Merge branch 'master' of https://github.com/JonCook/tutorials

linux-bash/text/src/main/bash/remove_characters.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+my_var="Hola Mundo"
+echo ${my_var}
+
+my_filename="interesting-text-file.txt"
+echo ${my_filename:0:21}
+
+echo ${my_filename%.*}
+
+complicated_filename="hello-world.tar.gz"
+echo ${complicated_filename%%.*}
+
+echo ${my_filename/.*/}
+
+echo 'interesting-text-file.txt' | sed 's/.txt*//'
+
+echo 'interesting-text-file.txt' | cut -f1 -d"."
+echo ${complicated_filename} | cut -f1 -d"."