deepgrep (recursive grep with globs)

deepgrep.sh

# add this function to your .bash_profile or .zshrc
#
# usage (all files): deepgrep 'my[Expression]'
# usage (filtered files): deepgrep '*.go' MyString
#
# if your file filter uses a glob wildcard, enclose it in quotes
#

deepgrep() {
  if [[ $# -eq 0 || $# -gt 2 ]]
    then
    print "deepgrep ['*.ext'] expression"
    exit
  fi
  DGFF='*'
  if [[ $# -eq 2 ]]
    then
    DGFF=$1
  fi
  DGLF=${@: -1}
  for file in $(find . -name $DGFF) ; do echo $file; grep -n "$DGLF" $file 2>&1; done | grep -v grep | grep "$DGLF" -B 1
}