Execute
(cmd: &str)
| 40 | |
| 41 | // Execute |
| 42 | pub fn exec(cmd: &str) -> XCode |
| 43 | { |
| 44 | let cmd = cmd.to_string(); |
| 45 | |
| 46 | let mut args = splargs(&cmd); |
| 47 | let mut redir = false; |
| 48 | let mut n = args.len(); |
| 49 | let mut i = 0; |
| 50 | |
| 51 | loop |
| 52 | { |
| 53 | if i == n |
| 54 | { |
| 55 | break; |
| 56 | } |
| 57 | |
| 58 | let mut fatarrow = false; |
| 59 | let mut thinarrow = false; |
| 60 | let mut lefthandle; |
| 61 | |
| 62 | if crate::rgx::Rgx::new("<=+").ismatch(args[i]) |
| 63 | { |
| 64 | fatarrow = true; |
| 65 | lefthandle = 0; |
| 66 | } |
| 67 | else if crate::rgx::Rgx::new("\\d*=+>").ismatch(args[i]) |
| 68 | { |
| 69 | fatarrow = true; |
| 70 | lefthandle = 1; |
| 71 | } |
| 72 | else if crate::rgx::Rgx::new("\\d*-*>\\d*").ismatch(args[i]) |
| 73 | { |
| 74 | thinarrow = true; |
| 75 | lefthandle = 1; |
| 76 | } |
| 77 | else |
| 78 | { |
| 79 | i += 1; |
| 80 | continue; |
| 81 | } |
| 82 | |
| 83 | let s = args[i].chars().take_while(|c| c.is_numeric()).collect::<String>(); |
| 84 | if let Ok(h) = s.parse() |
| 85 | { |
| 86 | lefthandle = h; |
| 87 | } |
| 88 | |
| 89 | if fatarrow |
| 90 | { |
| 91 | redir = true; |
| 92 | if i == n - 1 |
| 93 | { |
| 94 | println!("[ERR] UNABLE TO PARSE PATH"); |
| 95 | return XCode::CMD_ERR; |
| 96 | } |
| 97 | |
| 98 | let path = args[i + 1]; |
| 99 | if crate::fs::reopen(path, lefthandle).is_err() |