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Top Forums Shell Programming and Scripting How to get PID of a backgroung prsc from that process??? Post 302321904 by alex_5161 on Tuesday 2nd of June 2009 10:50:52 AM
Old 06-02-2009
Quote:
Originally Posted by cfajohnson

Did you read my post?

I repeat:

Code:

{ sleep 1; echo "sleepy-$BASHPID"; sleep 1; } &

cfajohnson - if you mean that the $BASHPID should give me the current PID - that is not clear from your statement.
Although I have check that, and my shell does not have this variable defined.
Also I have not found this variable in bash manual.
Code:
/src> echo $BASHPID

/src> echo "bacgroung : $BASHPID" &
[1] 4173
bacgroung :
[1]+  Done                    echo "bacgroung : $BASHPID"
/src>

 

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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)
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