A README.md

@@ -0,0 +1,35 @@ 
+## Sketch
+This program allows you to view images in your terminal.
+
+### Features
+- View images in your terminal
+- Show as many images as you want at once
+- Images always scale to fit the terminal size
+- Supports png and jpg
+- Adjustable scaling with flags
+
+### Usage
+```bash
+sketch </path/to/images>
+# or for 60% size
+sketch -6 </path/to/images>
+# you can even change size in the middle of the images
+sketch cat.png -4 dog.jpg
+# will output cat.png with 100% scale and dog.jpg at 40% size
+```
+
+### Installation Instructions
+1. clone it
+```bash
+git clone <url ^ that way>
+cd sketch
+```
+2. go build it
+```bash
+go build -o sketch -ldflags "-s -w" -trimpath .
+```
+3. install it
+```bash
+chmod +x sketch
+sudo install sketch /usr/local/bin/sketch
+```

M main.go → main.go

@@ -9,11 +9,12 @@ _ "image/jpeg"
 	_ "image/png"
 	"math"
 	"os"
+	"strings"
 )
 
 func getTermSize() (int, int) {
 	W, H, err := term.GetSize(int(os.Stdout.Fd()))
-	if err != nil {
+	if err != nil || !(W > 0 && H > 0) {
 		fmt.Fprintln(os.Stderr, "fatal: could not get terminal size")
 		os.Exit(1)
 	}
@@ -89,6 +90,13 @@ W, H := getTermSize()
 	var img Immg
 	var err error
 	for _, path := range os.Args[1:] {
+		if strings.HasPrefix(path, "-") && len(path) == 2 && '1' <= path[1] && path[1] <= '9' {
+			W *= (int(path[1]) - '0')
+			W /= 10
+			H *= (int(path[1]) - '0')
+			H /= 10
+			continue
+		}
 		err = img.OpenImg(path)
 		if err != nil {
 			fmt.Fprintf(os.Stderr, "error opening image: %s\n", path)