Naheel-Azawy

#!/bin/sh
OLD=$(grep -rh '"app-id":' *.json | sed 's/[",]//g' | awk '{print $2}')
NEW=$1
OLD2="${OLD//./\\.}"
OLD3="${OLD//.//}"
OLD4="${OLD//./\\/}"
NEW4="${NEW//./\\/}"
for s in $(find -name "*$OLD*"); do mv $s "${s/$OLD/$NEW}"; done
for s in $(grep -rIl $OLD2); do sed -i "s/$OLD2/$NEW/g" $s; done
for s in $(grep -rIl $OLD3); do sed -i "s/$OLD4/$NEW4/g" $s; done

Naheel-Azawy

/*
  This program is an adaptation of the Mandelbrot program
  from the Programming Rosetta Stone, see
  http://rosettacode.org/wiki/Mandelbrot_set
  Compile the program with:
  gcc -o mandelbrot -O4 mandelbrot.c
  Usage:
 
  ./mandelbrot <xmin> <xmax> <ymin> <ymax> <maxiter> <xres> <out.ppm>
  Example: