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06-26-2006
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Generating files of specific size
I've been working on getting a script to take size, dir name and file name variables from an input file and creating the same dir structure along with the file of specific size. An example of the input file: size/dirname/filename 2100/JAN_06/12345ABC.TCC 2354/FEB_06/24564XYZ.NOS 11240/MAR_06/1212ABAB.NCC I am able to get results with the following code: Code:
#!/bin/sh
set filesize=$1
set dirname=$2
set filename=$3
awk -F/ '{print $1,$2,$3}' os_listing.out | \
while read filesize dirname filename
do
mkdir $dirname
cd $dirname
dd if=test/inputfile of=$filename bs=1 count=$filesize
cd ..
done
The input file is just a file with random text that equals the size of the largest file this script will create. What I'm trying to figure out is how to add text of a fixed character length, specifically the file name inside each file when it's created, then have the dd command create the file of specific size. If I use any of the seek options with the dd command, it will just add onto the count size, which results in larger files. Please let me know if additional information is needed. Thank you in advance for any help and support. |
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