From c5b4f01dd3e9c5ea72113c3c311005c1a4919600 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nguy=E1=BB=85n=20Nh=E1=BA=ADt=20Nam?=
 <69423360+nhatnam1507@users.noreply.github.com>
Date: Tue, 8 Mar 2022 21:36:18 +0700
Subject: [PATCH] Update bash.sh

---
 languages/bash.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/languages/bash.sh b/languages/bash.sh
index 1b8b16b..d6c09c4 100644
--- a/languages/bash.sh
+++ b/languages/bash.sh
@@ -232,10 +232,10 @@ declare -l                   # uppercase values in the variable are converted to
 declare -A                   # makes it an associative array
 
 ${varname:-word}             # if varname exists and isn't null, return its value; otherwise return word
-${varname:word}              # if varname exists and isn't null, return its value; otherwise return word
 ${varname:=word}             # if varname exists and isn't null, return its value; otherwise set it word and then return its value
 ${varname:?message}          # if varname exists and isn't null, return its value; otherwise print varname, followed by message and abort the current command or script
 ${varname:+word}             # if varname exists and isn't null, return word; otherwise return null
+${varname:offset}            # performs substring expansion. It returns the substring of $varname starting at offset to the end
 ${varname:offset:length}     # performs substring expansion. It returns the substring of $varname starting at offset and up to length characters
 
 ${variable#pattern}          # if the pattern matches the beginning of the variable's value, delete the shortest part that matches and return the rest