Hiya,
I hope you had a merry Christmas ;)
I am trying to determine the time of last modification of a file,
on FreeBSD.
The following code achieves the same on Linux:
# AGE = (current time) - (time of last modification of "$FILE")
# please check your systems 'stat' command!
AGE=$(($(date +%s) - $(stat -c '%Y' "$FILE")))
test $AGE -lt $DELAY && {
echo -n yes
exit 0
}
Here is the whole bash script, just so that everything is clear:
<cut>
#!/usr/local/bin/bash
test -t 0 && trap "echo" EXIT
NAME="$1"; shift
DELAY="${1:-600}"; shift
BASE="${1:-/var/run/greydata}"; shift
NAME=${NAME//.//}
DIR=$BASE/${NAME%/*}
FILE=$DIR/${NAME##*/}
test -d "$DIR" || mkdir -p "$DIR"
test -f "$FILE" || {
> "$FILE"
echo -n yes
exit 0
}
# AGE = (current time) - (time of last modification of "$FILE")
# please check your systems 'stat' command!
AGE=$(($(date +%s) - $(stat -c '%Y' "$FILE")))
test $AGE -lt $DELAY && {
echo -n yes
exit 0
}
read <"$FILE"
echo -n no
exit 0
</cut>
The `stat -c` is illegal for FreeBSD. However I don't seem to understand
clearly what the man page for stat is telling me, to enable me make this
work.
-Wash
http://www.netmeister.org/news/learn2quote.html
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