Created
January 28, 2021 02:15
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Compare twwo dates.
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| : {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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