id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
work_eep7vspntreklkwr6szyrywkei	D. Spinellis	Tool Writing: A Forgotten Art?	2005.0	3	.pdf	application/pdf	2081	163	69	none of the six open source tools I found for collecting metrics fit the bill. Although none of the tools correctly calculated the classic Chidamber and Kemerer metrics in a straightforward way most included numerous bells and whistles, such as graphical interfaces, XML output, For my design ideal, I chose the filter interface found in most Unix-based tools. ■ Tools can accept input generated by other I created my metric tool, named ckjm tool operates on a list of compiled Java look at the tool's Web site for specific examples). Ant Java-based build tool and adding an With the proposed enhancements, the tool's source code imports six different Ant classes, creating a dependency between one general-purpose tools would require a change in ckjm. a more general tool Adapting a tool for XML output is If a tool's output format changes, Using Unix tools, if we want	./cache/work_eep7vspntreklkwr6szyrywkei.pdf	./txt/work_eep7vspntreklkwr6szyrywkei.txt