ani*_*ane 25
很多种方法:
cut -d' ' -f1 <filename # If field separator is space
cut -f1 <filename # If field separator is tab
cut -d' ' -f1 <filename | cut -f1 # If field separator is space OR tab
awk '{print $1}' filename
while read x _ ; do echo $x ; done < filename
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