Created
November 19, 2025 22:13
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Example of bash spinner
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| #!/bin/bash | |
| spinner() { | |
| local pid=$1 | |
| local message="${2}" | |
| local delay=0.1 | |
| local spin='-\|/-' | |
| local i=0 | |
| while kill -0 "$pid" 2>/dev/null; do | |
| i=$(( (i + 1) % 4 )) | |
| printf "\r[ %c ] ${message}..." "${spin:i:1}" >/dev/tty | |
| sleep "$delay" | |
| done | |
| } | |
| spinwait() { | |
| local pid=$1 | |
| local message="${2:-Task}" | |
| spinner $pid "$message" & | |
| local spid=$! | |
| wait $pid | |
| kill $spid 2>/dev/null | |
| printf "\r[ %s ] %s - Done\n" "*" "$message" >/dev/tty | |
| } | |
| value1=$( | |
| { | |
| sleep 3 | |
| echo "Some data 1" | |
| } & | |
| spinwait $! "Loading data" | |
| ) | |
| echo "Got value for task 1: $value1" | |
| value2=$( | |
| { | |
| sleep 5 | |
| echo "Sone data 2" | |
| } & | |
| spinwait $! | |
| ) | |
| echo "Got value for task 2: $value2" |
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