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justanotherdot/date-cmp.sh

Created January 28, 2021 02:15
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Compare twwo dates.
Raw
date-cmp.sh
: {d1:=1}
: {d2:=2}
: {op:?"provide an operator for comparison"}
lhs=date -j -f "%F" "$d1" +%s 2>/dev/null
rhs=date -j -f "%F" "$d2" +%s 2>/dev/null
case $op in
"eq")
[ lhs -eq rhs ] ;;
"ge")
[ lhs -ge rhs ] ;;
"le")
[ lhs -le rhs ] ;;
"gt")
[ lhs -gt rhs ] ;;
"lt")
[ lhs -lt rhs ] ;;
esac
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