Here my tclsh script, that can shows today, yesterday,...
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terminal length 0
tclsh
# Today
set today [clock format [clock seconds] -format "%b %d"]
# Yesterday
set yesterday [clock format [expr {[clock seconds] - 86400}] -format "%b %d"]
# anyday
set anyday [clock format [expr {[clock seconds] - <replace day x 86400>}] -format "%b %d"]
# Remove zero in day before 10
set today [string map {" 0" " "} $today]
set yesterday [string map {" 0" " "} $yesterday]
show logging | inc $today
show logging | inc $yesterday
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