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Full Discussion: Update single line
Top Forums Shell Programming and Scripting Update single line Post 302525776 by aishsimplesweet on Saturday 28th of May 2011 11:51:32 AM
Old 05-28-2011
Update single line
Hi everyone

i need one help don't know whether it is simple or difficult but not able to solve it.
here is the problem

suppose my code is

Code:
 
time_def=3
r=0
while [[ $r -lt ${time_def} ]]
do
echo "time left is $time_def "
((time_def=time_def-1))
done
 
and the output is
time left is 3
time left is 2
time left is 2

can we make the output in one line so that each time it does not echo the statement like

Code:
 
time left is 3

then instead of diaplaying "time left is 2" it display on the same line "time left is 2"

please help me in this

---------- Post updated at 10:51 AM ---------- Previous update was at 08:28 AM ----------

to be in simple language i want to display changing of time in only one line not in multiple lines.

can we do this?/
 

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LEARN ABOUT DEBIAN

stapgraph

STAP(1) 						      General Commands Manual							   STAP(1)

NAME

       stapgraph - systemtap grapher

SYNOPSIS

       stapgraph [ OPTIONS ] FILENAME [ ARGUMENTS ]
       stapgraph [ OPTIONS ] - [ ARGUMENTS ]
       stapgraph [ OPTIONS ] -e SCRIPT [ ARGUMENTS ]

DESCRIPTION

       The stapgraph program is a simple frontend to stap that produces graphs from the output of stap scripts.

       This manual corresponds to version 1.7.

OPTIONS

       stapgraph accepts all options accepted by stap.	They are passed through to the stap process running the script or probe points.

USER INTERFACE

       The script that produces results can be started from a dialog within the program, in addition to being launched using the program's command
       line arguments. This dialog allows arguments to be passed to stap and to the script.

       When running, a mouse left click on a graph pauses the display of data, even though it is still collected  by  the  program.  Dragging  the
       mouse scrolls the graph backwards and forwards in time; clicking the displayed pause button restarts the display of new data.

       The scroll wheel can be used to zoom in and out on the graph.

SCRIPT OUTPUT SYNTAX

       Scripts can output  Comma Separated Values (CSV) which will be interpreted by stapgraph.  The first value is the X coordinate of the graph,
       usually a time value.  stapgraph assumes that this value is constantly increasing.

       A different syntax allows the script to specify many details of the graph's appearance.

       %DataSet: DATA-SET-NAME	SCALE  COLOR  GRAPHSTYLE

       The data set name identifies a data set that will be emitted by the script.  "SCALE" is the overall vertical scale of the  graph  for  this
       data  set.  "COLOR"  is a red-green-blue hex color. "GRAPHSTYLE" is one of bar - a traditional bar graph dot - plotted points discreet - An
       event style timeline that records that an event happened at a certain time.

       %Title: TITLE
	      A title for the whole graph.

       %XAxisTitle: TITLE
	      The legend for the X axis

       %YAxisTitle: TITLE
	      The legend for the Y axis.

       %YMax: MAX VALUE
	      The maximum value displayed on the graph.

GRAPH DATA

	DATA SET  TIME	VALUE Each data point that is to be plotted is tagged with the data set name, followed by the time and value of the point.

SEE ALSO

       stap(3stap), staprun(3stap),

BUGS

       Use the Bugzilla link off of the project web page or our mailing list.  http://sourceware.org/systemtap/,<systemtap@sourceware.org>.

Red Hat 							    2013-05-14								   STAP(1)
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