From 1b67b8f2304c1787d14bb26c817774b4b7aa2eac Mon Sep 17 00:00:00 2001
From: Justin Campbell <justin@justincampbell.me>
Date: Fri, 28 Feb 2014 11:24:45 -0500
Subject: Variable substr

---
 bash.html.markdown | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'bash.html.markdown')

diff --git a/bash.html.markdown b/bash.html.markdown
index 70a3b52a..d5d08e9d 100644
--- a/bash.html.markdown
+++ b/bash.html.markdown
@@ -46,6 +46,10 @@ echo '$VARIABLE'
 echo ${VARIABLE/Some/A}
 # This will substitute the first occurance of "Some" with "A"
 
+# Substring from a variable
+echo ${VARIABLE:0:7}
+# This will return only the first 7 characters of the value
+
 # Default value for variable
 echo ${FOO:-"DefaultValueIfFOOIsMissingOrEmpty"}
 # This works for null (FOO=), empty string (FOO=""), zero (FOO=0) returns 0
-- 
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