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seq 1 254|xargs -i sh -c 'ping -c1 -W1 172.19.76.{} >&/dev/null && echo 172.19.76.{} is up'VP
echo x | echo
echo x | xargs echo
x
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seq 12|xargs -i sh -c 'LC_ALL=C cal 31 {} $(date +%Y) 2>&1|grep -Eo "\-(2[8|9])|\-30|31"|cut -d "-" -f 2|tr "\n" " "'VP