elks-enhanced - XT-Emporium

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#!/bin/bash

function analyse() {
    sed 's/\#.*$//' | tr -cs '0-9_A-Za-z' '\n' | grep ^CONFIG_ | grep -v '_$'
}

function count() {
    fgrep -w "$1" | cut -d : -f 1 | uniq | wc -l
}

function files() {
    find * -type f ! -name CHANGELOG ! -name RELNOTES "$@"
}

function footer() {
    cat <<-.eof
	~~~  ~~~  ~~~  ~~~  ~~~  ~~~  ~~~~~~~~~~~~~~~~~~~~~~
	$1 found.

.eof
}

function header() {
    cat <<-.eof
	varhelp 1.0.0 configuration and help variable analyser
	Copyright (C) 2002, Riley Williams <Riley@Williams.Name>
	Released under the GNU General Public Licence, version 2 only.

	`date '+Last run on %A, %d %B %Y at %T %Z.'`

	Hlp   C   Asm  Cfg  Oth  Sum  Configuration Variable
	~~~  ~~~  ~~~  ~~~  ~~~  ~~~  ~~~~~~~~~~~~~~~~~~~~~~
.eof
}

function help() {
    local HELPFILE=config/Configure.help

    if [ ! -f "${HELPFILE}" ]; then
	echo 0
    else
	grep "^$1"'$' < "${HELPFILE}" | wc -l
    fi
}

function list() {
    files -name "$1" -print0 | xargs -0 grep ^
}

function process() {
    header
    vars | sort | uniq | tally
}

function tally() {
    local N=0 IN_C IN_S INHELP INCFG OTHER TOTAL

    while read VAR ; do
	INHELP=`help "${VAR}"`
	IN_C=`list '*.[ch]' | count "${VAR}"`
	IN_S=`list '*.[Ss]' | count "${VAR}"`
	INCFG=`list '*.in' | count "${VAR}"`
	TOTAL=`list '*' | count "${VAR}"`
	OTHER=$[${TOTAL}-${INHELP}-${IN_C}-${IN_S}-${INCFG}]
	printf '%3d  %3d  %3d  %3d  %3d  %3d  %s\n' \
		${INHELP} ${IN_C} ${IN_S} ${INCFG} ${OTHER} ${TOTAL} "${VAR}" \
	    | sed 's/ 0 /   /g'
	N=$[$N+1]
    done
    footer $N
}

function vars() {
    local FILE

    files | while read FILE ; do
	analyse < "${FILE}"
    done
}

process 2>&1 | tee ${1:-varlist.tmp}

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