单独存放 scripts

README.md

@@ -22,7 +22,7 @@
 ## 📄 语法
 #### 详细
 - **Step by step** ➜ [LANG.md](LANG.md)
-- **By examples** ➜ [测试集](test)
+- **By examples** ➜ [脚本](scripts) or [测试集](test)
 
 #### 速览
 ```js

scripts/zsh_history_tidy.lk

@@ -0,0 +1,116 @@
+cmd_prefix := 'lk zsh_history_tidy.lk'
+
+args := os.args
+
+modes := {
+    "duplicate": fn(line, _, cmd) {
+        have := false
+        for _, v in lines_result {
+            if strs.contains(v, cmd) {
+                have = true
+                break
+            }
+        }
+        if not have {
+            lines_result[#lines_result] = line
+        }
+    },
+    "old": fn(line, time, _) {
+        if time_limit == nil {
+            time_limit = now - int(args[3])
+        }
+
+        if time >= time_limit {
+            lines_result[#lines_result] = line
+        }
+    },
+    'key': fn(line, _, cmd) {
+        if not re.find(args[3], cmd) {
+            lines_result[#lines_result] = line
+        }
+    }
+}
+helps := {
+    "duplicate": fmt('清理重复的命令历史，eg: %s duplicate', cmd_prefix),
+    'old': fmt('清理过期的历史，eg: %s old 86400 -> 清理一天前的历史, 86400 = 60 * 70 * 24', cmd_prefix),
+    'key': fmt('正则匹配，eg: %s key "cd [A-Z]" -> 符合正则的行会被清理', cmd_prefix)
+}
+checks := {
+    'duplicate': fn() {
+        rt true
+    },
+    'old': fn() {
+        if #args != 4 {
+            print(fmt('参数过少: \n%s', helps['old']))
+            rt false
+        }
+        if not re.have('^[0-9]+$', args[3]) {
+            print('参数错误，只能为数字:\n' + helps['old'])
+            rt false
+        }
+        rt true
+    } ,
+    'key': fn() {
+        pass := #args == 4
+        if not pass {
+            print(fmt('参数过少: \n%s', helps['key']))
+        }
+        rt pass
+    },
+}
+
+if #args < 3 {
+    print(fmt("Usage: %s <mode> [options]\n", cmd_prefix))
+    help_str := ''
+    for k, v in helps {
+        help_str += fmt('<%s> : \n%s\n', k, v)
+    }
+    print('以下是可选的模式：\n'+help_str)
+    os.exit()
+}
+
+mode := args[2]
+if modes[mode] == nil {
+    print('Unkown mode: '+mode)
+}
+if not checks[mode]() {
+    os.exit()
+}
+
+func := modes[args[2]]
+
+now = os.time() / 1000
+zsh_history_path := os.get_env('HOME') + '/.zsh_history'
+err := os.cp(zsh_history_path, zsh_history_path + '.bak')
+if err != nil {
+    print('备份失败, 是否继续？(y/n)')
+    continue := input()
+    if continue != 'y' {
+        os.exit()
+    }
+}
+
+histories, err := os.read(zsh_history_path)
+if err != nil {
+    print(err)
+    os.exit(1)
+}
+
+lines := strs.split(histories, '\n')
+lines_result = {}
+for _, line in lines {
+    results := re.find(`: ([0-9]+):[0-9]+;([ \S]+)`, line)
+    if results != nil {
+        time := int(results[1])
+        cmd := results[2]
+        func(line, time, cmd)
+    }
+}
+
+err := os.write(zsh_history_path, strs.join(lines_result, '\n'))
+if err != nil {
+    print(err)
+    os.exit(1)
+} else {
+    print(fmt('清理完成，原有 %d 条，现有 %d 条，共清理 %d 条历史', #lines, #lines_result, #lines - #lines_result))
+}