Shell – cut string on last delimiter

cutshell

I have a filename like a.b.c.txt, I want this string to be split as 

string1=a.b.c
string2=txt

Basically I want to split filename and its extension. I used cut but it splits as a,b,c and txt. I want to cut the string on the last delimiter.

Can somebody help?

Best Answer

 #For Filename
 echo "a.b.c.txt" | rev | cut -d"." -f2-  | rev
 #For extension
 echo "a.b.c.txt" | rev | cut -d"." -f1  | rev
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