grep and the -f switch

[Greg Chicares]

On 2012-11-26 19:08Z, Roy Jensen wrote:
> I've created a text file (in Windows) with the text patterns I wish to
> search for. Using the -f switch, grep only searches for the last
> pattern in the file. If there is a blank line at the end, grep finds
> nothing.
> 
> grep -a -A 4 -f pattern.txt my.file > output.txt

In case the file of patterns contains a carriage return, try:
  d2u pattern.txt
then repeat the 'grep' command.


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