Shell Programming and Scripting

I have a file (say file.txt) with following entry (there are other entries in the file too)
F07812000166220070627012300 X
I have divided the string and assigned it to different variables in a script -file.script (I require these variables for certain validations). Eg : -
a=F07812
b=0001662
c=20070627
d=012300
e=
f=X

what i have to do is and add one to variable b (throught the script) and insert it in the begining of file.txt.
So i should get the following entries in the file : -

F07812000166320070627012300 X
F07812000166220070627012300 X

Can anyone help me with this please....???

I got how to do it...

Thanks !!!

Code:

FILE=/home/dir/ss

cat $FILE | cut -d"=" -f2 >/home/dir/ss/sss

for i in `cat /home/dir/ss/sss`
do
echo -n $i
done

You can try above code

Code:

mOrigLine=$a$b$c$d$e$f
b=$b+1
echo $a$b$c$d$e$f
echo $mOrigLine

if u say

b=$b+1 wont it be a string concat..?

and if u say b=`expr $b + 1 ` then if b=0000012 it print back as 13

how to retain the zeros

Pbsrinivas,
No. The OP says he wants to add one to the 'b' variable.
Thus the assumption is that 'b' is defined as integer:

Code:

typeset -i b

See the following code:

Code:

typeset -i b
typeset -Z7 bOut
b=123
bOut=$b
echo "b = "$b" bOut = "$bOut

Thanks for asking, Pbsrinivas.

this gives the following error

./a: line 2: typeset: -Z: invalid option
typeset: usage: typeset [-afFirtx] [-p] name[=value] ...
b = 123 bOut = 123

I am using AIX... Is that an issue..


And if we come to the oraginal post

i think
a=F07812
b=0001662
c=20070627
d=012300
e=
f=X

he has show as a b and c but if u just want to do like this...

F07812000166320070627012300 X to
F07812000166220070627012300 X


add one the number in BOLD feild?? how can we do that...

that is ... to the digits form 7 to 13 fields??