How to invert a grep expression

Question

The following grep expression successfully lists all the  exe and  html files in the current directory and sub directories     ls -R  grep -E      exe         html       How do I invert this result to list those that aren t a  html or  exe instead   That is

User · Answer

Add the -v option to your grep command to invert the results

User · Answer

grep -v   or  grep --invert-match   You can also do the same thing using find   find   -type f    -iname       -iname   exe    -iname   html      More info here

User · Answer

Use command-line option -v or --invert-match   ls -R  grep -v -E      exe         html

User · Answer

grep  subscription    grep -v  spec

User · Answer

As stated multiple times  inversion is achieved by the -v option to grep  Let me add the  hopefully amusing  note that you could have figured this out yourself by grepping through the grep help text   grep --help   grep invert      -v  --invert-match        select non-matching lines

[regex] How to invert a grep expression

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