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Top Forums Shell Programming and Scripting How to convert a string into double in UNIX Post 302620329 by kalidass on Monday 9th of April 2012 12:37:30 AM
Old 04-09-2012
Thanks dude Smilie

---------- Post updated 04-09-12 at 10:07 AM ---------- Previous update was 04-08-12 at 10:27 AM ----------

One more problem. (Note: I dont have ksh93, working on ksh88)


Code:
%cat infile
1333553619.647
1333553620.859
1333553622.246
1333553623.470
1333553624.993
1333553627.028
1333553628.925
1333553629.531
1333553630.663
1333553630.684

I need to find out the difference of even and odd values. Say Value 2 - Value 1, Value 4 - Value 3, ... Value n - Value (n-1).

I have tried to check whether the code given by radoulov works for values 4 and 3 using
Code:
%sed 'N; s/\(.*\)\n\(.*\)/\4 - \3/' infile | bc



But it gave the error,
Code:
sed: Function N; s/\(.*\)\n\(.*\)/\4 - \3/ cannot be parsed.


I'm a newbie to UNIX. Pl help.

Last edited by Scrutinizer; 04-09-2012 at 04:16 AM.. Reason: some extra code tags
 

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merge_fonts(3alleg4)						  Allegro manual					      merge_fonts(3alleg4)

NAME
merge_fonts - Merges two fonts into one font. Allegro game programming library. SYNOPSIS
#include <allegro.h> FONT *merge_fonts(FONT *f1, FONT *f2) DESCRIPTION
This function merges the character ranges from two fonts and returns a new font containing all characters in the old fonts. In general, you cannot merge fonts of different types (eg, TrueType fonts and bitmapped fonts), but as a special case, this function can promote a mono- chrome bitmapped font to a color font and merge those. Example: FONT *myfont; FONT *myfancy_font; FONT *lower_range; FONT *upper_range; FONT *capitals; FONT *combined_font; FONT *tempfont; ... /* Create a font that contains the capitals from */ /* the fancy font but other characters from myfont */ lower_range = extract_font_range(myfont, -1, 'A'-1); upper_range = extract_font_range(myfont, 'Z'+1, -1); capitals = extract_font_range(myfancy_font, 'A', 'Z'); tempfont = merge_fonts(lower_range, capitals); combined_font = merge_fonts(tempfont, upper_range); /* Clean up temporary fonts */ destroy_font(lower_range); destroy_font(upper_range); destroy_font(capitals); destroy_font(tempfont); 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
extract_font_range(3alleg4), is_trans_font(3alleg4), is_color_font(3alleg4), is_mono_font(3alleg4), exfont(3alleg4) Allegro version 4.4.2 merge_fonts(3alleg4)
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