Update all new Tasks

Task/File-input-output/UNIX-Shell/file-input-output-1.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+while IFS= read -r a; do
+    printf '%s\n' "$a"
+done <input.txt >output.txt

Task/File-input-output/UNIX-Shell/file-input-output-2.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+cat input.txt >output.txt

Task/File-input-output/UNIX-Shell/file-input-output-3.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+cp input.txt output.txt