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Re: Simple Conditional execution in a script: msg#00025

editors.sed.user

Subject: Re: Simple Conditional execution in a script


On Thu, 08 Dec 2005 11:05:17 +0800, crmuser1998 wrote:

>
> We are trying to read a line from a file and generate a separate set
> of files based on the lines from that file,
>
> In most cases our source file has a number which tells us how many
> files to create, so we have to read from a file called 07122005.bak,
> which has just a number '25', we need to generate
> 07122005_1.bak ..07122005_25.bak
>

gsed solution:
A gun extension ('e' command) is used, so to run the following shell
script correctly you have to use gnu sed.
----filenamegenerater
# !/bin/bash
sed 's/.*/touch `seq -f'${1}'_%g 1 &`/;e' $1
----end
invoke:
./filenamegenerater 07122005.bak

As a complement, here is gawk solution (I guess this can work with
other awk clone as well):
gawk '{for (i=1;i<=$0;i++) printf ""> FILENAME"_"i".bak"}' 07122005.bak

--
Time for bed, see you!
hq00e



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