趣味Shell

Richard M. Stallman大神是谁就不用说了，一时来了兴趣，想看看Linux系统下有多少程序有这位大神参与编写的。

先把所有命令导出到文件中，遍历所有命令，用man手册查一下并过滤Stallman关键词。

以下是脚本

#!/bin/bashi=0;touch Stallmanls /usr/local/sbin /usr/local/bin /usr/sbin /usr/bin /sbin /bin /usr/games > commandfor line in `cat command`doman $line | grep Richard\ M.\ Stallmanif [ $? -eq 0 ]theni=`expr $i + 1`echo $i $line >> Stallmanman $line | grep Richard\ M.\ Stallman >> Stallmanfidonerm command

我的系统是Ubuntu11.04的，查找到以下程序。

1 cat       Written by Torbjorn Granlund and Richard M. Stallman.2 dir       Written by Richard M. Stallman and David MacKenzie.3 ls       Written by Richard M. Stallman and David MacKenzie.4 rm       Written by Paul Rubin, David MacKenzie, Richard M. Stallman, and Jim Meyering.5 vdir       Written by Richard M. Stallman and David MacKenzie.6 comm       Written by Richard M. Stallman and David MacKenzie.7 gdb       `gdb'  entry  in  info;  Using GDB: A Guide to the GNU Source-Level Debugger, Richard M. Stallman and Roland H.8 gdbtui       `gdb'  entry  in  info;  Using GDB: A Guide to the GNU Source-Level Debugger, Richard M. Stallman and Roland H.9 split       Written by Torbjorn Granlund and Richard M. Stallman.10 tee       Written by Mike Parker, Richard M. Stallman, and David MacKenzie.11 uniq       Written by Richard M. Stallman and David MacKenzie.