Do some learning...

ls /usr/bin | xargs whatis | grep -v nothing | less
no loop, only one call of grep, scrollable ("less is more", more or less...)

12
2010-01-26 12:59:47

4 Alternatives + Submit Alt

  • compgen -c finds everything in your path. Show Sample Output


    8
    whatis $(compgen -c) 2>/dev/null | less
    bashrc · 2013-02-01 00:03:33 2

  • 7
    for i in $(ls /usr/bin); do whatis $i | grep -v nothing; done | more
    Abiden · 2010-01-26 06:15:54 4
  • Just realized how needless the 'ls' has been... This version is also multilingual, since there is no need to grep for a special key word ("nothing"/"nichts"/"rien"/"nada"...). And it makes use of all the available horizontal space. Show Sample Output


    3
    whatis /usr/bin/* 2> /dev/null | less
    michelsberg · 2013-01-31 22:25:30 5
  • I like it sorted... 2> /dev/null was also needless, since our pipes already select stdin, only.


    2
    whatis $(compgen -c) | sort | less
    michelsberg · 2013-02-01 09:13:56 2

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