Date: Wed, 12 Oct 2005 20:50:10 -0700 (PDT) From: Philip Hallstrom <freebsd@philip.pjkh.com> To: Peter Matulis <petermatulis@yahoo.ca> Cc: freebsd-questions <freebsd-questions@freebsd.org> Subject: Re: help with shell script Message-ID: <20051012204909.J78693@wolf.pjkh.com> In-Reply-To: <20051013031521.5468.qmail@web60021.mail.yahoo.com> References: <20051013031521.5468.qmail@web60021.mail.yahoo.com>
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> Hi. I am writing up a doc for the fbsd community that covers usage of
> ports. I have two commands that allow me to assertain the amount of
> disk space being utilized by currently installed ports. I would like to
> make a shell script (bourne or bash) out of them but I am not sure how.
>
> 1. This gives me the amount of space (kB) taken up by the 10 largest ports:
>
> $ pkg_info -as | grep ^[0-9] | sort -gr | head -10 | cut -c 1-6
>
> 2. Using one figure from above list I produce the details of the corresponding port:
>
> $ pkg_info -as | grep -B3 240695
>
> Output:
> ------------------------------------------------------
> Information for linux_base-8-8.0_6:
>
> Package Size:
> 240695 (1K-blocks)
> ------------------------------------------------------
>
> I would like the output of the script to be the above but for all ten ports (~40 lines; insert
> a blank line between each?). I know I need some sort of iteration but I am rusty on scripting.
> Can anyone help?
This should get you close... if you want only the top 10 just add more
pipes to the end with sort and head...
----------------------------------------------------
#!/bin/sh
newline='\
'
pkg_info -as | \
tr '\n' ' ' | \
sed -e 's/Package Size://g' \
-e "s/(1K-blocks)/$newline/g" |\
sed -e 's/^ *Information for //'
----------------------------------------------------
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