22 lines
554 B
Bash
22 lines
554 B
Bash
#!/bin/bash
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if [[ $# -lt 3 ]]; then
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echo "Usage: getdt <from> <to> (format)"
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return -1
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fi
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from_date=$1
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to_date=$2
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format="%02d days, %02d:%02d:%02d"
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if [[ $# -gt 3 ]]; then
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format=$3
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fi
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target_epoch=$(date -d "$from_date" +%s)
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now_epoch=$(date -d "$to_date" +%s)
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remaining_seconds=$((target_epoch - now_epoch))
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days=$((remaining_seconds / 86400))
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hours=$(((remaining_seconds % 86400) / 3600))
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minutes=$(((remaining_seconds % 3600) / 60))
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seconds=$((remaining_seconds % 60))
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printf "%02d days, %02d:%02d:%02d" $days $hours $minutes $seconds
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