24 lines
406 B
Bash
24 lines
406 B
Bash
# Reference: https://unix.stackexchange.com/a/137639
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function fail {
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echo $1 >&2
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exit 1
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}
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function retry {
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local n=1
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local max=3
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local delay=2
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while true; do
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"$@" && break || {
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if [[ $n -lt $max ]]; then
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((n++))
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echo "Command failed. Attempt $n/$max:"
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sleep $delay;
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else
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fail "The command has failed after $n attempts."
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fi
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}
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done
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}
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