File indexing completed on 2024-04-14 05:33:34

 #!/bin/sh
 #
 # Copyright (c) 2018, Michal Policht. This file is dually licensed under terms of 
 # either WTFPL or BEER-WARE LICENSE. You may obtain the copy of WTFPL or BEER-WARE
 # LICENSE by googling it. NO WARRANTY. YOU WILL PAY ALL COSTS FOR ANY REPAIRS.
 #
 # A chain of commands to update header file include guard.
 #
 # usage: awkgward.sh awk_program header_file [prefix] [IORS]
 # example: awkgward.sh gawk header.hpp
 #
 # parameters:
 # awk_program - name of AWK implementation.
 # header_file - header file.
 # prefix - include guard prefix
 # IORS - input/output record separator (new lines style; typically: "\n" - unix mac "\r\n" - windows).
 #
 # required tools: sh, cut, grep, touch, stat, awk, echo, mv, awkgward.awk
 
 
 usage()
 {
     echo "usage: $0 awk_program header_file [prefix] [IORS]"
     echo "note: working directory from which this script is called"
     echo "      must be a directory containing awkgward directory."
 }
 
 if [ ! -e $2 ]; then
         echo $2 "does not exist"
         exit 1
 fi      
 
 if [ $# -lt 2 ]; then
     echo "error: too few arguments"
     usage
     exit 0
 fi
 
 if [ $# -gt 2 ]; then
     prefix=$3;
 else
     prefix=""
 fi
 
 if [ $# -gt 3 ]; then
     iors=$4;
 else
     iors="\n"
 fi
 
 awk_program=$1
 header_file=$2
 echo $header_file
 timestamp=`stat $header_file | grep 'Modify: ' | cut -d ' ' -f 2,3,4`
 $awk_program -v ORS="$iors" -v RS="$iors" -v prefix="$prefix" -f awkgward/awkgward.awk $header_file > $header_file.awkgward
 mv $header_file.awkgward $header_file
 touch -md "$timestamp" $header_file