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read input file for batch job

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# 1  
Old 02-16-2005
read input file for batch job
hi all,

I am a newbie in unix shell script. May I know how to write a bacth job to
read a list of files afrom the inout file and do the chmod ? Thanks.
i.e.
inside input.txt
====
a.txt
b.txt
c.txt

and I want to write a batch job to read the input .txt and do the chmod 755 for all 3 files in the input.txt

thx in advance!
# 2  
Old 02-16-2005
I don't understand - you stated in your other post about the exact same thing that you were going to use if statements - yet, you post the exact same question with no code. Either post the code you have been busy working on and questions about problems with it, or use the suggestions from the replies in your other post. Thanks.
# 3  
Old 02-16-2005
Hi kinmak,

If you want to grant full permissions mode to the files (777),your shell script should be as the following:

#! /bin/ksh
cat input.txt | while read line
do
chmod 777 $line >/dev/null 2>&1
done

Good luck!

Nir
# 4  
Old 02-16-2005
Quote:
Originally Posted by nir_s
Hi kinmak,

If you want to grant full permissions mode to the files (777),your shell script should be as the following:

#! /bin/ksh
cat input.txt | while read line
do
chmod 777 $line >/dev/null 2>&1
done

Good luck!

Nir
UUOC

Code:
while read line
do
  chmod 777 "${line}" >/dev/null 2>&1
done < input.txt

Last edited by Perderabo; 07-08-2007 at 04:38 PM.. Reason: Update UUOC URL
# 5  
Old 02-16-2005
kinmak, please read our rules and note in particular:
(4) Do not 'bump up' questions if they are not answered promptly. No duplicate or cross-posting and do not report a post where your goal is to get an answer more quickly.

I removed your duplicate post from that other thread.
# 6  
Old 02-16-2005
Bug
what about

Code:
chmod 777 `cat input.txt`

# 7  
Old 02-16-2005
Hi Vgersh99 ,
Thansk for yourr reply...
may I know what does this part of command mean >/dev/null 2>&1 ?

thx
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