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Top Forums Programming Substitute string using location (preferably perl). Post 302539439 by bartus11 on Sunday 17th of July 2011 01:37:38 PM
Old 07-17-2011
Assuming that your string is contained in a file:
Code:
perl -pe 'BEGIN{@x=(3,7,10,18,)};for ($i=0;$i<$#x;$i+=2){$_=((substr $_,0,$x[$i]-1)."C"x($x[$i+1]-$x[$i]+1).(substr $_,$x[$i+1]+1))}' file

 

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vga_addtiming(3)						Svgalib User Manual						  vga_addtiming(3)

NAME
vga_guesstiming - calculate a timing line for the given resolution SYNOPSIS
#include <vga.h> int vga_guesstiming(int x, int y, int clue, int arg); DESCRIPTION
Calculates a timing line for a x*y resolution, according to the value of clue. CALCULATION METHODS
If clue is 0, then the aspect ratio for the requested mode ( x:y ) must be 4:3. A mode with the same aspect ratio closest to the requested, while still having a higher resolution is found, and then scaled down to the requested mode. If clue is 1, then the aspect ratio for the requested mode ( x:y ) must be 4:3. A mode with the same aspect ratio closest to the requested, while still having a lower resolution is found, and then scaled down to the requested mode. BUGS
No guarantee that a modeline will be created, or that a created modeline will be usefull is given. SEE ALSO
vga_addmode(3) vga_addtiming(3) addmodetest(6) AUTHOR
This manual page was written by Matan Ziv-Av Svgalib (>;= 1.4.0) 7 April 1999 vga_addtiming(3)
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