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15 lines
185 B
Bash
15 lines
185 B
Bash
#!/usr/bin/env sh
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# YES_ZSH
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# YES_BASH
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# YES_DASH
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sum() { ### @-
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local sum=0
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for i; do
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: $((sum+=i))
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done
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echo "$sum"
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}
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[ "${SOURCING:-0}" -gt 0 ] || sum "$@"
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