Shell Programming and Scripting

list="1:11 0:13 2:06 1:38 1:36 0:06 0:31 0:33 0:38 0:44"

h=0
m=0
for x in ${list}
do
    h=$(( h + ${x%%:*} ))   # add hours and minutes
    m=$(( m + ${x##*:} ))
done

h=$(( h + (m /60) ))    # minutes are likely more than 60, calc hours and add in 
m=$(( m % 60 ))     # adjust minutes

echo "${h}hrs ${m}min

#!/bin/ksh
list="1:11:59 0:13:58 2:06:57 1:38:56 1:36:55 0:06:54 0:31:53 0:33:52 0:38:51 0:44:50"

h=0
m=0
s=0
while IFS=':' read H M S
do
    h=$(( h + H ))   # add hours, minutes, and seconds
    m=$(( m + M ))
    s=$(( s + S ))
done <<-EOF
	$(printf '%s\n' $list)
EOF

m=$(( m + (s / 60) ))	# Add seconds overflow into minutes.
s=$(( s % 60 ))		# Remove whole minutes from seconds.

h=$(( h + (m / 60) ))	# Add minutes overflow into hours.
m=$(( m % 60 ))		# Remove whole hours from minutes.

printf '%d:%02d:%02d\n' "$h" "$m" "$s"

9:25:05

#!/bin/bash

list="1:11:00 0:13:03 2:06:45"

h=0
m=0
s=0
for x in ${list}
do
        echo ${x}
        h=$(( h + ${x%%:*} ))
        Min=$(echo ${x%:*} | cut -d: -f2)
        m=$(( m + ${Min} ))
        s=$(( s + ${x##*:} ))
        #echo "H : ${h}"
        #echo "M : ${m}"
        #echo "S : ${s}"
done

m=$(( m + (s/60) ))
h=$(( h + (m/60) ))
m=$(( m % 60 ))
s=$(( s % 60 ))

echo "${h}hrs ${m}min ${s}sec

#!/bin/bash

list="1:51:59 0:33:08 2:06:41"

h=0
m=0
s=0
for x in ${list}
do
        echo ${x}
	S=${x##*:}	# Extract seconds.
	x=${x%:$S}	# Strip seconds from x.
	S=${S#0}	# Strip leading 0 from S.

	M=${x##*:}	# Extract minutes.
	M=${M#0}	# Strip leading 0 from M.

	H=${x%:*}	# Extract hours (assume there is no leading 0 here.

        h=$(( h + H ))
        m=$(( m + M ))
        s=$(( s + S ))
        #echo "H : ${h}"
        #echo "M : ${m}"
        #echo "S : ${s}"
done

m=$(( m + (s/60) ))
h=$(( h + (m/60) ))
m=$(( m % 60 ))
s=$(( s % 60 ))

echo "${h}hrs ${m}min ${s}sec"

1:51:59
0:33:08
2:06:41
4hrs 31min 48sec

1:51:59
0:33:08
script_name: line 14: s + 08: value too great for base (error token is "08")
2hrs 24min 59sec

#!/usr/bin/env bash

# @(#) s1       Demonstrate addition of a list of times, dateutils.dadd

# Utility functions: print-as-echo, print-line-with-visual-space, debug.
# export PATH="/usr/local/bin:/usr/bin:/bin"
LC_ALL=C ; LANG=C ; export LC_ALL LANG
pe() { for _i;do printf "%s" "$_i";done; printf "\n"; }
pl() { pe;pe "-----" ;pe "$*"; }
em() { pe "$*" >&2 ; }
db() { ( printf " db, ";for _i;do printf "%s" "$_i";done;printf "\n" ) >&2 ; }
db() { : ; }
C=$HOME/bin/context && [ -f $C ] && $C dateutils.dadd

list="1:11:59 0:13:58 2:06:57 1:38:56 1:36:55 0:06:54 0:31:53 0:33:52 0:38:51 0:44:50"

pl " Input data list:"
pe "$list"

pl " Input list modified:"
v1=$( echo "$list" |
tr ' ' '\n' |
sed 's/:/h/;s/:/m/;s/$/s/' |
tr '\n' ' ')
echo "$v1"

pl " Results:"
dateutils.dadd -f "%T" 00:00:00 $v1 

exit 0

$ ./s1

Environment: LC_ALL = C, LANG = C
(Versions displayed with local utility "version")
OS, ker|rel, machine: Linux, 3.16.0-4-amd64, x86_64
Distribution        : Debian 8.4 (jessie) 
bash GNU bash 4.3.30
dateutils.dadd dadd 0.3.1

-----
 Input data list:
1:11:59 0:13:58 2:06:57 1:38:56 1:36:55 0:06:54 0:31:53 0:33:52 0:38:51 0:44:50

-----
 Input list modified:
1h11m59s 0h13m58s 2h06m57s 1h38m56s 1h36m55s 0h06m54s 0h31m53s 0h33m52s 0h38m51s 0h44m50s 

-----
 Results:
09:25:05