have this text file:
name, age
joe,42
jim,20
bob,15
mike,24
mike,15
mike,54
bob,21
Trying to get this (count):
joe 1
jim 1
bob 2
mike 3
Thanks,
$ awk -F, 'NR>1{arr[$1]++}END{for (a in arr) print a, arr[a]}' file.txt
joe 1
jim 1
mike 3
bob 2
EXPLANATIONS
-F,splits on,NR>1treat lines after line 1arr[$1]++increment arrayarr(split with,) with first column as keyEND{}block is executed @ the end of processing the filefor (a in arr)iterating overarrwithakeyprint aprint key, arr[a]and valueaof arrayarr