rmpath

(tmp_for_tar/mcompat/rmpath.m)

Function Synopsis

rmpath(...)

Help text

       rmpath(dir1,...)

 Removes dir1,... from the current LOADPATH.

 For m****b compat.

 Last modified: January 2000

Listing of function file tmp_for_tar/mcompat/rmpath.m

##       rmpath(dir1,...)
##
## Removes dir1,... from the current LOADPATH.
## 
## For m****b compat.
## 

## Author:        Etienne Grossmann  <etienne@isr.ist.utl.pt>
## Last modified: January 2000

function rmpath(...)

  while nargin--,
    p = va_arg() ;
    lp = length(p) 
    printf("removing %s\n",p);
				# Nothing like perl for strings!
    np = LOADPATH ;
    lo = 0 ;
    while lo != length(np),	# Loop while I can substitute
      lo = length(np) ;
      np = strrep(np,[":",p,":"],":") ;
    end
    if length(np)>=lp,

				# Check at beginning
      f = index(np,p) ;
      if f == 1 ,
	printf("rmpath : removing from beginning\n") ;
	if length(np) == lp , 
	      np = "" ;
	elseif length(np) > lp && strcmp( np(lp+1),":" ) ,	
	  np = np(lp+2:length(np)) ;
	end
      end
				# Check at end
      f = rindex(np,p) ;
      if f == length(np)-lp+1 && length(np)-lp>0 && \
	    strcmp(np(length(np)-lp),":") ,
	printf("rmpath : removing from end\n") ;
	np = np(1:length(np)-lp-1) ;
      end
    end
  end
  ## LOADPATH
  ## np
  ## keyboard
  if !strcmp(LOADPATH,np),
    printf("rmpath : loadpath is changed\n") ;
    LOADPATH = np 
  end