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41 lines
1.2 KiB
Bash
41 lines
1.2 KiB
Bash
#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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#
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# Author: Hari Sekhon
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# Date: 2012-06-25 15:20:39
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#
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# https://github.com/HariSekhon/DevOps-Bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
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#
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# https://www.linkedin.com/in/HariSekhon
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#
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# ============================================================================ #
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# S p i n n e r
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# ============================================================================ #
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spinner(){
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local msg="$* "
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#local num=${2:-100}
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local num=1000
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#local delay=${3:-0.00001}
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local delay=0.00001
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spin='-\|/'
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#printf "${msg//?/ }"
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printf "%s" "$msg "
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for ((i=0; i < num; i++)); do
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sleep $delay
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# This way results in more flashing
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#printf "\r${msg}${spin:$((${i}%${#spin})):1}"
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# TODO: naughty allowing variables in printf format string but fiddly with msg var replaced backspace otherwise, clean up later...
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# shellcheck disable=SC2059
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printf "\\b${msg//?/\\b}${msg}${spin:$((i % ${#spin})):1}"
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done
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printf '\b '
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echo
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echo "done"
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}
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