UNIX for Dummies Questions & Answers

*** Total elapsed time was 2 hours, 54 minutes and 40 seconds.
*** Total elapsed time was 42 minutes and 36 seconds.
*** Total elapsed time was 42 minutes and 57 seconds.
*** Total elapsed time was 42 minutes and 55 seconds.
*** Total elapsed time was one hour, one minute and 44 seconds.
*** Total elapsed time was 1 second.
*** Total elapsed time was 8 seconds.
*** Total elapsed time was 3 minutes and 0 second.

cat Canary1.log | grep -o -P '.{0,4}second' | sed -e 's/ seconds//g' -e 's/ second//g' -e 's/ //g'

grep -i "elapsed time" Canary.log | tail -1 | sed 's/.*\(.\) second\(.\).*/\1/'

cat Canary1.log | grep -o -P '.{0,3}second' | sed -e 's/[a-z]//g' -e 's/ //g'

cat Canary1.log | grep -o -P '.{0,4}hour' | sed -e 's/one/1/g' -e 's/[a-z]//g' -e 's/ //g'

cat Canary1.log | grep -o -P '.{0,4}minute' | sed -e 's/one/1/g' -e 's/[a-z]//g' -e 's/ //g'

sed 's/.*was /0 0 /
s/ and//
s/one/1/g
s/second.*//
s/minute[^[:space:]]* //
s/hour[^[:space:]]* //
s/.*\([0-9][0-9]* [0-9][0-9]* [0-9][0-9]*\)/\1/' Canary1.log

2 54 40 
0 42 36 
0 42 57 
0 42 55 
1 1 44 
0 0 1 
0 0 8 
0 3 0

sed --posix 's/.*was /0 0 /
s/ and//
s/one/1/g
s/second.*//
s/minute[^[:space:]]* //
s/hour[^[:space:]]* //
s/.*\([0-9][0-9]* [0-9][0-9]* [0-9][0-9]*\)/\1/' Canary1.log

sed -r 's/^/0 0 /; s/one/1/g; s/.*([0-9]+)[^0-9]+([0-9]+)[^0-9]+([0-9]+)[^0-9]+$/\1 \2 \3/' file
2 54 40
0 42 36
0 42 57
0 42 55
1 1 44
0 0 1
0 0 8
0 3 0

 while read HR MIN SEC REST; do echo $HR $MIN $SEC; done  <<< "$(sed -r 's/^/0 0 /; s/one/1/g; s/.*([0-9]+)[^0-9]+([0-9]+)[^0-9]+([0-9]+)[^0-9]+$/\1 \2 \3/' file)"

echo "*** Total elapsed time was 42 minutes and 57 seconds." | yoursed
0 42 57

echo "*** Total elapsed time was 42 hours and 57 seconds." | yoursed
0 42 57

sed --posix -n '
h
:hours
 /hour/ ! {
            s/.*/0 /
            b minutes
          }
s/hour.*/hour/
s/^.*[^0-9]\([0-9][0-9]*\)[     ]*hour$/\1 /
:minutes
 G
 /minute/ ! {
                s/^\([0-9][0-9]*\).*/\1 0/
                b seconds
            }
 s/minute.*/minute/
 s/^\([0-9][0-9]* \).*[^0-9]\([0-9][0-9]*\) minute$/\1 \2/
:seconds
 G
 /second/ ! {
                s/^\([0-9]* [0-9]*\).*/\1 0/
                b end
            }
 s/second.*/second/
 s/^\([0-9][0-9]* [0-9][0-9]*\).*[^0-9]\([0-9][0-9]*\) second$/\1 \2/
:end
p'