How to remove parentheses of a string or list

How about:

printf("%s\n" buildString(var))

Andrew.

Hey Thanks Andrew.

It  works.

i found that it works if the list starts with the letter and not number.

For example: var= '(12345)

buildString(var) will say -> "arg must be symbol or string".

Have you come across any such function which would just remove parentheses irrespective of the content of list.

Thanks.

 for( i 0 length(var)-1 printf( "%L " nth( i var) ) )

Never loop over lists using a for loop and nth(). That is a very inefficient way of iterating over lists. Lists are sequential, not random access, so nth() has to start at the beginning of the list each time and hop along the list until it reaches the nth entry. So for a list of N items, the number of list cells visited ends up being ~ (N^2)/2 - so for a list with a million entries, it would take roughly 500 billion hops. That's not very efficient.

For small lists, it's not noticable, but since it grows with the square of N, it soon deteriorates. Instead you would be better off doing:

  foreach(entry var printf("%L " entry))

which is more concise and is proportional to N (it visits each list cell only once).

Better still use the buildString() that I mentioned in my previous reply.

Andrew.

 If the list contains something more than strings or symbols, you cannot use buildString without getting an error. Here is a quick way to do it that eliminates quotes around strings as well.

foreach( entry var
    if(symstrp(entry) then
       printf( "%s" entry )
    else
      printf( "%L" entry )
)

 This will only work with single level lists, you could make a function that calls itself (recursive function) to process hierarchical lists.

Ted

Thank you very much Ted and Andrew.

I will learn to write an recursive function and will post it here.

Regards,

Subhash