How to find FileName, LineNumber of a text in all subdirectories using cygwin

$grep -Hrn "search string" .

• -H causes the filename to be printed (implied when multiple files are searched)
• -r does a recursive search
• -n causes the line number to be printed

Other useful flags:

• -I To ignore binary files (complement: -a treat all files as text)
• -F treat search term as a literal, not a regular expression
• -i a case-insensitive search
• --color=always Force colors even when piping through less. To make less support colors, you need to use the -r option:

  grep -Hrn search . | less -r
  

• --exclude-dir=dir For excluding directories like .svn and .git.