grep

#!/usr/bin/env bash

## Cross-Platform Embedded Toolchain
## Grep edition (c) Suzanna Lucarotti 2017 as tired of not being able to find anything in this nest of folders
## evolved from bash file by Phil Crump 
## Freely distributable under the MIT license.

## finds a reference in the rats nest of uos3 files (I didn't design it this way, n needing to keep tiva drivers separate makes it a pita)


source_dir="$(cd $(dirname ${BASH_SOURCE[0]}) && pwd)"
cd $source_dir

opt_quiet=false
opt_sound=false
opt_verbose=false

COLOUR_GREEN='\033[0;32m'
COLOUR_YELLOW='\033[1;33m'
COLOUR_PURPLE='\033[0;35m'
COLOUR_RED='\033[0;31m'
COLOUR_OFF='\033[0;00m'
CLEAR_LINE='\033[2K'

_ERROR_="$COLOUR_RED[ERROR]$COLOUR_OFF"
_INFO_="$COLOUR_PURPLE[INFO]$COLOUR_OFF"
_DEBUG_="$COLOUR_YELLOW[DEBUG]$COLOUR_OFF"

stdin="/proc/$$/fd/0"
stdout="/proc/$$/fd/1"
stderr="/proc/$$/fd/2"
stdnull="/dev/null"

usage() {
    echo "Usage: find <reference>" >&2
}

print() {
    if ! $opt_quiet
    then
        echo -e $@ >&$stdout
    fi
}
print_err() {
    if ! $opt_quiet
    then
        echo -e $@ >&$stderr
    fi
}

print_help() {
  echo ""
  echo " Usage: grep <searchpattern> to search all uos3 structure for reference in *.c and *.h files"
  echo ""
  echo " Options:"
  echo ""
  echo " -h        Display this help and exit."
  echo " -q        Hide all messages apart from errors."
  echo " -v        Compile verbosely."
  echo ""
}

## Read Flags
OPTIND=1
while getopts ":hqv" opt; do
  case "$opt" in
    h) # Help
      print_help
      exit 0
      ;;
     q) # Quiet
      opt_quiet=true
      ;;
    v) # Verbose
      opt_verbose=true
      ;;
    ?) # Illegal Option
      print_err "$_ERROR_ Illegal option '$OPTARG'"
      print_help
      exit 3
      ;;
  esac
done
for i in `seq 2 $OPTIND`; do shift; done

## Read Arguments
search_string=$1


 ##echo searching for 'search_string
 print
 print "$_INFO_$COLOUR_YELLOW Searching files in Uos3 for : ${search_string}$COLOUR_OFF" 
 print
 grep -r -n -i -I --include="*.c" --include="*.h" --include="*.py" ${search_string} 
 print
 print "$_INFO_$COLOUR_GREEN Search Complete : ${search_string}$COLOUR_OFF" 
 print