7 lines
188 B
Bash
7 lines
188 B
Bash
#!/bin/bash
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username=$(whoami)
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dob=$(grep $username /etc/birthdays | cut -f 3 -d ':')
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today=$(date +%Y%m%d)
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age=$(echo "$today - $dob" | bc -l | cut -f 1 -d '.')
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printf "%s%b" "$age" "\n"
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