shell - How to list all files that do not contain two different strings -

shell - How to list all files that do not contain two different strings -

list files not contain 2 different strings

i have dir numerous files named in pattern e.g file1.txt

i can list files not contain 1 string

grep -l "string" file*

how can list files not contain 2 strings tried?

grep -l "string1|string2" file*

you need parameter e grep, or using egrep.

with egrep:

egrep -l "string1|string2" file*

shell scripting grep