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Top Forums Shell Programming and Scripting Incrementing parts of ten digits number by parts Post 302861973 by wisecracker on Thursday 10th of October 2013 02:55:02 AM
Old 10-10-2013
Longhand on OSX 10.7.5 default bash terminal:-
Code:
Last login: Thu Oct 10 07:41:49 on ttys000
AMIGA:barrywalker~> data=2013101173
AMIGA:barrywalker~> data1=${data:0:4}
AMIGA:barrywalker~> echo "$data1"
2013
AMIGA:barrywalker~> data2=${data:4:2}
AMIGA:barrywalker~> echo "$data2"
10
AMIGA:barrywalker~> data3=${data:6:2}
AMIGA:barrywalker~> echo "$data3"
11
AMIGA:barrywalker~> data4=${data:8:2}
AMIGA:barrywalker~> echo "$data4"
73
AMIGA:barrywalker~> data4=$[ ( $data4 + 1 ) ]
AMIGA:barrywalker~> echo "$data4"
74
AMIGA:barrywalker~> echo "$data1 $data2 $data3 $data4"
2013 10 11 74
AMIGA:barrywalker~> _

Hope this helps...
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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 5.11 5 Jun 2002 echo(3XCURSES)
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