1 files changed, 0 insertions, 63 deletions
diff --git a/lib/text_roll.sh b/lib/text_roll.sh
deleted file mode 100644
index e53247f..0000000
--- a/lib/text_roll.sh
+++ /dev/null
@@ -1,63 +0,0 @@
-# Rolling anything what you want.
-# arg1: text to roll.
-# arg2: max length to display.
-# arg3: roll speed in characters per second.
-roll_text() {
-	local text="$1"  # Text to print
-
-	if [ -z "$text" ]; then
-		return;
-	fi
-
-	local max_len="10"	# Default max length.
-
-	if [ -n "$2" ]; then
-		max_len="$2"
-	fi
-
-	local speed="1"  # Default roll speed in chars per second.
-
-	if [ -n "$3" ]; then
-		speed="$3"
-	fi
-
-	# Skip rolling if the output is less than max_len.
-	if [ "${#text}" -le "$max_len" ]; then
-		echo "$text"
-		return
-	fi
-
-	# Anything starting with 0 is an Octal number in Shell,C or Perl,
-	# so we must explicitly state the base of a number using base#number
-	local offset=$((10#$(date +%s) * ${speed} % ${#text}))
-
-	# Truncate text.
-	text=${text:offset}
-
-	local char	# Character.
-	local bytes # The bytes of one character.
-	local index
-
-	for ((index=0; index < max_len; index++)); do
-		char=${text:index:1}
-		bytes=$(echo -n $char | wc -c)
-		# The character will takes twice space
-		# of an alphabet if (bytes > 1).
-		if ((bytes > 1)); then
-			max_len=$((max_len - 1))
-		fi
-	done
-
-	text=${text:0:max_len}
-
-	#echo "index=${index} max=${max_len} len=${#text}"
-	# How many spaces we need to fill to keep
-	# the length of text that will be shown?
-	local fill_count=$((${index} - ${#text}))
-
-	for ((index=0; index < fill_count; index++)); do
-		text="${text} "
-	done
-
-	echo "${text}"
-}