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Full Discussion: [awk] Math & Bold-Font?
Top Forums Shell Programming and Scripting [awk] Math & Bold-Font? Post 302935091 by sea on Thursday 12th of February 2015 03:53:21 PM
Old 02-12-2015
Ok, so far so good, still stuck with if blocks...

4 Awk If Statement Examples ( if, if else, if else if, :? )
The AWK Manual - String Functions (guess this doesnt work because of nawk != awk)
But even when starting with the 'awk' manual, i end up: The GNU Awk User Smilie

Code:
	$AWK '/^#/ { next } ; 
	/^scrn/ { next } ;
	{ 
		bext="kb";
		bitrates=$3+$4;
		len=( length(bitrates) );
		if(len >= 4) 
			ext="mb"
			cut=len-3
			bitrates=substr(bitrates,1,cut);
			
		split($2, A, "x");
		pext="k";
		pixels=A[1] * A[2];
		len=( length(pixels) );
	#	if(len >= 7 )
	#		ext="bil"
	#		cut=len-6
	#		pixels=substr(pixels,1,cut);
	#	else
			if(len >= 4)
				ext="mil"
				cut=len-3
				pixels=substr(pixels,1,cut);
		
		print "\t* "BOLD$1RESET,$2 "   ",pixels pext,$3,$4,"~" bitrates bext,$5,$6" "$7" "$8" "$9" "$10" "$11" "$12" "$13" "$14" "$15;
		
	}' BOLD="\033[1m" RESET="\033[0m" UNDERLINE="\033[4m" OFS="\t" "$PRESETS"

Prints out as:
Code:
	  Label	Resolution 	Pixels	Vidbit	Audbit	Bitrate	1min	Comment
	* qvga	320x240   	76k	240	128	~kb	2.8mb	Quarter of VGA, mobile devices     
	* hvga	480x320   	153k	320	128	~kb	3.3mb	Half VGA, mobile devices      
	* nhd	640x360   	230k	512	192	~kb	5.2mb	Ninth of HD, mobile devices     
	* vga	640x480   	307k	640	192	~kb	6.1mb	VGA         
	* a-vga	640x480   	307k	512	192	~kb	5.2mb	VGA, optimized for anime cartoons     
	* wvga	768x480   	368k	768	192	~kb	7.6mb	Wide VGA        
	* dvd	720x480   	345k	720	256	~kb	7.2mb	DVD - PAL       
	* wdvd	720x576   	414k	800	256	~1kb	7.7mb	DVD-wide - Pal       
	* fwvga	854x480   	409k	768	256	~1kb	7.5mb	DVD-wide - NTCS, mobile devices     
	* hd	1280x720   	921k	1024	384	~1kb	10.1mb	HD aka HD Ready      
	* a-hd	1280x720   	921k	768	256	~1kb	8.5mb	HD, optimized for anime cartoons     
	* fhd	1920x1080   	2073k	1792	384	~2kb	16.7mb	Full HD        
	* a-fhd	1920x1080   	2073k	1280	256	~1kb	12.4mb	Full HD, optimized for anime cartoons    
	* qhd	2560x1440   	3686k	3072	448	~3kb	26.9mb	Quad HD - 4xHD      
	* uhd	3840x2160   	8294k	5120	512	~5kb	43.4mb	4K, Ultra HD TV

What confuses me is the diffrence between the pixel and bitrate columns - allthough the 'producing' codeblock is identical.

It should only cut off 3 numbers when there are at least 4 numbers, for the pixels it doesnt work, as in when i uncomment those lines checking for 'bil' values, it wont print any output at all.
And regarding the bitrate, i seem to not check it properly, what am i doing wrong?

Thank you

---------- Post updated at 21:44 ---------- Previous update was at 21:34 ----------

What i try to say/achieve:
All the highlighted k(b)'s should be m(b)'s.
The red ~ should be followed by 3 numbers for kb, and 'all' the megabyte number and followed by the mb string for numbers within that range.

---------- Post updated at 21:53 ---------- Previous update was at 21:44 ----------

@ RudiC, so focused on cutting of number of chars, that i forgot to do the math Smilie
However, i would need to limit the amount of decimals after the dot.
Output example:
Code:
# RAW: 0.359375
~0.359375mb

Desired:
Code:
# RAW: 0.3
# RAW: 10.0 ## or just 10
~0.3mb
~10.0mb

And since i already have problems cutting the right position of a integer number, i'm clueless where to start for this one.

Thank you

Last edited by sea; 02-12-2015 at 04:40 PM..
 

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