add ex2 A set of commands for dealing with multiple files

file.ex2

+#2
+######################a:
+mkdir ~/newfile
+
+#######################b&c
+for n in {1..10}; do
+     for c in {a..z}; do
+         if [ "$c" = "x" ]; then
+             echo "Hello Linux" > ~/newfile/"file${n}_${c}"
+         else
+             touch ~/newfile/"file${n}_${c}"
+         fi
+     done
+ done
+
+##or
+
+##########################b:
+ for n in {1..10}; do
+     for c in {a..z}; do
+             touch ~/newfile/"file${n}_${c}"
+     done
+ done
+
+#########################c:
+find ~/newfile -name "*c" -exec sh -c 'echo "Hello Linux" > "$0"' {} \;
+
+
+#########################d:
+for n in {a..z}; do     mkdir ~/newfile/"$n";     mv ~/newfile/file*"$n" "$n"/; done
+
+#########################e:
+find ~/newfile -name "file[3,4]*" -exec rm {} \;
+