38 linhas
608 B
Bash
Arquivo executável
38 linhas
608 B
Bash
Arquivo executável
#!/bin/bash
|
|
|
|
##
|
|
# Displays the current Swatch Internet Time
|
|
#
|
|
# -shaun kerr.
|
|
##
|
|
|
|
set -e
|
|
|
|
function usage {
|
|
cat <<EOF
|
|
Usage: $0 [-s -h]
|
|
|
|
Displays the current Swatch Internet Time
|
|
|
|
-s | Do not display fractions
|
|
-h | Show help
|
|
EOF
|
|
}
|
|
|
|
while getopts "sh" o; do
|
|
case $o in
|
|
s) fmt="@%03d\n" ;;
|
|
h) usage; exit 0 ;;
|
|
*) usage; exit 1 ;;
|
|
esac
|
|
done
|
|
|
|
seconds=$(date -u +"%-S")
|
|
minutes=$(date -u +"%-M")
|
|
hours=$((($(date -u +"%-H")+1)%24))
|
|
if [ -z $fmt ]; then fmt="@%07.3f\n"; fi
|
|
|
|
awk -v b="$((seconds + minutes*60 + hours*3600 ))" \
|
|
-v fmt="$fmt" \
|
|
'BEGIN { printf(fmt,b/86.4); }'
|