I want to delete the contents of a file which are matching with contents of other file

Shell Programming and Scripting
1

Hi,

I want to delete the contents of a file which are matching with contents of other file in shell scripting.
Ex.
file1

sheel,sumit,1,2,3,4,5,6,7,8
sumit,rana,2,3,4,5,6,7,8,9
grade,pass,2,3,4,5,6,232,1,1
name,sur,33,1,4,12,3,5,6,8
sheel,pass,2,3,4,5,6,232,1,1

File2

grade,pass,2,3,4,5,6,232,1,1
sheel,pass,2,3,4,5,6,232,1,1

so i want to delete contents of file 1 by reading line by line from file2
Could any one please suggest as i need urgent help on this.

Thanks in Advance!!!!!

2

please see here

Google Search Results for remove contents from one file | The UNIX and Linux Forums

3

if it is about removing lines from one file which are there in another file comm command can help you, bit it works on sorted files. read 'man comm' to check

4

Thanks itkamaraj for help, i found the answer and both comm and diff commands can be used for this purpose with combination of grep. Thanks to sharadpisal also.