19 lines
350 B
Bash
Executable File
19 lines
350 B
Bash
Executable File
if [[ $# -ne 1 ]]; then
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echo "usage: $0 <number>"
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echo "please provide exactly one numeric argument"
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exit 1
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fi
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if ! [[ "$1" =~ ^[0-9]+$ ]] || (("$1" < 1)); then
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echo "error: argument must be a positive integer"
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exit 1
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fi
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reset
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for ((i = 2; i < "$(($1 + 1))"; i++)); do
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cowsay "$(($i - 1))"
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sleep 1
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clear
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done
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cowsay -e oo -T U "$1"
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