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Shell Programming and Scripting
Printing all combinations : Awk
Post 302199257 by jkl_jkl on Monday 26th of May 2008 08:12:21 AM
05-26-2008
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Dear all, could you please help me with awk please?
I have such input:
Input:
a d
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The number of lines is unknown before reading the file.
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Hi
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Input:
A|1
B|2
C|3
D|4
Output:
A+B|3
A+C|4
A+D|5
B+C|5
B+D|6
C+D|7
A+B+C|6
A+B+D|7
A+C+D|8
B+C+D|9
A+B+C+D|10
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hello,
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function comb(v,i) {
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delete A;
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comb((v?v"+":x)i)
else print v"+"i
A;
}
}
{ A }
END {
comb();
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LEARN ABOUT CENTOS
xcb_randr_get_crtc_gamma_reply
xcb_randr_get_crtc_gamma(3) XCB Requests xcb_randr_get_crtc_gamma(3) NAME
xcb_randr_get_crtc_gamma - SYNOPSIS
#include <xcb/randr.h> Request function xcb_randr_get_crtc_gamma_cookie_t xcb_randr_get_crtc_gamma(xcb_connection_t *conn, xcb_randr_crtc_t crtc); Reply datastructure typedef struct xcb_randr_get_crtc_gamma_reply_t { uint8_t response_type; uint8_t pad0; uint16_t sequence; uint32_t length; uint16_t size; uint8_t pad1[22]; } xcb_randr_get_crtc_gamma_reply_t; Reply function xcb_randr_get_crtc_gamma_reply_t *xcb_randr_get_crtc_gamma_reply(xcb_connection_t *conn, xcb_randr_get_crtc_gamma_cookie_t cookie, xcb_generic_error_t **e); Reply accessors uint16_t *xcb_randr_get_crtc_gamma_red(const xcb_randr_get_crtc_gamma_request_t *reply); int xcb_randr_get_crtc_gamma_red_length(const xcb_randr_get_crtc_gamma_reply_t *reply); xcb_generic_iterator_t xcb_randr_get_crtc_gamma_red_end(const xcb_randr_get_crtc_gamma_reply_t *reply); uint16_t *xcb_randr_get_crtc_gamma_green(const xcb_randr_get_crtc_gamma_request_t *reply); int xcb_randr_get_crtc_gamma_green_length(const xcb_randr_get_crtc_gamma_reply_t *reply); xcb_generic_iterator_t xcb_randr_get_crtc_gamma_green_end(const xcb_randr_get_crtc_gamma_reply_t *reply); uint16_t *xcb_randr_get_crtc_gamma_blue(const xcb_randr_get_crtc_gamma_request_t *reply); int xcb_randr_get_crtc_gamma_blue_length(const xcb_randr_get_crtc_gamma_reply_t *reply); xcb_generic_iterator_t xcb_randr_get_crtc_gamma_blue_end(const xcb_randr_get_crtc_gamma_reply_t *reply); REQUEST ARGUMENTS
conn The XCB connection to X11. crtc TODO: NOT YET DOCUMENTED. REPLY FIELDS
response_type The type of this reply, in this case XCB_RANDR_GET_CRTC_GAMMA. This field is also present in the xcb_generic_reply_t and can be used to tell replies apart from each other. sequence The sequence number of the last request processed by the X11 server. length The length of the reply, in words (a word is 4 bytes). size TODO: NOT YET DOCUMENTED. DESCRIPTION
RETURN VALUE
Returns an xcb_randr_get_crtc_gamma_cookie_t. Errors have to be handled when calling the reply function xcb_randr_get_crtc_gamma_reply. If you want to handle errors in the event loop instead, use xcb_randr_get_crtc_gamma_unchecked. See xcb-requests(3) for details. ERRORS
This request does never generate any errors. SEE ALSO
AUTHOR
Generated from randr.xml. Contact xcb@lists.freedesktop.org for corrections and improvements. XCB
2014-06-10 xcb_randr_get_crtc_gamma(3)