tailieunhanh - Unix Shell Programming Third Edition phần 10

Nếu định nghĩa bí danh kết thúc trong một không gian, nó cố gắng thay thế bí danh trên từ kế tiếp. Kết quả cuối cùng sau đó được kiểm tra đối với danh sách từ dành riêng, và nếu nó không phải là một từ dành riêng, vỏ tiến hành bước 3. 3. Tiếp theo, vỏ kiểm tra các lệnh chống lại danh sách chức năng của nó và thực hiện nó nếu tìm thấy. 4. | Team LiB PREVIOUS SYMBOL A B C D E F G H I J K L M N O P Q R S T U V W X Y Z logical negation operator 2nd operator pound sign 2nd 3rd 4th 5th command vi construct dollar sign 2nd 3rd 4th 5th command vi 2nd 3rd variable 2nd 3rd variable 2nd 3rd 4th variable 2nd . construct 2nd 3rd 4th 5th 6th 7th 8th 9th variable 2nd 3rd 4th - variable variable 2nd 3rd 4th 5th 6th 7th @ variable 2nd 3rd 4th array i construct parameter construct variable construct 2nd array construct array i construct 2nd n variable parameter pattern construct parameter pattern construct parameter pattern construct parameter value construct parameter-value construct parameter value construct parameter value construct para mete r colon value construct 2nd 3rd para mete r colon -value construct 2nd 3rd para mete r colon value construct 2nd 3rd parameter colon value construct 2nd 3rd parameter construct 2nd 3rd variable construct italicize variable 2nd 0 variable 2nd 3rd array construct percent sign 2nd ampersand construct 2nd 3rd 4th 5th 6th 7th 8th 9th redirection operator redirection operator - characters - redirection operator redirection characters 2nd 3rd 4th redirection operator left angle bracket redirection operator single quote 2nd 3rd 4th 5th 6th 7th . construct parentheses 2nd . construct 2nd 3rd 4th 5th backslash 2nd 3rd backslash inside double quotes 2nd 3rd 4th line continuation character 2nd double quotes 2nd 3rd 4th 5th semicolon semicolon command vi asterisk 2nd 3rd 4th 5th 6th filename substitution 2nd 3rd 4th 5th command vi plus sign command vi - hyphen - option cd command 2nd -- option set command 2nd 3rd 4th -- option set command -a logical AND operator 2nd -o logical OR operator 2nd . period 2nd 3rd . command 2nd 3rd 4th 5th 6th 7th . command 2nd 3rd 4th 5th . pathname . pathname . construct 2nd 3rd 4th .precision modifier slash command vi 2nd 3rd equal sign command vi operator question mark filename substitution 2nd 3rd @letter command vi italic @letter construct . construct 2nd