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authorCody Hiar <codyfh@gmail.com>2017-04-20 19:37:10 -0600
committerCody Hiar <codyfh@gmail.com>2017-04-20 19:37:10 -0600
commit2dd809781527976307b47a598887062047e202c9 (patch)
tree8b29daba2c1ef072f380ef530b7e7d9256e43eb3 /lib/text_roll.sh
parentbaeb698bb006193559fc5aa1901180a3ccc73b7a (diff)
Making tmux configuration much easier to manage
Diffstat (limited to 'lib/text_roll.sh')
-rw-r--r--lib/text_roll.sh63
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}"
-}