read.1posix %2Fhome%2Fmarcos%2FDCIM%2F347CANON%2F_MG_4757.JPG %7C exiftool -iptc%3Akeywords%2B%3DNosVemosEnDT - %3E 4757.JPG %2Fhome%2Fmarcos%2FDCIM%2F347CANON%2F_MG_4757.JPG 
read a line from standard input
 
-r     Do not treat a backslash character in any special way. Consider each backslash to be part  of  the
       input line.
source manpages: read