Shell Variables passed to awk to return certain rows
Hi Forum.
I have the following test.txt file and need to extract certain rows based on "starting position", "length of string" and "string to search for":
My script accepts 3 parameters: (starting col pos, length to search for, string to search for) and would like to pass these parameters for awk to extract the records.
Running the script as:
would return the first record from the file:
but code is not working and is returning the following error:
Please help.
Thanks.
Moderator's Comments:
Please use CODE tags for all sample input, sample output, and sample code segments.
Last edited by Don Cragun; 06-29-2015 at 07:04 PM..
Reason: Add CODE tags.
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Discussion started by: dev.devil.1983
3 Replies
LEARN ABOUT NETBSD
field_info
FORMS(3) BSD Library Functions Manual FORMS(3)NAME
dynamic_field_info, field_info -- form library
LIBRARY
Curses Form Library (libform, -lform)
SYNOPSIS
#include <form.h>
int
dynamic_field_info(FIELD *field, int *drows, int *dcols, int *max);
int
field_info(FIELD *field, int *rows, int *cols, int *frow, int *fcol, int *nrow, int *nbuf);
DESCRIPTION
The function dynamic_field_info() returns the sizing information for the field given. The function will return the number of rows, columns
and the maximum growth of the field in the storage pointed to by the drows, dcols and max parameters respectively. Dynamic field information
cannot be requested for the default field. If the field given is not dynamic then dynamic_field_info() will simply return the size of the
actual field. The field_info() will return the number or rows, columns, field starting row, field starting column, number of off screen rows
and number of buffers in rows, cols, frow, fcol, nrow and nbuf respectively.
RETURN VALUES
The functions will return one of the following error values:
E_OK The function was successful.
E_BAD_ARGUMENT A bad argument was passed to the function.
SEE ALSO curses(3), forms(3)NOTES
The header <form.h> automatically includes both <curses.h> and <eti.h>.
BSD January 1, 2001 BSD