10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I am trying to execute something like this
file=/tmp/test.txt
firstline=$(head -n 1 $file)
value=`echo $firstline | cut -d'=' -f2`
if
then
echo true
fi
i read the first line of a file, cut to the numeric value in the first line and check if it greater than 2
but for some... (11 Replies)
Discussion started by: madhan_dc
11 Replies
2. Shell Programming and Scripting
hi,
how to I do this?
i="4.000"
if ; then
echo "smaller"
fi
how do I convert the "4.000" to 4?
Thanks! (4 Replies)
Discussion started by: h0ujun
4 Replies
3. Shell Programming and Scripting
Hi
What is the difference between following commands
Command1
length=1
if ] ; then
echo "Hellow world"
fi
Command 2
length=1
if ] ; then
echo "Hellow world"
fi
which is correct usage from this (2 Replies)
Discussion started by: morbid_angel
2 Replies
4. UNIX for Dummies Questions & Answers
I'm trying to write a programme which scans strings to find how many vowels they contain. I get an error saying that I'm trying to compare a pointer and an integer inif(*v == scanme){. How can I overcome this ? Also, the programme seems to scan only the first word of a string e.g.: if I type "abc... (1 Reply)
Discussion started by: fakuse
1 Replies
5. Programming
Hi guys :D
I am still playing with my C handbook and yes, as you can see I have small problem as always :cool:
I wrote a C code
#include <stdio.h> #define MESSAGE 100 int main(void) { char input_mes - Pastebin.com
And when I try to compile it I get following errors from gcc
... (1 Reply)
Discussion started by: solaris_user
1 Replies
6. Shell Programming and Scripting
Hi,
I am just trying to compare integer in ksh. can you please tell me what's wrong with this code... or give me suggestions on alternative.
sample code:
i=0;
if ; then
echo inside if
fi
Thanks in advance! (6 Replies)
Discussion started by: nram_krishna@ya
6 Replies
7. Programming
I use solaris10,following is tcp client code:
#include "cliserv.h"
int main(int argc,char argv){
struct sockaddr_in serv;
char request,reply;
int sockfd,n;
if(argc!=2)
err_quit("usage: tcpclient <IP address of server>");
if((sockfd=socket(PF_INET,SOCK_STREAM,0))<0)
... (1 Reply)
Discussion started by: konvalo
1 Replies
8. Programming
If one wants to get a start address of a array or a string or a block of memory via a function, there are at least two methods to achieve it:
(1) one is to pass a pointer-to-pointer parameter, like:
int my_malloc(int size, char **pmem)
{
*pmem=(char *)malloc(size);
if(*pmem==NULL)... (11 Replies)
Discussion started by: aaronwong
11 Replies
9. Programming
A question to ask.
seq1 = "eeeeeeeeeeeeeeeeee";
seq2 = "dddddddddddddddddddd";
char a = '*';
strcat(*seq2, &a);
strcat(*seq1, seq2);
compilation
warning: passing arg 1 of `strcat' makes pointer from integer without a cast
thanks (4 Replies)
Discussion started by: cdbug
4 Replies
10. Programming
I have a class with an integer pointer, which I have not initialized to NULL in the constructor. For example:
class myclass
{
private:
char * name;
int *site;
}
myclass:: myclass(....)
: name(NULL)
{
.....
}
other member function “delete “ the variable before... (2 Replies)
Discussion started by: sureshreddi_ps
2 Replies
