Не могли бы вы попробовать следующее, написанное и протестированное на показанных примерах.
awk '
match($0,/http[s]?:\/\/[^/]*\//){
first=substr($0,RSTART,RLENGTH)
val=substr($0,RSTART+RLENGTH)
num=split(val,array,"/")
print first
for(i=1;i<=num;i++){
value=(value?value "/":"")array[i]
print first value
}
val=first=value=""
}' Input_file
Пояснение: Добавление подробного объяснения к вышеизложенному.
awk ' ##Starting awk program from here.
match($0,/http[s]?:\/\/[^/]*\//){ ##Using match function which matches http OR https :// then till first occurrence of /
first=substr($0,RSTART,RLENGTH) ##Creating first with sub-string which starts from RSTART till RLENGTH value of current line.
val=substr($0,RSTART+RLENGTH) ##Creating val which has rest of line out of match function in 3rd line of code.
num=split(val,array,"/") ##Splitting val into array with delimiter / here.
print first ##Printing first here.
for(i=1;i<=num;i++){ ##Starting for loop till value of num from i=1 here.
value=(value?value "/":"")array[i] ##Creating value which has array[i] and keep adding in its previous value to it.
print first value ##Printing first and value here.
}
val=first=value="" ##Nullify variables val, first and value here.
}
' Input_file ##Mentioning Input_file name here.