shell.scripts/bundleFiles at master · nickwells/shell.scripts · GitHub

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#!/bin/bash
# -*- ksh -*-

intro='    # '
bundleFile="bundle.out"
force=0

while [ $# -gt 0 ]
do
    case $1 in
	-b | -bundle-file)
			  ArgName="$1"
			  shift

			  if [ $# -gt 0 ] ; then
			      bundleFile="$1"
			  else
			      echo "a file name is expected after" $ArgName 1>&2
			      exit 1
			  fi
			  ;;
	-f | -force)
		     force=1
		     ;;
	-p | -prefix)
		      ArgName="$1"
		      shift

		      if [ $# -gt 0 ] ; then
			  intro="$1"
		      else
			  echo "an intro string is expected after" $ArgName 1>&2
			  exit 1
		      fi
		      ;;
	-h | -help)
	    echo "bundle [-f|-force] [-p|-prefix pfx] [-b|-bundle-file filename]"
	    exit 0
	    ;;
	*)
	    break
	    ;;
    esac
    shift
done

if [ $# -eq 0 ]
then
    echo "you must supply at least one filename"
    exit
fi

if [ -f "$bundleFile" ]
then
    if [ "$force" = 0 ]
    then
	echo "$bundleFile already exists use -force to overwrite it or -bundle-file <filename> to choose a new one"
	exit
    fi
fi

(
echo "#!/bin/bash"
echo '# -*- ksh -*-'
echo
echo "# This is a shell script that contains a number of files as HERE-scripts within"
echo
echo 'if [ "$1" = "-list" ] ; then'
for filename
do
    echo "    echo $filename"
done
echo "    exit"
echo 'fi'
echo 'if [ "$1" = "-help" ]'
echo 'then'
echo "    echo \"usage: ./$bundleFile -help           prints this message\""
echo "    echo \"       ./$bundleFile -list           lists the constituent files but does not unbundle them\""
echo "    echo \"       ./$bundleFile                 reconstructs the constituent files (unbundles them)\""
echo '    exit'
echo 'fi'

echo
echo "# To rename files change the second filename in the move line below and"
echo "# uncomment the line. You will also need to change the filename where it"
echo "# appears below"
echo
for filename
do
    echo "# mv $filename $filename"
done

echo
echo "# ======================================================================="
echo "# start of files"
echo "# ======================================================================="

for filename
do
   echo
   echo 'echo "unbundling           '$filename'"'
   dir=$(dirname $filename);
   if [ "$dir" != "" -a "$dir" != "." ]
   then
       echo "if [ -d '$dir' ]"
       echo "then"
       echo "    :"
       echo "else"
       echo "    mkdir -p $dir"
       echo "fi"
   fi
   echo "sed 's/^$intro//' << 'End of $filename' > $filename"
   sed "s/^/$intro/" $filename
   terminator=`/usr/bin/tail -1c $filename`
   if [ "$terminator" != "\
" ]
   then
       echo
       echo "adding a newline at the end of $filename" 1>&2
   fi
   echo "End of $filename"
done
) > $bundleFile

chmod +x $bundleFile