Hi All, I really need your help. I am a begginner in shell script and I believe this is a very simple issue.
I have in my directory, n-files, like 1.dhm, 2.dhm, 3.dhm.
These files have 1 column with 1 value per line, like:
1.dhm
------
10
20
30
40
50
2.dhm
------
30
50
20 (3 Replies)
hello again guys,
I tried to make a script but due to array's limitations I didn't succeed...so I'm asking you :)
I need numbering the lines according to date (everyday I need to restart the counter)
for example:
ABCBD 20080101 XXX 1
FSDFD 20080101 BBB 2
FSDFD 20080102 HHH 1
and so... (3 Replies)
Hello guys,
I need help with a script for removing lines that does not satisfy a condition.
For example if a file has these lines:
aaaa bbbb cccc
aaaa bbbb cccc
dddd eeee ffff
gggg hhhh iiii
jjjj kkkk llll
aaaa bbbb cccc
jjjj kkkk lllll
dddd eeee ffff
dddd eeee ffff
Then I want... (4 Replies)
Hi,
I have the below values in a text file.
'xx.16397950',
'xx.16397957',
'xx.16397976',
'xx.16473259',
I need to use in the where clause of the sql query in my unix shell script. How to read one by one value.
It should be like this:
select * from <<table name>> where xx in (... (10 Replies)
hi to all
Does anyone know if there's a way to remove duplicate lines which we consider the same only if they have the first and the second column the same?
For example I have :
us2333 bbb 5
us2333 bbb 3
us2333 bbb 2
and I want to get
us2333 bbb 10
The thing is I cannot... (2 Replies)
Hi Friends,
I have an input file like this
chr1 100 200
chr1 200 300
chr1 300 400
chr1 400 500
chr1 500 600
chr1 600 700
chr1 700 800
chr1 800 900
chr1 900 920
chr1 940 960
I would like to get the first line's second column and the fifth line's 3rd column as one single line. This... (13 Replies)
file input
aaaa,52C
aaaa,50C
bbbb,50C
bbbb,58C
aaaa,52C
bbbb,50C
aaaa,30C
bbbb,58C
cccc,60C
i want to print uniq lines with its max value of column2
expected output
aaaa,52C
bbbb,58C
cccc,60C
tks (4 Replies)
Hi All,
I have following listing
Filesystem GB blocks Free Used Iused Iused Mounted on
/dev/hd2 4.00 0.31 93 63080 43 /usr
Filesystem GB blocks Free Used Iused Iused Mounted on
Filesystem GB blocks Free Used Iused Iused... (11 Replies)
Hi Gents,
Please can you help me to get the desired output .
In the first column I have some duplicate records, The condition is that all need to reject the duplicate record keeping the last occurrence. But the condition is. If the last occurrence is equal to value 14 or 98 in column 3 and... (2 Replies)
Discussion started by: jiam912
2 Replies
LEARN ABOUT CENTOS
etext
END(3) Linux Programmer's Manual END(3)NAME
etext, edata, end - end of program segments
SYNOPSIS
extern etext;
extern edata;
extern end;
DESCRIPTION
The addresses of these symbols indicate the end of various program segments:
etext This is the first address past the end of the text segment (the program code).
edata This is the first address past the end of the initialized data segment.
end This is the first address past the end of the uninitialized data segment (also known as the BSS segment).
CONFORMING TO
Although these symbols have long been provided on most UNIX systems, they are not standardized; use with caution.
NOTES
The program must explicitly declare these symbols; they are not defined in any header file.
On some systems the names of these symbols are preceded by underscores, thus: _etext, _edata, and _end. These symbols are also defined for
programs compiled on Linux.
At the start of program execution, the program break will be somewhere near &end (perhaps at the start of the following page). However,
the break will change as memory is allocated via brk(2) or malloc(3). Use sbrk(2) with an argument of zero to find the current value of
the program break.
EXAMPLE
When run, the program below produces output such as the following:
$ ./a.out
First address past:
program text (etext) 0x8048568
initialized data (edata) 0x804a01c
uninitialized data (end) 0x804a024
Program source
#include <stdio.h>
#include <stdlib.h>
extern char etext, edata, end; /* The symbols must have some type,
or "gcc -Wall" complains */
int
main(int argc, char *argv[])
{
printf("First address past:
");
printf(" program text (etext) %10p
", &etext);
printf(" initialized data (edata) %10p
", &edata);
printf(" uninitialized data (end) %10p
", &end);
exit(EXIT_SUCCESS);
}
SEE ALSO objdump(1), readelf(1), sbrk(2), elf(5)COLOPHON
This page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can
be found at http://www.kernel.org/doc/man-pages/.
GNU 2008-07-17 END(3)