Shell Programming and Scripting

for file in /home/test/bharat/*.RET
do
 # Process file
 echo "File Name=" $file
 #l_fileName="${file##*/}"
 l_fileName=`basename ${file}`_P
 mv $file $l_fileName
 echo "New File Name= " $l_fileName
 #Remove special chracters from the file
 sed 's/[!@#\$%^&*()]//g' $l_fileName>$file

 mv -f $l_fileName /home/test/bharat/archive
 
#Loop throguh all the lines in the file and insert I in 180 position 
COUNT=0
while read -r line; do
    COUNT=$(( $COUNT + 1 ))
	echo "line " $line
    echo "Inside the file line count: " $COUNT
	sed 's/./I/180' $line
done < $file

done

cat file
1234567890ABCD
1234567890XYZ
1234567890PQR
1234567890LMN

sed -e '1{n};$!s/./&a/10' file

sed: Function 1{n};$!s/./&I/10 cannot be parsed.

#Loop throguh all the lines in the file and insert I in 180 position 
COUNT=0
while read -r line; do
    COUNT=$(( $COUNT + 1 ))
	echo "line " $line
    echo "Inside the file line count: " $COUNT
	sed -e '1{n};$!s/./&I/10' line
done < $file

XXXXXXXXXXXXXXXXXXXXXXXXXXXXX       293800206774        XXXXXXXXXXXXXXXXX      
10210496781000100293800206774   %     30095                    15962835
10210496781000100293800206774   $     34099                    17054579
10210496781000100293800206774   #     999                      00000000

sed -e '1{n};$!s/./&I/10' line

ls 
123.txt  456.txt  f1  f2

for file in *.txt
do
echo "File Name=" $file
sed '1{n};$!s/./&a/10' $file
done

-i

XXXXXXXXXXXXXXXXXXXXXXXXXXXXX 293800206774 XXXXXXXXXXXXXXXXX 
10210496781000100293800206774 % 30095 15962835
10210496781000100293800206774 $ 34099 17054579
10210496781000100293800206774 # 999 00000000

for file in /home/user/bharat/*.RET
do
echo "File Name=" $file
sed '1{n};$!s/./&a/10' $file
done

File Name= /home/user/bharat/CN01066C.RET
sed: Function 1{n};$!s/./&a/10 cannot be parsed.
File Name= /home/user/bharat/CN01067C.RET
sed: Function 1{n};$!s/./&a/10 cannot be parsed.

sed --version
sed (GNU sed) 4.2.2
GNU sed version 4.1.5

sed '1n;$!s/./&a/10' file