mirror of
https://github.com/notwa/rc
synced 2024-05-18 17:53:23 -07:00
42 lines
761 B
Bash
Executable File
42 lines
761 B
Bash
Executable File
#!/usr/bin/env bash
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# YES_ZSH
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now() {
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[ $# -le 1 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
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local dt
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local fmt='+%F_%T_%N'
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if [ -z "$1" ]; then
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dt="$(date -u "$fmt")"
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elif [ -e "$1" ]; then
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dt="$(date -u -r "$1" "$fmt")"
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else
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dt="$(date -u -d "$1" "$fmt")"
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fi
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local F T N
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F=${dt%%_*}
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T=${dt#*_}
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T=${T%_*}
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N=${dt##*_}
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local H M S
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H=${T%%:*}
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M=${T#*:}
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M=${M%:*}
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S=${T##*:}
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# don't interpret numbers as octal
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F=${F#0*}
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T=${T#0*}
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N=${N#0*}
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H=${H#0*}
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M=${M#0*}
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S=${S#0*}
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local ms=
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let 'ms=(H*60*60+M*60+S)*1000+N/1000000'
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ms=$(printf '%08i' $ms)
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echo "${F}_${ms}"
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}
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[ "${SOURCING:-0}" -gt 0 ] || now "$@"
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