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Format the file by deleting empty field

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Top Forums Shell Programming and Scripting Format the file by deleting empty field
# 8  
Old 10-10-2010
for the general case (many columns) and using Perl:-


Code:
perl -F, -lane '
$i=0 ;
foreach  (@F) {
push @{$a[$i]},$_ if ( $_ =~ /\S+/ );
$i++ ;
}
END {
        for ($i=0;$i<=scalar(@{$a[0]});$i++) {
              $,="," ;
              print map { $a[$_]->[$i] } (0..scalar(@a)-1) ;
                       }
}'  infile.txt

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LEARN ABOUT NETBSD

dynamic_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