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Sorry for the inconvenience......much larger doesn't meant here that it can go to thousand or million lines...the above code is crafted on the basis of similar kind(datalins1.dat) of input...

yes the file (datalins1.dat) could be much larger......not necessary only 12 lines(for the above example only 12 lines).....but the format of the file would be always constant ( four fields separated...

complinagetest () #function name
{
if [ -f complins.dat ];then
rm complins.dat
fi
touch complins.dat
i=0
while read line
do
if [ $line == "SNA" ]; then

va=`grep -w "$line" datalins1.dat...

14`~abc`~9`~11
14`~abc`~9`~10
36`~ee`~7`~9
36`~ee`~8`~9
58`~rtt`~12`~7
70`~gff`~13`~8
86`~tyu`~6`~12
86`~tyu`~6`~13
92`~mjh`~5`~6
28`~jkl`~10`~DNA
32`~mjk`~SNA`~5
82`~jkli`~11`~DNA...

Hi,

When I use
eval cat "$line"
or
cat $(eval echo $line)
and my filename contains spaces - I get the following error - " No such file or directory"



For Ex:

-> cat...

Thanks a lot.
This worked.

Hi,
I have the following files.
->cat scr.sh
export TMP_DIR=/home/user/folder1
export TMP_DIR_2=/home/user/folder2
while read line
do
cat "$line"
done<file_list.dat
------------------------...