1 2printf '%s\n' 'a\ b c' | { read a b; printf '%s\n' "x${a}x${b}x"; } 3printf '%s\n' 'a b\ c' | { read a b; printf '%s\n' "x${a}x${b}x"; } 4printf '%s\n' 'a\:b:c' | { IFS=: read a b; printf '%s\n' "x${a}x${b}x"; } 5printf '%s\n' 'a:b\:c' | { IFS=: read a b; printf '%s\n' "x${a}x${b}x"; } 6printf '%s\n' '\ a' | { read a b; printf '%s\n' "x${a}x${b}x"; } 7printf '%s\n' '\:a' | { IFS=: read a b; printf '%s\n' "x${a}x${b}x"; } 8printf '%s\n' '\\' | { read a b; printf '%s\n' "x${a}x${b}x"; } 9printf '%s\n' '\\\ a' | { read a b; printf '%s\n' "x${a}x${b}x"; } 10printf '%s\n' '\\\ a' | { read -r a b; printf '%s\n' "x${a}x${b}x"; } 11