Calcul de Sous totaux sous unix

johand@osiris: ~/src/CCM/awk $ cat totaux.dat   
00:00 Éric 15  
00:00 Jean 8  
00:00 Freddy 18  
00:05 Nathan 4  
00:05 Robert 22  
00:05 Honoré 21  
00:10 Gérard 7  
00:10 Marco 14  
00:10 Gilbert 20   
johand@osiris: ~/src/CCM/awk $ cat totaux.sh  
#!/bin/sh  
awk  -F " "  '{SUMS[$1] += $3 ; } END {for (key in  SUMS) { printf("Total %s\t%04d\n", key, SUMS[key]); } }'  
johand@osiris: ~/src/CCM/awk $ sort -R totaux.dat  | ./totaux.sh   
Total 00:05 0047  
Total 00:00 0041  
Total 00:10 0041

$ declare -A x ; while read t n v ; do ((x[$t]+=$v)); done < fichier ; for t in ${!x[@]}; do echo Total $t ${x[$t]} ; done
Total 00:00 41
Total 00:05 47
Total 00:10 41

$ declare -A x ; while IFS=, read t n v ; do ((x[$t]+=$v)); done < fichier ; for t in ${!x[@]}; do echo Total $t ${x[$t]} ; done