Added default param

README.md

@@ -1,11 +1,12 @@
 # Ploy
 ### A simplified deployment and task automation tool.
 
-**Usage**: `ploy [command] [options]`
+**Usage**: `ploy [command]`
 
 **Commands**:
-- `ploy init` - Initialize a new template ploy script.
-- `ploy run [options] [pipeline]...` - Run pipelines on their respective servers (provide -l to run them locally).
+- `init` - Initialize a new template ploy script.
+- `run [options] [pipeline]...` - Run pipelines on their respective servers (provide -l to run them locally).
+- `help` - Display the help message.
 
 **Configuration structure**:
 ```json
@@ -45,4 +46,7 @@
         }
     }
 }
-```
+```
+
+**Auto populated params**:
+- `{{timestamp}}` - The current timestamp.

ploy/ploy.go

@@ -8,6 +8,7 @@ import (
 	"os"
 	"os/exec"
 	"strings"
+	"time"
 )
 
 type Params map[string]string
@@ -120,6 +121,9 @@ func (r *RemotePipelineExecutor) Execute(pipeline string) (string, error) {
 }
 
 func populatePlaceholders(s *string, params Params) {
+	timestamp := fmt.Sprintf("%s", time.Now().Format("20060102150405"))
+	*s = strings.ReplaceAll(*s, "{{timestamp}}", timestamp)
+
 	for k, v := range params {
 		*s = strings.ReplaceAll(*s, fmt.Sprintf("{{%s}}", k), v)
 	}