What is hard link and soft link? and what's the differences between them?
Hi!
I need to know which is the main difference between fork and vfork on Unix Systems.
Thanks
I am creating a Unix shell program. I am trying to parse commands and then execute them using Unix system functions. I am having problems implementing the chdir (or cd) command into my app f...
I have a struct like that:
struct msstruct
{
.......
int tid; //thread id
};
struct msstruct ms[no_threads];
I want to pass a struct to pthread_create, such as
pthread_create(...
While another program was calling the below korn shell script:
========================================
#!/bin/ksh
exec 0<$1
while read i
do
if ! echo $i | grep "^#" > /dev/null
...
I can print out the last field such as awk '{ print $NF }'
how can i print out the last field and the Next to last field.......
Hi, I'm trying to logon in a Telnet session via these commands (ksh):
(
sleep 2 #wait telnet to connect
print "root" #prompt username
sleep 2
print...
Hi All,
We are running a cron job that runs a PHP script. The PHP script is used to create an array of filenames (that exist in the webserver folder) and then it runs an exec command to un...
Hi
If a variable is defined as static in a function or if a global variable is declared as static where is it stored in the process memory area. Whether it is stored in the initialised data...
Hi Experts,
I have a list of interview questions whih I need answer from you. Please help me on this.
1) Unix command to copy the files with name containing test from /export/home to /...
I want to create a daemon in server which can listen to clients. The daemon will be connected to 3 modem ports(the code for this program is done).
The clients will send data to the daemon w...
Hi,
I am new to shell scripting.
My requirement is such that, I have a flat file delimited with '||', but there are Tabs (\t) in between of some words.
Please give me the complete sh...
How do I use the substring function in awk?
I am trying to do this on a Solaris box;
for example given string 123456789... (unknown length)
I would like to get back the substring which exclu...
UNIXer,
Can I redirect the stdout and stderr to a temporary file by the following code ?
filename=tmpnam(0);
freopen(filename, "w", stderr);
freopen(filename, "w", stdout);
But, how co...
how do I specify in a Unix Shell Script if I have a file that starts with filename. exp: If [ -f ./filename.*]
If the directory has any files that start with filename. the if statment s...
I have a ksh script that accepts a parameter to determine which query it executes. I need to run this multiple times passing different values.
I'd like to have a master ksh script that ...
I want to execute a program which outputs to stderr, in a section of c code. I could use popen() to monitor output, but this only pipes stdout back to the calling program. I need to read fro...
1)writte a shell script to find the lenght of a given string?
2)write a shell script to reverse a string?
3)writte a shell script to check the if a given string is a palindrome or not?
Hello All.
I have a script which basically reads a file and moves the files between 2 directories. I am attaching the code. This script has a for loop which reads a file (a pipe delimited f...
I have two data files with one column, I need to merge two files into one
file1
IBM
DELL
file 2
HP
COMPAQ
I woulld like to have the result like this
IBM HP
DELL COMPAQ
spool test.lst
select 'to_date('03-02-04 12:00','dd-mm-yy hh24:mi') ' || table_name
from user_snapshots ;
spool off
Jeg get an error SP2-0552: Bind variable "MI" not declared.
I'm trying to get a script written to change the carrige return linefeed characters to linefeed characters
I have a file where all lines end with Hex 0D 0A I want them to end with 0A
I ...
I'd like to add an output formatting enhancement to a C language open source command line terminal application.
The application does not place the console into any sort of raw mode, it just...
Is there a way (tool/utility/script) to easily convert c-shell scripts to bash complaint scripts? We have many scripts written in csh and now we are being asked to convert them all to bash (bs...
Hi,
I am new for the unix ksh program. I need create the shell program to read input file, save the information into array, then use the array in a loop.
The input like:
1001,my name,my...
