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Operating Systems OS X (Apple) Help in explaining this echo conundrum. Post 302994012 by Corona688 on Friday 17th of March 2017 11:54:51 AM
Old 03-17-2017
Quote:
Originally Posted by wisecracker
Hi Corona688...

Perhaps but my non-rooted Android phone does NOT have printf
Then it's not actually a Bourne shell, and your efforts to be portable with it will be in vain.

If it's not rooted, you're using some weird imitation cooked up in Java and likely don't even have a terminal.

Last edited by Corona688; 03-17-2017 at 01:01 PM..
 

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scrl(3XCURSES)						  X/Open Curses Library Functions					    scrl(3XCURSES)

NAME
scrl, scroll, wscrl - scroll a window 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 scrl(int n); int scroll(WINDOW *win); int wscrl(WINDOW *win, int n); PARAMETERS
n number and direction of lines to scroll win pointer to the window in which to scroll DESCRIPTION
The scroll() function scrolls the window win up one line. The current cursor position is not changed. The scrl() and wscrl() functions scroll the window stdscr or win up or down n lines, where n is a positive (scroll up) or negative (scroll down) integer. The scrollok(3XCURSES) function must be enabled for these functions to work. RETURN VALUES
On success, these functions return OK. Otherwise, they return ERR. ERRORS
None. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |Unsafe | +-----------------------------+-----------------------------+ SEE ALSO
clearok(3XCURSES), libcurses(3XCURSES), attributes(5), standards(5) SunOS 5.11 5 Jun 2002 scrl(3XCURSES)
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