Try awk or perl. They can handle string manipulation from OS commands
simply and quickly. A simple awk script to take the first 16 characters of
the output of ls and put it into a data file follows:
gawk 'BEGIN { while ("ls" | getline) print substr($1,1,16) "| Report by
Hosts"}' > new.dat
Defry
----- Original Message -----
To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
Sent: Wednesday, July 25, 2001 10:26 AM
> I need to extract the first 16 bytes of a filename (AIX 4.3) which
consists of
> an IP address (nnn.nnn.nnn.nnn), and move that to first 16 positions in
the
> file itself, plus adding a pipe (|) sign for a delimiter, and save the IP
> address as a file name with a .dat extension, before loading the contents
into
> a table.
>
> My predecessor concocted the following:
>
> #!/usr/bin/ksh
> FN=$1
> IP=`echo $FN|cut -c1-16`
> sed "s/Report by Hosts/$IP| Report by Hosts/" $FN > newfile.dat
> #-- End of file
>
> which is great for a single file at a time.
>
> Right now I have to perform this surgery on 19 986 files, which is in one
> place.
> Using the script above would take me over 20 000 hours.
>
> Any way I can grab the files one at the time based on a ls command, and
invoke
> the script, and to end up when the last file has been processed.
>
> ALTERNATIVE:
>
> Each file contains the IP address which has to move into the first
position
> after a string on line 13 which you guessed it: is called 'IP Address:'.
Is
> their a way vi could be used to achieve the same result?
>
> Any input would be appreciated,
>
>
> Johan Muller
>
> __________________________________________________
> Do You Yahoo!?
> Make international calls for as low as $.04/minute with Yahoo! Messenger
> http://phonecard.yahoo.com/
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Johan Muller
> INET: [EMAIL PROTECTED]
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> San Diego, California -- Public Internet access / Mailing Lists
> --------------------------------------------------------------------
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in
> the message BODY, include a line containing: UNSUB ORACLE-L
> (or the name of mailing list you want to be removed from). You may
> also send the HELP command for other information (like subscribing).
>
--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Mustafa
INET: [EMAIL PROTECTED]
Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
San Diego, California -- Public Internet access / Mailing Lists
--------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from). You may
also send the HELP command for other information (like subscribing).
