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Solaris8 = How to format this df -k | awk

 
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# 1  
Old 04-09-2015
Solaris8 = How to format this df -k | awk
Hi,

Unfortunately, we still have Solaris 8 to support and it does not support df -h so I am stucked with having to use df -k. UNIX shell is ksh.

Example of df -k run is below:

Code:
 
$ df -k /db/test01 | awk '{ print }'
 
Filesystem            kbytes    used   avail capacity  Mounted on
server01:/vol/vol15/test01 18874368 8100728 10773640    43%    /NAS/server01/vol15/test01

To get the output in GB. I did as below

Code:
 
 
$ df -k /db/test01 | awk '{printf "%-35s %-10s %-10s %-10s %10s %-s\n",$1,$2/1024/1024,$3/1024/1024,$4/1024/1024,$5,$6}'
 
Filesystem                          0          0          0            capacity Mounted
server01:/vol/vol15/test01          18         7.72546    10.2745           43% /NAS/server01/vol15/test01

What do I do to get an output to something like below?

Code:
 
Filesystem                          GBytes     used       avail        capacity Mounted
server01:/vol/vol15/test01          18         7.72546    10.2745           43% /NAS/server01/vol15/test01
 
- OR-
 
==============================      =========  =======    =========   ========= ===========================
Filesystem                          GBytes     used       avail        capacity Mounted
==============================      =========  =======    =========   ========= ===========================
server01:/vol/vol15/test01          18         7.72546    10.2745           43% /NAS/server01/vol15/test01

I am wanting to put this as an alias too so I did as below but it does not seem to work. Does that mean I have to put it in a function file then create the alias instead of doing a direct alias?

Code:
$: alias mydf="DF() { df -k ${1-/tmp} | awk '{ print }' }; DF $1"
$: alias | grep DF
mydf='DF() { df -k /tmp | awk '\''{ print }'\'' }; DF '
$: mydf
>

Any advice will be much appreciated. Thanks.
Last edited by newbie_01; 04-09-2015 at 03:25 AM.. Reason: Need to add more information
# 2  
Old 04-09-2015
There's umpteen ways to skin this cat. Try this
Code:
df -k | awk 'NR==1 {CNV=1024*1024;FMT="%-15s %-10s %-10s %-10s %10s %-s\n"; printf FMT, $1, $2, $3, $4, $5, $6; next} {printf FMT,$1,$2/CNV,$3/CNV,$4/CNV,$5,$6}'

---------- Post updated at 13:58 ---------- Previous update was at 13:57 ----------

If you want to supply parameters, it has to be a function definition. You don't need an alias to call a function.
This User Gave Thanks to RudiC For This Post:
newbie_01
# 3  
Old 04-09-2015
Quote:
Originally Posted by RudiC
There's umpteen ways to skin this cat. Try this
Code:
df -k | awk 'NR==1 {CNV=1024*1024;FMT="%-15s %-10s %-10s %-10s %10s %-s\n"; printf FMT, $1, $2, $3, $4, $5, $6; next} {printf FMT,$1,$2/CNV,$3/CNV,$4/CNV,$5,$6}'

---------- Post updated at 13:58 ---------- Previous update was at 13:57 ----------

If you want to supply parameters, it has to be a function definition. You don't need an alias to call a function.

Thanks RudiC. 'Cheated' a little bit and make it like below:

Code:
 
df -k /db/test01 | awk 'NR==1 {CNV=1024*1024;GBYTES="GBytes";FMT="%-15s %-10s %-10s %-10s %10s %-s\n"; printf FMT, $1, GBYTES, $3, $4, $5, $6; next} {printf FMT,$1,$2/CNV,$3/CNV,$4/CNV,$5,$6}'

BTW, as for using function, I think I should have say a subroutine instead maybe?

What I am trying to do is to emulate something I found in commandlinefu.com below which is finding big sized files.

Code:
 
alias bigfile='BIG() { cd ${2:-/u01/app/oracle} ; echo "`pwd` :: Finding files that are >= ${1-100}M ..." ; echo ; find . -size +${1:-100}M -ls; }; BIG $1 $2'

The bigfile alias works fine albeit ksh on RedHat Linux.

So I am wanting to do the simialr thing for the df -k | awk thing where I pass a first an argument but I am having problem passing a parameter / argument. Not sure if I've explained well what I am trying to achieve.

Thanks again for your reply.
 
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