how to move file pointer to a particular line in c
Hello experts,
I ve a text file I want to go to particular line . what is the best way to do this in c ?
I am tried as follows
but this functions moves the file pointer according to a number of bytes. Unfortunately I don't know the exact byte of the desired pointer position. All I have is the Line no I want to go , and that is my variable pos here.
suppose pos = 10 , then I want to jump to the 10th record in my text file. and one more thing my text file is about 2 million lines.
regards,
user_prady
--
Last edited by user_prady; 03-26-2008 at 01:03 AM..
I have a text file that has blocks of text. Each block starts with ### and ends with End_###.
I wrote a perl script to search a string from line 2 (ignore any line starts with ###) of each block
if matched, need to print that whole block. According to the input file in below, it will print... (5 Replies)
Hi,
I have a file called /bb/bin/rstrt.
I need to move the line/entry "ccpm_load_shared_memory" after the entry
"initcorp". The problem is that there are several entries for "initcorp" in this file and I need the entry to be moved only after the first instance of "initcorp"
Is there a way... (5 Replies)
I'm rather new to scripting, and despite my attempts at finding/writing a script to do what I need, I have not yet been successful.
I have a file named "list.txt" of arbitrary length with contents in the following format:
/home/user/Music/file1.mp3
/home/user/Music/file2.mp3... (21 Replies)
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)
Can somebody help me with a script ....
Read a file /etc/inittab
find the string starting with rcml and move it entirely towards the end of file.
rcml:2:once:/usr/sni/aix52/rc.ml > /dev/console 2>&1
I basically want to change the startup sequence. (2 Replies)
I have a script with this statement:
/usr/xpg4/bin/awk -F"" 'NR==FNR{s=$2;next}{printf "%s\"%s\"\n", $0, s}' LOOKUP.TXT finallistnew.txt >test.txt
I want to include logic or an additional step that says if there is no data in field 3, move the whole line out of test.txt into an additional... (9 Replies)
I want a script that will move everything beyond a certain line number or beyond a certain content word into another file.
For example, if file A has this:
first line
second line
third line
forth line
fifth line
sixth line
I want to run a script that will move everything beyond the third... (4 Replies)
Hi ,
I need your help for the below issue.
I have a file which has data as below
An error came (/u01/app/12.csv)
pkg1.func1: detail s 1111-->pkg1.func1: detail s 2222-->
Now pkg1.func1: .... --> can come multiple times in the second line.
I need to arrange the data in the below... (9 Replies)
Hi,
I have a following file and it has only one occurrence of line that says "Output view:". It could be in middle somewhere ( i don't know the exact location ). I want to move it as the first line of the file.
Input
AAA
BBBB
CCCC
Output view:
XXXX
YYYY
ZZZZ
Output should be:
Output... (13 Replies)
Hey there,
I joined this forum just now cause I need help with an old SUN machine at work. I work on a helpdesk and we use a SOLARIS 5.10 OS. Every once in a while we will try to move one of our windows out of the way to make room on the desktop, and sometimes the mouse doesn't release what we... (7 Replies)