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Top Forums Shell Programming and Scripting submitting data during a program run Post 302148759 by Rob W on Monday 3rd of December 2007 03:38:17 PM
Old 12-03-2007
submitting data during a program run

I'm new to this and didn't know what my problem is called but here it is:

A program called "prepdata" is run which asks the user to enter in a <input> file for the data to be taken from. However, it won't accept that input filename as an argument:
$ prepdata <input> will NOT work

prepdata reads it from the user after prepdata is already running:
$ prepdata
Enter an input file:
<input>

$


I'd rather not attempt to edit the prepdata program for it to accept <input> as an argument. How can I get a script to "type" in the <input> filename when prepdata asks for it?
It's like I need the script to send raw keyboard input after a certain amount of time but I have no idea how to do that.
 

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INPUT(1)                                                      General Commands Manual                                                     INPUT(1)

NAME
input - Yagi-Uda project antenna defining program SYNOPSIS
input [ - h ] DESCRIPTION
The program input is one of a number of executable programs that forms part of a set of programs, collectively known as the Yagi-Uda project , which were designed for analysis and optimisation of Yagi-Uda antennas. input is an interactive program, that asks the user for information about a Yagi design, such as position of elements, spacing between elements, frequency span of interest and a filename to save the data to. input then writes this information into an ASCII file, which can be read by yagi or optimise The file is ASCII and it's for- mat is easily understood by inspection (there are comments printed in it), so it can if necessary be edited manually. After running input and specifying a filename (for example 144e10) you should then type yagi 144e10 and then output 144e10 and optionally optimise 144e10 OPTIONS
-h Print a help message. FILES
filename ASCII data file in which design is put. PLATFORMS
Both DOS and Unix versions have been built. The DOS version as distributed requires a 386 PC with a 387 maths coprocessor. AUTHORS
Dr. David Kirkby G8WRB (david.kirkby@onetel.net). with help with in converting to DOS/PC from Dr. Joe Mack NA3T (mack@fcrfv2.ncifcrf.gov) SEE ALSO
first(1), yagi(), output(1), optimise(1), input (5), first(5), yagi(5), output(5) and optimise(5). Bugs should be reported to david.kirkby@onetel.net. Bugs tend actually to be fixed if they can be isolated, so it is in your interest to report them in such a way that they can be easily reproduced. If a mistake is made during inputting of data (such as entering an incorrect length), it is not possible to go back and correct this. You should make a note of the error, and edit the ASCII text file with a text editor (vi, DOS edit etc). Version 1.16 24th October 2000 INPUT(1)
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