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[soved]formatting numbers

 
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tueb
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Joined: 04 Oct 2007
Posts: 76
Location: #quiz.de @ irc.gamesurge.net
PostPosted: Wed Feb 18, 2009 5:48 am    Post subject: [soved]formatting numbers Reply with quote
Hi,

I'm looking for a away to format a number from 1234567890 to 1,234,567,890

I already tried [format "%5.3f" $number] and similar versions, but I cannot find the right way.


thanks for your help,

tueb
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Last edited by tueb on Thu Feb 19, 2009 5:26 am; edited 1 time in total
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TCL_no_TK
Owner


Joined: 25 Aug 2006
Posts: 509
Location: England, Yorkshire
PostPosted: Wed Feb 18, 2009 9:53 pm    Post subject: Reply with quote
Check out the "commas" proc from http://wiki.tcl.tk/1591

Quote:
%commas 123456789 ;# naturally, it defaults for use with large decimal integers
123,456,789


Code:
 proc {commas} {var {num 3} {char ","}} {
    set len   [string length $var]
    set first [expr $len - $num]
    set x     ""
    while { $len > 0} {
   # grab left num chars
   set lef [string range $var $first end]
   if {[string length $x] > 0} {
       set x   "${lef}$char${x}"
   } else {
       set x   ${lef}
   }
   # grab everything except left num chars
   set var [string range  $var 0 [expr $first -1]]
   set len   [string length $var]
   set first [expr $len - $num]
    }
    return $x
 }

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tueb
Halfop


Joined: 04 Oct 2007
Posts: 76
Location: #quiz.de @ irc.gamesurge.net
PostPosted: Thu Feb 19, 2009 5:25 am    Post subject: Reply with quote
it works,


thx
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