! Copyright (c) 2020 Jeffrey Armstrong ! ! Permission is hereby granted, free of charge, to any person obtaining a copy ! of this software and associated documentation files (the "Software"), to deal ! in the Software without restriction, including without limitation the rights ! to use, copy, modify, merge, publish, distribute, sublicense, and/or sell ! copies of the Software, and to permit persons to whom the Software is ! furnished to do so, subject to the following conditions: ! ! The above copyright notice and this permission notice shall be included in ! all copies or substantial portions of the Software. ! ! The Software shall be used for Good, not Evil. ! ! THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ! IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ! FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE ! AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER ! LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ! OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE ! SOFTWARE. module escaper character(*), parameter::need_escape = " $&`:<>[]{}+#%@/;=?\^|~',"//'"' contains subroutine escape_string(text) implicit none character(*), intent(inout)::text integer::i character(3)::replace_text integer::replace_code i=1 do while(i < len_trim(text)) if(index(need_escape, text(i:i)) > 0) then replace_code = iachar(text(i:i)) write(replace_text, '(A1,Z2)') "%", replace_code if(i == 1) then text = replace_text//text(2:len_trim(text)) else if(i == len_trim(text)) then text = text(1:(i-1))//replace_text else text = text(1:(i-1))//replace_text//text((i+1):len_trim(text)) end if i = i + 3 else i = i + 1 end if end do end subroutine escape_string end module escaper