02-16-2009
Finding Unique strings which match pattern
I need to grep for a pattern in a file. Files are huge and have several repeated occurances of the strings which match pattern. I just need the strings which contain the pattern in the output.
For eg.
The contents of my file are as follows. The pattern I want to match by is ABCD
aaaaaaaaaa ABCD_EFGH_XYZ.Table_Name1 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
bbbbbbbbbb ABCD_EFGH_XYZ.Table_Name1 cccccccccccccccccccccccccccccccccccccccc
cccccccccccccccccccccccccccccccccc ABCD_EFGH_XYZ.Table_Name2 ddddddddddddddd
aaaaaaaaaa ABCD_XYZ_EFGH.Table_Name1 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
aaaaaaaaaa ABCD_XYZ_1234.Table_Name1 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
bbbbbbbbbb ABCD_EFGH_XYZ.ORDER_SUMM cccccccccccccccccccccccccccccccccccccccc
bbbbbbbbbb ABCD_EFGH_XYZ.PAYMENT_DETAIL cccccccccccccccccccccccccccccccccccccccc
bbbbbbbbbb ABCD_EFGH_XYZ.ORDER_SUMM cccccccccccccccccccccccccccccccccccccccc
What I want to get out of the file is the Unique strings which contain the pattern ABCD. Typically my output will be
ABCD_EFGH_XYZ.Table_Name1
ABCD_EFGH_XYZ.Table_Name2
ABCD_XYZ_EFGH.Table_Name1
ABCD_XYZ_1234.Table_Name1
ABCD_EFGH_XYZ.ORDER_SUMM
ABCD_EFGH_XYZ.PAYMENT_DETAIL
In real life, what I am trying to do is find the Tables which are referenced in a logfile.
Any guidance will be appreciated.
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LEARN ABOUT DEBIAN
extract_font_range
extract_font_range(3alleg4) Allegro manual extract_font_range(3alleg4)
NAME
extract_font_range - Extracts a range of characters from a font. Allegro game programming library.
SYNOPSIS
#include <allegro.h>
FONT *extract_font_range(FONT *f, int begin, int end)
DESCRIPTION
This function extracts a character range from a font and returns a new font that contains only the range of characters selected by this
function. You can pass -1 for either the lower or upper bound if you want to select all characters from the start or to the end of the
font. Example:
FONT *myfont;
FONT *capitals;
FONT *fontcopy;
...
/* Create a font of only capital letters */
capitals = extract_font_range(myfont, 'A', 'Z');
/* Create a copy of the font */
fontcopy = extract_font_range(myfont, -1, -1);
...
destroy_font(capitals);
destroy_font(fontcopy);
RETURN VALUE
Returns a pointer to the new font or NULL on error. Remember that you are responsible for destroying the font when you are finished with it
to avoid memory leaks.
SEE ALSO
get_font_range_begin(3alleg4), get_font_range_end(3alleg4), merge_fonts(3alleg4), transpose_font(3alleg4), exfont(3alleg4)
Allegro version 4.4.2 extract_font_range(3alleg4)