IncludeTree

Simple #include dependency printer.

• Doesn't handle circular dependencies
• Searches for files in the current directory only

!/bin/sh

Prints a #include dependency tree

Reads arguments from either command line or stdin (but not both)

DEPTH=

extract_filename()
{
sed 's/\W*#include\W["<]([^">]*)[">].*$/\1/g'
}

extract_includes()
{
DEPTH="$DEPTH ";
while read current; do
echo "$DEPTH$current"
grep '#include' "$current" | extract_filename | extract_includes 2> /dev/null
done
}

read from commandline

for FILE in $@; do
echo "$FILE:"
echo "$FILE" | extract_includes
done

read from stdin

if [ -z $@ ]; then
extract_includes
fi

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