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# Convert [[[hh:]mm:]ss] timestamps to seconds
# Separator is :
BEGIN {
FS = ":"
}
# If no fields or illegal characters, warn, skip line, accrue errors
!NF || /[^0-9:]/ {
print "sec: Bad format" > "/dev/stderr"
err = 1
next
}
# Strip leading zeroes to stop awk trying to be octal
{
for (i = 1; i <= NF; i++)
sub(/^0*/, "", $i)
}
# Match hh:mm:ss
NF == 3 {
printf "%u\n", $1 * 3600 + $2 * 60 + $3
next
}
# Match mm:ss
NF == 2 {
printf "%u\n", $1 * 60 + $2
next
}
# Match ss (in which case all we've done is strip zeroes)
NF == 1 {
printf "%u\n", $1
next
}
# Done, exit 1 if we had any errors on the way
END {
exit(err > 0)
}
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