I am new to the unix/linux environment.
AND........
I need to create a mini shell..that displays prompt (i.e., READY:$), accepts a command from std-in, and prints the command and any parameters passed to it. HELP!!!! (8 Replies)
The script below is supposed to list file and folder names and list the type besides each - It has no practical value - I am just trying to learn KSH (so far sounds like a bad idea!)
Expected output should look like this:
folder 1 *** dir ***
file1 * file *
The code runs but produces... (9 Replies)
I know that this is a ridiculously simple statement, but I am getting an error when I execute it, and I can't figure out what it is. Can anyone point me in the right direction?
#!/bin/ksh
integer dateMonth=0
integer intZero=0
if
then
dateMonth = 1
fi
echo $dateMonth (7 Replies)
i am reading APUE now,and the OS in the book seems different from RH9,which i installed in my computer.
can you tell me if a linux environment can help me really understand the APUE?If not,which OS i should try,the BSD?
THANKS (1 Reply)
I don't know if it is right to ask you this. Can someone help me write a simple Xlib program,with button on it,and all that button do is switch 2 messages.
I have tried and tried,but never get past Hello World. Can someone help me please?
---------- Post updated at 10:17 PM ---------- Previous... (2 Replies)
I had this working a few days ago but I since changed it. Heres the code
x=1
while 1 2 3 4 5 6
1=$(ps -ef | grep process | awk '{ print $2}')
if
then
echo "The database is accepting connections..."
echo "Now I will check the next process"
2=$(ps -ef | grep process1 |... (10 Replies)
i am new to shell scripting!! i am making this program in bourne shell, that asks the user to input "Hello (their name)" or "question (their name)", any other input, "ERROR" will be outputted.
if they input "Hello (name)", i want to out saying Hello (name) but if they input "question (name)", i... (4 Replies)
Given the following code inside the function ext3_write_super():
(It's there in Linux kernel 2.6.27.59)
static void ext3_write_super (struct super_block * sb)
{
if (mutex_trylock(&sb->s_lock) != 0)
BUG();
sb->s_dirt = 0;
}
The conditional test at if... (2 Replies)
I am doing a simple "recycle bin" script. It is to check and see if the directory .TRASH exists within the home directory. If not then it makes the directory then appends a date and time to file and then finally moves the file in. However, when I run this script, it is not making the directory as... (5 Replies)
Hello everyone,
I have written simple script below to check if ip is added to interface
#!/usr/local/bin/bash
IFCONFIG="/sbin/ifconfig"
SERVICE="/usr/sbin/service"
IP="79.137.X.X"
GREP=$(${IFCONFIG} | grep ${IP})
ip_quantity_check () {
echo ${GREP} | wc -l
}
if ];... (2 Replies)
Discussion started by: bryn1u
2 Replies
LEARN ABOUT BSD
seekdir
DIRECTORY(3) Library Functions Manual DIRECTORY(3)NAME
opendir, readdir, telldir, seekdir, rewinddir, closedir - directory operations
SYNOPSIS
#include <sys/types.h>
#include <sys/dir.h>
DIR *opendir(filename)
char *filename;
struct direct *readdir(dirp)
DIR *dirp;
long telldir(dirp)
DIR *dirp;
seekdir(dirp, loc)
DIR *dirp;
long loc;
rewinddir(dirp)
DIR *dirp;
closedir(dirp)
DIR *dirp;
DESCRIPTION
Opendir opens the directory named by filename and associates a directory stream with it. Opendir returns a pointer to be used to identify
the directory stream in subsequent operations. The pointer NULL is returned if filename cannot be accessed, or if it cannot malloc(3)
enough memory to hold the whole thing.
Readdir returns a pointer to the next directory entry. It returns NULL upon reaching the end of the directory or detecting an invalid
seekdir operation.
Telldir returns the current location associated with the named directory stream.
Seekdir sets the position of the next readdir operation on the directory stream. The new position reverts to the one associated with the
directory stream when the telldir operation was performed. Values returned by telldir are good only for the lifetime of the DIR pointer
from which they are derived. If the directory is closed and then reopened, the telldir value may be invalidated due to undetected direc-
tory compaction. It is safe to use a previous telldir value immediately after a call to opendir and before any calls to readdir.
Rewinddir resets the position of the named directory stream to the beginning of the directory.
Closedir closes the named directory stream and frees the structure associated with the DIR pointer.
Sample code which searchs a directory for entry ``name'' is:
len = strlen(name);
dirp = opendir(".");
for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp))
if (dp->d_namlen == len && !strcmp(dp->d_name, name)) {
closedir(dirp);
return FOUND;
}
closedir(dirp);
return NOT_FOUND;
SEE ALSO open(2), close(2), read(2), lseek(2), dir(5)4.2 Berkeley Distribution September 24, 1985 DIRECTORY(3)