replace.c
上传用户:tsgydb
上传日期:2007-04-14
资源大小:10674k
文件大小:28k
- /* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA */
- /* Replace strings in textfile
- This program replace strings in a file or on stdin/stdout.
- It accepts a list of from-strings and to-strings and replaces all
- occurents of from-strings to to-strings.
- The first occurents of a found string is matched. If there are more than
- one possibly replace the longer from-string is replaced.
- Special characters in from string:
- ^ Match start of line.
- $ Match end of line.
- b Match space-character, start of line or end of line.
- For end b the next replace starts locking at the end space-character.
- An b alone or in a string matches only a space-character.
- r, t, v as in C.
- The programs make a DFA-state-machine of the strings and the speed isn't
- dependent on the count of replace-strings (only of the number of replaces).
- A line is assumed ending with n or