busybox.sh


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#!/bin/sh

RAW=` \
    gcc -E -dM ${1:-Config.h} | \
    sed -n -e '/^.*BB_FEATURE.*$/d;s/^#define.*\<BB_\(.*\)\>/\1.c/gp;' \
    | tr A-Z a-z | sort
`
test "${RAW}" != "" ||  exit
cd ${2:-.}
# By running $RAW through "ls", we avoid listing
# source files that don't exist.
ls $RAW 2>/dev/null | tr '\n' ' '