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4 lines
146 B
Bash
4 lines
146 B
Bash
#!/bin/zsh
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paste -d '\0' <(tr -d a-z < $1 | rg -o ^.) <(tr -d a-z < $1 | rg -o .$) | \
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awk 'BEGIN { sum = 0 } { sum += $0 } END { print sum }'
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