#81891 - 2003-10-15 02:41 PM
LTrimstring(), RTrimstring() and Trimstring()
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Pierre FREMION
Getting the hang of it
Registered: 2000-01-11
Posts: 66
Loc: Paris, France, Europe, Sun3
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Hello everybody.
Here are 3 functions I often use instead of LTrim(), RTrim() and Trim(), that I find
restrictives.
LTrimstring(), RTrimstring() and Trimstring()
In fact these functions do the same thing than LTrim(), RTrim() and Trim(), but I added
an optional argument which allow to change the default searched string 'Space' by the one
you indicate.
These 3 functions could replace LTrim(), RTrim() and Trim(), and because the second
argument is optional, previous scripts using these functions will still work as attended.
function LTrimString($a, optional $b)
$LTrimString=''
if vartype($b)=0 $b=' ' endif
if $a and $b and vartype($a)=8 and vartype($b)=8
while left($a,len($b))=$b
$a=substr($a,len($b)+1)
loop
$LTrimString=$a
endif
endfunction
function RTrimString($a, optional $b)
$RTrimString=''
if vartype($b)=0 $b=' ' endif
if $a and $b and vartype($a)=8 and vartype($b)=8
while right($a,len($b))=$b
$a=substr($a,1,len($a)-len($b))
loop
$RTrimString=$a
endif
endfunction
function TrimString($a, optional $b)
; Dependencies : Ltrimstring(), Rtrimstring
$TrimString=''
if vartype($b)=0 $b=' ' endif
if $a and $b and vartype($a)=8 and vartype($b)=8
$a=LTrimString($a,$b)
$a=RTrimString($a,$b)
$TrimString=$a
endif
endfunction
Try LTrimstring('\winnt','\')
and Trimstring(@ldrive,'\')
or Rtrimstring(@scriptname,'.kix')
Let me know if this helps or what you think about.
I wish you all a good day.
_________________________
Comments always welcome.
French native so I apologize for my (mis)use of English!
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