OT: scripting help - can you check a string for starts with?
John Summerfield
debian at herakles.homelinux.org
Wed Dec 19 06:58:59 UTC 2007
Tony Nelson wrote:
> At 8:48 PM -0500 12/18/07, James Pifer wrote:
>> Need a bit of scripting help. I have a very small script with a case
>> statement. The object of the case statement is derived from the
>> dmidecode command to determine the type of machine it is, if possible.
>> It works fine, but we're finding that a lot of the HP type machines
>> respond with a model number plus other information. For example, we
>> might get these two:
>>
>> HP Compaq dc7700 30GB6000
>> HP Compaq dc7700 60GB6000
Here's a real one.
Product Name: HP Compaq dc7700 Small Form Factor
>>
>> Those are completely made up, the point being that we want to match on
>> just "HP Compaq dc7700" and forget the rest.
> ...
>
> case $printername in
> "HP Compaq dc7700"*) echo "found $printername" ;;
> esac
<chortle>
the example's fine, but read again what he's looking at:-)
I have a bash book from Oreilly, it's good. Jacques has a newer edition
than mine.
I do lots of data extraction using grep, sed and awk. Can do almost
anything with those.
This illustrats a few key points of awk without being overly complicated
(or complete)
[root at potoroo ~]# dmidecode \
| awk -F : '/Product Name:/ {print $2}; /Manufacturer:/ {print $2}'
Hewlett-Packard
HP Compaq dc7700 Small Form Factor
Hewlett-Packard
0A54h
Hewlett-Packard
Intel
Intel
JEDEC ID
JEDEC ID
JEDEC ID
JEDEC ID
Not Specified
[root at potoroo ~]#
--
Cheers
John
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