MIAOU-BASH is a collection of settings and helpers for leveraging BASH.
Developer-friendly, it may be used as solo package with or without the miaou project.
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#!/bin/bash
# Clears the entire current line regardless of terminal size. # See the magic by running: # { sleep 1; clear_this_line ; }& clear_this_line(){ printf '\r' cols="$(tput cols)" for i in $(seq "$cols"); do printf ' ' done printf '\r' }
# Erases the amount of lines specified. # Usage: erase_lines [AMOUNT] # See the magic by running: # { sleep 1; erase_lines 2; }& erase_lines(){ # Default line count to 1. test -z "$1" && lines="1" || lines="$1"
# This is what we use to move the cursor to previous lines. UP='\033[1A'
# Exit if erase count is zero. [ "$lines" = 0 ] && return
# Erase. if [ "$lines" = 1 ]; then clear_this_line else lines=$((lines-1)) clear_this_line for i in $(seq "$lines"); do printf "$UP" clear_this_line done fi }
erase_lines "$1"
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