Shell Sintaxes completas representadas por Diagrama Sintático - Diagrama de Sintaxe (ver convenções) ou BNF (ver convenções). Diagrama Sintático - Diagrama de Sintaxe | Diagrama Sintático - Diagrama de Sintaxe e BNF | BNF 1. complete_command complete_command : list separator? 2. list list : and_or {separator_op and_or} 3. and_or and_or : pipeline {and_or ('&&' | '||') linebreak pipeline} 4. pipeline pipeline : '!'? pipe_sequence 5. pipe_sequence pipe_sequence : command {('|' linebreak) command} 6. command command : simple_command | compound_command redirect_list? | function_definition 7. compound_command compound_command : brace_group | subshell | for_clause | case_clause | if_clause | while_clause | until_clause 8. subshell subshell : '(' compound_list ')' 9. compound_list compound_list : newline_list? term separator? 10. term term : and_or {separator and_or} 11. for_clause for_clause : for name linebreak [in [wordlist] sequential_sep] do_group 12. wordlist wordlist : wordlist: WORD+ 13. case_clause case_clause : case WORD linebreak in linebreak (case_list|case_list_ns|'') esac 14. case_list_ns case_list_ns : case_list? case_item_ns 15. case_list case_list : case_item+ 16. case_item_ns case_item_ns : '('? pattern ')'compound_list? linebreak 17. case_item case_item : '('? pattern ')' (linebreak|compound_list) ';;' linebreak 18. pattern pattern : WORD { '|' WORD } 19. if_clause if_clause : if compound_list then compound_list [{elif compound_list then} else compound_list] fi 20. while_clause while_clause : while compound_list do_group; 21. until_clause until_clause : until_clause: until compound_list do_group; 22. function_definition function_definition : fname '()' linebreak function_body 23. function_body function_body : compound_command redirect_list? 24. fname fname : NAME 25. brace_group brace_group : '{' compound_list '}' 26. do_group do_group : do compound_list done 27. simple_command simple_command : cmd_prefix? cmd_name cmd_suffix? 28. cmd_name cmd_name : WORD 29. cmd_prefix cmd_prefix : cmd_prefix: (io_redirect | ASSIGNMENT_WORD)+ 30. cmd_suffix cmd_suffix : ( io_redirect | WORD)+ 31. redirect_list redirect_list : io_redirect+ 32. io_redirect io_redirect : IO_NUMBER?( io_file | io_here) 33. io_file io_file : ('<' | '<&' | '>' | '>&' | '>>' | '<>' | '>|') filename 34. filename filename : WORD 35. io_here io_here : ('<<' | '<<-') here_end 36. here_end here_end : WORD 37. newline_list newline_list : newline_list? NEWLINE 38. linebreak linebreak : newline_list | '' 39. separator_op separator_op : '&' | ';' 40. separator separator : separator_op linebreak | newline_list 41. sequential_sep sequential_sep : ';' linebreak | newline_list