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Full Discussion: Help with Tcl...
Top Forums Shell Programming and Scripting Help with Tcl... Post 302137946 by sumitgarg on Thursday 27th of September 2007 08:37:01 PM
Old 09-27-2007
Help with Tcl...

Hello Tcl Experts,


set i 0

while { $i < 10 } {
puts "$i"
incr i
}

I am trying to print the value of "i" at the same place. i.e. it should first print "1", then in next iteration print "2" over the location of "1" and so on.... (i.e. in every iteration, delete the previous number and print the next number at the same place)...
I tried various combinations of switches(blindly), but couldn't make it work.. The next value is always printed in new line... Smilie

Present Output:

0
1
2
3
4
5
6
7
8
9


I want:

9

or atleast

1 2 3 4 5 6 7 8 9

I hope I am able to make myself clear.

Thanks...
 

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continue(1T)						       Tcl Built-In Commands						      continue(1T)

__________________________________________________________________________________________________________________________________________________

NAME
continue - Skip to the next iteration of a loop SYNOPSIS
continue _________________________________________________________________ DESCRIPTION
This command is typically invoked inside the body of a looping command such as for or foreach or while. It returns a TCL_CONTINUE code, which causes a continue exception to occur. The exception causes the current script to be aborted out to the innermost containing loop command, which then continues with the next iteration of the loop. Catch exceptions are also handled in a few other situations, such as the catch command and the outermost scripts of procedure bodies. EXAMPLE
Print a line for each of the integers from 0 to 10 except 5: for {set x 0} {$x<10} {incr x} { if {$x == 5} { continue } puts "x is $x" } SEE ALSO
break(1T), for(1T), foreach(1T), return(1T), while(1T) KEYWORDS
continue, iteration, loop ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+-----------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+-----------------+ |Availability | SUNWTcl | +--------------------+-----------------+ |Interface Stability | Uncommitted | +--------------------+-----------------+ NOTES
Source for Tcl is available on http://opensolaris.org. Tcl continue(1T)
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