-----------------------------------------------------------------------
-- cut -- Text Transformations
-- Copyright (C) 2012, 2022 Stephane Carrez
-- Written by Stephane Carrez (Stephane.Carrez@gmail.com)
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
-----------------------------------------------------------------------
with Ada.Text_IO;
with Ada.Command_Line;
with Util.Strings;
with Util.Strings.Tokenizers;
procedure Cut is
procedure Print_Token (Token : in String;
Done : out Boolean);
procedure Print_Token (Token : in String;
Done : out Boolean) is
begin
Ada.Text_IO.Put_Line (Token);
Done := False;
end Print_Token;
Count : constant Natural := Ada.Command_Line.Argument_Count;
begin
if Count <= 1 then
Ada.Text_IO.Put_Line ("Usage: cut pattern ...");
Ada.Text_IO.Put_Line ("Example: cut : $PATH");
return;
end if;
declare
Pattern : constant String := Ada.Command_Line.Argument (1);
begin
for I in 2 .. Count loop
Util.Strings.Tokenizers.Iterate_Tokens (Content => Ada.Command_Line.Argument (I),
Pattern => Pattern,
Process => Print_Token'Access);
end loop;
end;
end Cut;