JFIF  x x C         C     "        } !1AQa "q2 #B R $3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz        w !1AQ aq"2 B #3R br $4 % &'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz   ?  N m? j EP # readable.awk --- library file to skip over unreadable files # # Arnold Robbins, arnold@skeeve.com, Public Domain # October 2000 # December 2010 BEGIN { for (i = 1; i < ARGC; i++) { if (ARGV[i] ~ /^[a-zA-Z_][a-zA-Z0-9_]*=.*/ \ || ARGV[i] == "-" || ARGV[i] == "/dev/stdin") continue # assignment or standard input else if ((getline junk < ARGV[i]) < 0) # unreadable delete ARGV[i] else close(ARGV[i]) } }