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Full Discussion: if, sed or awk with conditions
Top Forums Shell Programming and Scripting if, sed or awk with conditions Post 302400496 by ski on Wednesday 3rd of March 2010 10:28:08 AM
Old 03-03-2010
if, sed or awk with conditions
I do not know how to do this unless I use a bunch of if statements. I need a script to replace numbers in each record in a file. I am really getting tangled in this web.
If a fieldA (19 positions) is greater than 14 digits, I have to change the data (resulting fieldA is fixed 19 postions).
If there are preceding zeros. For example:
'000123456789012 ' would be changed to '123456789012 '
'001234567890123 ' would be changed to 1234567890123 '
'012345678901234 ' would be changed to 12345678901234 '
'123456789012345 ' would not be changed but would report error

I would appreciate any help or direction. Thanks.
 

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LEARN ABOUT REDHAT

wtouchln

curs_touch(3X)															    curs_touch(3X)

NAME

       touchwin, touchline, untouchwin, wtouchln, is_linetouched, is_wintouched - curses refresh control routines

SYNOPSIS

       #include <curses.h>
       int touchwin(WINDOW *win);
       int touchline(WINDOW *win, int start, int count);
       int untouchwin(WINDOW *win);
       int wtouchln(WINDOW *win, int y, int n, int changed);
       bool is_linetouched(WINDOW *win, int line);
       bool is_wintouched(WINDOW *win);

DESCRIPTION

       The  touchwin and touchline routines throw away all optimization information about which parts of the window have been touched, by pretend-
       ing that the entire window has been drawn on.  This is sometimes necessary when using overlapping windows, since a  change  to  one  window
       affects	the  other  window,  but  the records of which lines have been changed in the other window do not reflect the change.  The routine
       touchline only pretends that count lines have been changed, beginning with line start.

       The untouchwin routine marks all lines in the window as unchanged since the last call to wrefresh.

       The wtouchln routine makes n lines in the window, starting at line y, look as if they have (changed=1) or have not (changed=0) been changed
       since the last call to wrefresh.

       The is_linetouched and is_wintouched routines return TRUE if the specified line/window was modified since the last call to wrefresh; other-
       wise they return FALSE.	In addition, is_linetouched returns ERR if line is not valid for the given window.

RETURN VALUE

       All routines return the integer ERR upon failure and an integer value other than ERR upon successful completion, unless otherwise noted	in
       the preceding routine descriptions.

PORTABILITY

       The XSI Curses standard, Issue 4 describes these functions.

       Some  historic curses implementations had, as an undocumented feature, the ability to do the equivalent of clearok(..., 1) by saying touch-
       win(stdscr) or clear(stdscr).  This will not work under ncurses.

NOTES

       Note that all routines except wtouchln may be macros.

SEE ALSO

       curses(3X), curs_refresh(3X).

																    curs_touch(3X)
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