Oh I see the problem. $1 and $2 are local to functions but you are not passing parameters to the function. Perhaps define a and b outside of the functions, e.g...
Guys,
I have two big numbers to multiply. In doing do I am getting integer overflow.
I managed to multiply number but this number is useless as KSh does not recognise it as
a valid number. Here is what I am doing
$ expr 999999999999 \* 100
276447132
I got the right value by doing... (2 Replies)
Hi,
I have a shell scripting. This will take 7 digit number in each line and add 7 digit number with next subsequent lines ( normal addition ).
Eg:
0000001
0000220
0001235
0000022
0000023
...........
.........
........
Like this i am having around 1500000 records. After adding... (23 Replies)
hi, i am trying some awk arthmatic calculation,i have a problem if any one can help
let say if i have a file
exm.txt
3 + 2
3 * 2
3 / 2
3 - 2
the output expected is
awk -f exm.awk exm.txt
3 + 2 = 5
3 * 2 = 6
3 / 2 = 1.5
3 - 2 = 1
i simply used exm.awk
{
print $1 " + " $3 "= " $1 +... (3 Replies)
Hi Everyone!
I'm trying to do simple math on a single command line instead of a script which I've already set up using let etc. I can not get the same output to display on a command line.
Essentially I would like a=20, b=50, and c=a*b.
When I tried:
let "A=20, B=50"; let C=A*B; echo $C
... (2 Replies)
I have a file with the following content.
> cat /tmp/internetusage.txt
6709.296322 30000 2/7/2010 0.00I am using the following awk command to calculate a percentage from field 1 and 2 from the file.
awk '{ print $1/$2*100 }' /tmp/internetusage.txt
This outputs the value "22.3643" as a... (1 Reply)
Discussion started by: jelloir
1 Replies
LEARN ABOUT SUNOS
echo
echo(3XCURSES) X/Open Curses Library Functions echo(3XCURSES)NAME
echo, noecho - enable/disable terminal echo
SYNOPSIS
cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib
-R /usr/xpg4/lib -lcurses [ library... ]
c89 [ flag... ] file... -lcurses [ library... ]
#include <curses.h>
int echo(void);
int noecho(void);
DESCRIPTION
The echo() function enables Echo mode for the current screen. The noecho() function disables Echo mode for the current screen. Initially,
curses software echo mode is enabled and hardware echo mode of the tty driver is disabled. The echo() and noecho() functions control soft-
ware echo only. Hardware echo must remain disabled for the duration of the application, else the behavior is undefined.
RETURN VALUES
Upon successful completion, these functions return OK. Otherwise, they return ERR.
ERRORS
No errors are defined.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
|MT-Level |Unsafe |
+-----------------------------+-----------------------------+
SEE ALSO getch(3XCURSES), getstr(3XCURSES), initscr(3XCURSES), libcurses(3XCURSES), scanw(3XCURSES), attributes(5), standards(5)SunOS 5.10 5 Jun 2002 echo(3XCURSES)