Requests

I’ve got requests already for grep and awk info. I'm working on the grep stuff, should be out soon, honest. Apparently this shortage of round tuits should not last long. I'll see what I can do about awk; I know about one thing with awk, something along the lines of df| awk '{ print $5,$1,$6 }'

So; post comments here, if there's a particular *nix (particularly shell-based) hint or tip you would like to see.

WordPress doesn't seem to have any kind of facility for voting, so we'll just start with a simple "tell me what you want" system. If people want stuff, I'll try to post it (if I know it!)

7 Responses to Requests

  1. unixshell says:

    Well, it’s grep and awk so far.

    Regular Expressions seem to be the Theme of the Day.

    If I’ll be treating this thread is my in-tray, then these seem to be the first two entries.

    Feel free to add what you like; this could tend towards an academic bent (esoteric switches for ‘find’) or a sysadmin bent (“what is the difference between vxprint -th and vxprint -Ath?")

    Ask away, I'll see what I can do ...

  2. Shell Library Support says:

    Hi Steve,

    Recently a co-worker stated that the latest bash release supports shell libraries. I grabbed the latest version and saw no mention of shell libraries. Do you know anything about them? I assume Bash is using something similar to Perl like @INC.

    Thanks,
    Jay

  3. unixshell says:

    I suspect that he means that you can use a “library” file as in http://steve-parker.org/sh/functions.shtml :

    #!/bin/sh
    . library.sh

    myfunc

    Where library.sh defines myfunc:

    # No !/bin/sh stuff here
    function myfunc()
    {
    echo "Hello, World!"
    }

  4. bikash agrawal says:

    how to find the area of circle. and how to find the perimeter of circle. by shell programming of unix.

    how to find the sum of ‘n’ natural number.

  5. unixshell says:

    I’d be most inclined to use bc:

    bc 1.06
    Copyright 1991-1994, 1997, 1998, 2000 Free Software Foundation, Inc.
    This is free software with ABSOLUTELY NO WARRANTY.
    For details type `warranty’.
    pi=3.142
    radius=5
    pi * radius * radius
    78.550

  6. Jay Fink says:

    SHLIB – no, he meant that there is *some standard location* in a version of Bash. I will dig around and see if I can find it. In reality, if one just set a variable in the system wide profile like SHLIB=foo/ then you have accomplished the same thing :)

  7. S.Gayathri says:

    Please……………….. give the essential information alone…………………..dont waste time of people and students by writing stories

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