遇到Contral-A ^A的分隔符： awk -F ‘\1’ ‘{print $1,$3}’ foo.log

awk ‘{print “\001\002\3\4\005\06\07”}’ bar.log |more

会得到： ^A^B^C^D^E^F^G ^A^B^C^D^E^F^G

参考： https://stackoverflow.com/questions/19227926/awk-doesnt-work-on-first-row-delimited-by-a