEARN ABOUT SUNOS

scrl

scrl(3XCURSES)						  X/Open Curses Library Functions					    scrl(3XCURSES)

NAME

       scrl, scroll, wscrl - scroll a window

SYNOPSIS

       cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib 
       -R /usr/xpg4/lib -lcurses [ library... ]

       c89 [ flag... ] file... -lcurses [ library... ]

       #include <curses.h>

       int scrl(int n);

       int scroll(WINDOW *win);

       int wscrl(WINDOW *win, int n);

PARAMETERS

       n		       number and direction of lines to scroll

       win		       pointer to the window in which to scroll

DESCRIPTION

       The scroll() function scrolls the window win up one line.  The current cursor position is not changed.

       The  scrl() and wscrl() functions scroll the window stdscr or win up or down n lines, where n is a positive (scroll up) or negative (scroll
       down) integer.

       The scrollok(3XCURSES) function must be enabled for these functions to work.

RETURN VALUES

       On success, these functions return OK. Otherwise, they return ERR.

ERRORS

       None.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |Unsafe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       clearok(3XCURSES), libcurses(3XCURSES), attributes(5), standards(5)

SunOS 5.10							    5 Jun 2002							    scrl(3XCURSES)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

function to test if file is open

Discussion started by: johnsonbryce

2. UNIX and Linux Applications

Sybase help: Open client, bcp function

Discussion started by: Bubnoff

3. Programming

Some how the open(file,flag, acc) returns 0 and write to the screen, instead of the file ???

Discussion started by: alex_5161

4. Programming

Open function of sys/stat.h

Discussion started by: cyler