Otro comando en el campo AWK
#pipe command into getline and to a variable
#Ex:
awk -F: '{"wc -l "$1 | getline c; printf("%s\n",c)}'
Lazy Lizard
#pipe command into getline and to a variable
#Ex:
awk -F: '{"wc -l "$1 | getline c; printf("%s\n",c)}'