From a03fccce5d94f9bff069ed65fc32c824621ae9ad Mon Sep 17 00:00:00 2001
From: "Rico Sta. Cruz" <rstacruz@users.noreply.github.com>
Date: Wed, 9 Sep 2015 19:42:24 +0800
Subject: [PATCH] sh: update loops

---
 sh.md | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/sh.md b/sh.md
index d62bfd582..75a1f47c1 100644
--- a/sh.md
+++ b/sh.md
@@ -53,6 +53,12 @@ Loops
         echo "Welcome $i"
     done
 
+### Reading lines
+
+    cat file.txt | while read line; do
+      echo $line
+    done
+
 Functions
 ---------
 
@@ -250,11 +256,11 @@ or
     while [[ "$1" =~ ^- && ! "$1" == "--" ]]; do; case $1 in
     esac; shift; done
 
-### Reading
+### Heredoc
 
-    cat x | while read line; do
-      echo $line
-    done
+    cat <<END
+    hello world
+    END
 
 ## Reference