#!/bin/csh -f
# grep_all
# -----------------------------------------------------------------------------
# Shell script to grep all files in the specified directory
# -----------------------------------------------------------------------------
# Usage:  See Usage section below or run with -h or --help option to see usage.
# Assumptions:
# Effects:
# Notes:
# Implementation Notes:
# Portability Issues:
# Revision History:
#   $Log$
# -----------------------------------------------------------------------------

if ($#argv < 2 || "$1" == "-h" || "$1" == "--help") then
   echo "Usage: $0:t [options] directory grep_args...
   echo "Options:"
   echo "  -v = Verbose"
   echo "Examples:"
   echo "  $0:t"
   echo "  $0:t -h"
   echo "  $0:t --help"
   echo "  $0:t ~/bin -i abcdef"
   echo "  $0:t ~/bin -i -H abcdef"
   echo "  $0:t ~/bin -i -h abcdef"
   echo "  $0:t -v ~/bin -i -H abcdef"
   exit 1
endif

# Collect command line options
set verbose_option            = ""
while ($#argv > 0)
    if ("$1" == "-h" || "$1" == "--help") then
        shift
        # If help option was anywhere among the options, call recursively
        # with just that option, and exit.
        $0:t --help
        exit 1
    else if ("$1" == "-v") then
        shift
        set verbose_option = "true"
    else
        # Not a recognized option.  Assume it's the first parameter
        break
    endif
end
if ($#argv < 2) then
    beep "No grep args specified"
    $0:t --help
    exit 1
else if ($#argv < 1) then
    beep "No directory specified"
    $0:t --help
    exit 1
endif

set dir_name = $1:q
shift
if (! -d $dir_name) then
    echo "$dir_name is not a directory"
    exit 2
endif

if (`ls -1 $dir_name:q | wc -l` == 0) then
    echo "$dir_name is an empty directory"
else
    if ("$verbose_option" == "true") then
        echo "grep $* $dir_name:q/*"
    endif
              grep $* $dir_name:q/* 
endif
exit $status