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reading file,looping and limitation

 
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Old 10-27-2011
reading file,looping and limitation
I have 2 functions on AIX.
Func_A () {
....
....
}
Func_B () {
....
....
}
And I have a abc.txt file (multiple lines) and I would like to read line by line and pass line by line to Func_A & Func_B.
once Func_A is done,pass same value to Func_B and in the mean time get second line from txt file and pass it to Func_A
and only 4 lines can be active any given moment.

Example
line_1 --> Func_A (done) ---> continue with Func_B (processing)
line_2 --> Func_A (done) ---> continue with Func_B (processing)
line_3 --> Func_A (done) ---> continue with Func_B (processing)
line_4 --> Func_A (done) ---> continue with Func_B (processing)

I want to wait until func_B is done for line_1 before I continue reading the line_5. Please let me know if I am not explain well?

Appreciate all the help in advance. Thanks
 
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LEARN ABOUT NETBSD

line

line(1)                                                            User Commands                                                           line(1)

NAME

       line - read one line

SYNOPSIS

       line

DESCRIPTION

       The  line utility copies one line (up to and including a new-line) from the standard input and writes it on the standard output. It returns
       an exit status of 1 on EOF and always prints at least a new-line. It is often used within shell files to read from the user's terminal.

EXIT STATUS

       Exit status is:

       0        Successful completion

       >0       End-of-file on input.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcsu                      |
       +-----------------------------+-----------------------------+

SEE ALSO

       sh(1), read(2), attributes(5)

SunOS 5.10                                                          1 Feb 1995                                                             line(1)