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How to read from a file line by line and do stuff

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# 1  
Old 03-17-2005
How to read from a file line by line and do stuff
I want to read from a file and then do some stuff based on the text read from each line. Basically it is a list of usernames and I need to read each user, check it exist in passwd and extract their home directory and then copy a few files to that users home directory. Then move onto the next user in the file. Is this possible ??
# 2  
Old 03-17-2005
for i in `cat filename.txt`
do
grep $i /etc/passwd
etc
etc
done
# 3  
Old 03-17-2005
Quote:
Originally Posted by spaceship
I want to read from a file and then do some stuff based on the text read from each line. Basically it is a list of usernames and I need to read each user, check it exist in passwd and extract their home directory and then copy a few files to that users home directory. Then move onto the next user in the file. Is this possible ??
Here's a quick and sloppy way of doing it in KSH.
Code:
{
typeset IFS='
'
while read USER_NAME
do
   USER_DIR=$(grep $USER_NAME /etc/passwd | awk -F: '{print $6}')                                                                                                 
   print $USER_DIR                                                                                                                                                 
done < /etc/passwd
}

This User Gave Thanks to tmarikle For This Post:
ektubbe
# 4  
Old 03-17-2005
Tools
Thank you both for your help. Sorted
This User Gave Thanks to spaceship For This Post:
ektubbe
# 5  
Old 03-17-2005
This will do

FileName='specify your file here'
while read LINE
do
echo $LINE
#do your stuff here
done < $FileName
These 2 Users Gave Thanks to chaandana For This Post:
ektubbe the.reverser
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