elks-enhanced - XT-Emporium

File editor

#!/bin/bash

function archive() {
    if printf '%s\n' bz2 gz Z z | grep "^${1}\$" > /dev/null ; then
	return 0
    else
	return 1
    fi
}

function desc() {
    local DESC='data file' EXT EXTN STEM

    EXTN=`basename "$1" | rev | cut -d . -f 1 | rev`
    EXT=`echo "$EXTN" | tr A-Z a-z`
    STEM=`basename "$1" ".$EXT"`

    case ".echo $EXT" in
	.arc)	DESC="arc'd archive"
		;;
	.arj)	DESC="arj'd archive"
		;;
	.bat)	DESC='MS-DOS batched command file'
		;;
	.bz2)	DESC=`desc "$STEM"`
		DESC="bzip2'd $DESC"
		;;
	.com)	DESC='MS-DOS command file'
		;;
	.exe)	DESC='MS-DOS executable file'
		;;
	.gz)	DESC=`desc "$STEM"`
		DESC="gzip'd $DESC"
		;;
	.htm)	DESC=`title "$2"`
		;;
	.html)	DESC=`title "$2"`
		;;
	.lha)	DESC="lha'd archive"
		;;
	.log)	DESC='Process log'
		;;
	.lst)	DESC='Listing file'
		;;
	.tar)	DESC="tar archive"
		;;
	.taz)	DESC="compress'd tar archive"
		;;
	.tbz)	DESC="bzip2'd tar archive"
		;;
	.tbz2)	DESC="bzip2'd tar archive"
		;;
	.tgz)	DESC="gzip'd tar archive"
		;;
	.txt)	DESC='text file'
		;;
	.[Zz])	DESC=`desc "$STEM"`
		DESC="compress'd $DESC"
		;;
	.zip)	DESC="zip'd archive"
		;;
    esac
}

function describe() {
    local DESC='' SIZE=$3 UNIT=1

    case ".$1" in
	.dir)	DESC=Subdirectory
		;;
	.file)	DESC=`desc "$2"`
		while [ $UNIT -lt 17 -a $SIZE -gt 999 ]; do
		    SIZE=$[$SIZE/1000]
		    UNIT=$[$UNIT+4]
		done
		UNIT=`echo '    KiloMegaGigaTera' | cut -b $UNIT- | cut -b -4`bytes
		DESC=`printf '%s (%u %s)' "$DESC" $SIZE $UNIT`
		;;
    esac
    echo "$DESC"
}

function entry() {
    /bin/ls -dl --full-time "$@" | tr -s ' ' | cut -d ' ' -f 5,7-10
}

function footer() {
    local NOW=`TZ=UTC date '+Last updated on %A, %d %B %Y, at %T %Z.'`
    declare -i N=$[`echo "${NOW}" | wc -c`/2]

    cat >&3 <<-.EOF
	</OL>

	<HR Width=95%>

	<P Align=Center>${NOW}</P>

	</Body>
	</HTML>
.EOF
	printf =========%s = = = = = = = '' >&4
	printf "\n\n%$[40-$N]s%s\n" ' ' "${NOW}" >&4
}

function header() {
    declare -i N=$[`echo "$@" | wc -c`/2]

    cat >&3 <<-.EOF
	<HTML>
	<Head>

	<Title>$*</Title>

	</Head>
	<Body BGColor=White Text=Black Link=Blue VLink=Magenta ALink=Red>

	<H1 Align=Center>$*</H1>

	<P Align=Justify>The following entries are to be found in this directory:</P>

	<OL>

.EOF
    printf "%$[40-$N]s%s\n\n" ' ' "$*" >&4
    printf 'The following entries are to be found in this directory:\n\n' >&4
}

function mkindex() {
    local ITEM SIZE
    declare -i N=0

    header "$@"
    for ITEM in `ls -1 | fgrep -vw CVS | sort | sort -f` ; do
	N=$N+1
	entry "$ITEM" | while read SIZE TIME ; do
	    TIME=`TZ=UTC date -d "$TIME" '+%A, %d %B %Y at %T %Z' | sed 's/ 0/ /g'`
	    if [ -f "$ITEM" ]; then
		DESC=`describe file "$ITEM" $SIZE`
		printf '<LI><A HRef="%s">%s</A>: %s last updated on %s.\n' \
			"$ITEM" "$ITEM" "$TIME" >&3
		printf '%5u.\t%s\n\tFile (%u bytes) last updated on %s.\n' \
			$N "$ITEM" $SIZE "$TIME" >&4
		echo ... "$ITEM" "($SIZE byte File)"
	    elif [ -d "$ITEM" ]; then
		DESC=`describe dir "$ITEM"`
		printf '<LI><A HRef="%s/">%s/</A>: %s last updated on %s.\n' \
			"$ITEM" "$ITEM" "$DESC" "$TIME" >&3
		printf '%5u.\t%s/\n\t%s last updated on %s.\n' \
			$N "$ITEM" "$DESC" "$TIME" >&4
		echo ... "$ITEM/" '(Subdirectory)'
	    fi
	done
    done
    footer "$@"
}

function title() {
    tr -s ' ' '\t' < "$1"				\
	| sed 's.<. <.g;s.>.> .g'			\
	| tr '\t /,' ' \n,/'				\
	| sed 's/[Tt][Ii][Tt][Ll][Ee]>/TITLE>/' 	\
	| sed '/^<TITLE>$/,/^<,TITLE>$/!d'		\
	| sed '/TITLE>/d'				\
	| tr ,/ /,
}

cat <<-.EOF
	Directory indexer v1.0.0
	Copyright (C) 2001, Memory Alpha,
	Released under the GNU General Public Licence, version 2 only.

Indexing `pwd` on this system:
.EOF
mkindex "$@" 3> 00-INDEX.html 4> 00-INDEX.txt
echo Finished.
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