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Shell Programming and Scripting
If condition problem
Post 88500 by maheshsri on Saturday 5th of November 2005 03:10:10 AM
11-05-2005
If condition problem
Hi Guys,
I want to use if conition for my script. Before I used it tried it with some small test scripts. But it was not succeeded. My script and screen output as follows,
Script:
echo 'Do you think Yes or No (y/n) : '
read ans
echo You input anser as $ans
ans1=y
if ( $ans == $ans1 )
then
echo good!
else
echo bad!
fi
screen output
Do you think Yes or No (y/n) :
y
You input anser as y
y: not found
bad!
Do you think Yes or No (y/n) :
n
You input anser as n
n: not found
bad!
Can somebody please pleasse tell me what is the error ?
I tried this several times with different formats in tcshell.
Regards,
Mahesh Fernando.
I want to use if conition for my script. Before I used it tried it with some small test scripts. But it was not succeeded. My script and screen output as follows,
Script:
echo 'Do you think Yes or No (y/n) : '
read ans
echo You input anser as $ans
ans1=y
if ( $ans == $ans1 )
then
echo good!
else
echo bad!
fi
screen output
Do you think Yes or No (y/n) :
y
You input anser as y
y: not found
bad!
Do you think Yes or No (y/n) :
n
You input anser as n
n: not found
bad!
Can somebody please pleasse tell me what is the error ?
I tried this several times with different formats in tcshell.
Regards,
Mahesh Fernando.
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LEARN ABOUT SUNOS
noecho
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)