D.2.2.9 killall
...............
Procedure from library general.lib (see general_lib).

Usage:
killall(); (no parameter)

killall("type_name");

killall("not", "type_name");

Return:
killall(); kills all user-defined variables except loaded procedures,
no return value.

 - killall("type_name"); kills all user-defined variables,
of type "type_name"

 - killall("not", "type_name"); kills all user-defined variables,
except those of type "type_name" and except loaded procedures

 - killall("not", "name_1", "name_2", ...);
kills all user-defined variables, except those of name "name_i"
and except loaded procedures

Note:
killall should never be used inside a procedure

Example:
LIB "general.lib";
ring rtest; ideal i=x,y,z; string str="hi"; int j = 3;
export rtest,i,str,j;       //this makes the local variables global
==> // ** `rtest` is already global
==> // ** `i` is already global
==> // ** `str` is already global
==> // ** `j` is already global
listvar();
==> // j                    [0]  int 3
==> // str                  [0]  string hi
==> // rtest                [0]  *ring
==> //      i                    [0]  ideal, 3 generator(s)
==> // LIB                  [0]  string standard.lib,general..., 74 char(s)
killall("ring");            // kills all rings
==> // ** killing the basering for level 0
listvar();
==> // j                    [0]  int 3
==> // str                  [0]  string hi
==> // LIB                  [0]  string standard.lib,general..., 74 char(s)
killall("not", "int");      // kills all variables except int's (and procs)
listvar();
==> // j                    [0]  int 3
==> // LIB                  [0]  string standard.lib,general..., 74 char(s)
killall();                  // kills all vars except loaded procs
listvar();
==> // j                    [0]  int 3
==> // LIB                  [0]  string standard.lib,general..., 74 char(s)

<font size="-1">
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; User manual for <a href="http://www.singular.uni-kl.de/"><i>Singular</i></a> version 2-0-4, October 2002,
generated by <a href="http://www.gnu.org/software/texinfo/"><i>texi2html</i></a>.
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