Update README.md

README.md

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 # xSelectBlock
 Plugin for x64dbg that allows you to select block of data in dump widget easier
+
+# Features
+
+## GUI inspired by HxD
+![](https://i.imgur.com/KE353Tp.gif)
+
+## Commands
+
+### xrange
+Allows you to select bytes in range of `start`-`stop`
+
+`xrange start, stop`
+
+Example:
+
+`xrange 76F31000, 76F31013`
+
+### xlen
+Allows you to select bytes starting at `start` with length `len`
+
+`xlen start, len`
+
+Example:
+
+`xlen 76F31000, 13`
+
+### xext
+Allows you to extend/shrink currect selection by `len`
+
+`xext len`
+
+Example:
+
+`xext 2`
+
+### xset
+Allows you to set current selection to specific `len`
+
+`xset len`
+
+Example:
+
+`xset 2`