advent-of-code/12021/01/01.awk

# awk -c -f 01.awk 01input.txt

BEGIN{
 count = 0
}
NR==1{
 prev = $1
}

{
 dif= $1 - prev
 # print dif
 prev = $1
 if(dif>0){
	count++
 }
}

END{
 print count
}