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Full Discussion: Deleting redirected pwd from file.
Top Forums Shell Programming and Scripting Deleting redirected pwd from file. Post 302924321 by Don Cragun on Friday 7th of November 2014 06:55:45 PM
Old 11-07-2014
Quote:
Originally Posted by rosheks
... ... ...
i tried this
sed -i 's/\$password//g' file.lst

this is not working.. is there any suggestion how can i delete the password from redirected file.lst ?
As has already been stated, you don't want to escape the $, but even after you fix that, variables aren't expanded inside single quotes. If you can't pass the variables through the environment as suggested by DGPickett, your sed command might work if you use double quotes:
Code:
sed -i "s/$password//" file.lst

but this will not work if $password expands to a string that contains a / or any character that has a special meaning in a basic regular expression (such as ., *, ?, [, \, or {). And, even if that isn't a problem, there is also the chance that the user's selected password will match other text in file.lst (and remove it) even though the text removed was not in the password field. (So, if someone knows what this file is supposed to look like, you could expose that user's password by removing the password.)

Rather than editing this file, it would be safer to just remove it.
 

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LEARN ABOUT OPENSOLARIS

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 5.11							    5 Jun 2002							    echo(3XCURSES)
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