“file1.txt”如下所示:
_1ss4TG actaaAAAACAAGTAAGCGTAATTCCTCCtagataataaaTTTACTAGTtata
osa-miR5523_L-1R+1 actaaAAAACAAGTAAGacatGAGGAGGAACATATTTACTAGTtata
ath-miR156a-5p ggaggTGACAGAatgcgtgctcaccctctatctgtcaccccc
我想在第三列打印UPPERCASE,所以它看起来像这样:
_1ss4TG actaaAAAACAAGTAAGCGTAATTCCTCCtagataataaaTTTACTAGTtata 33
osa-miR5523_L-1R+1 actaaAAAACAAGTAAGacatGAGGAGGAACATATTTACTAGTtata 34
ath-miR156a-5p ggaggTGACAGAatgcgtgctcaccctctatctgtcaccccc 7
我尝试过使用grep和awk,但我没有把它弄好。
答案 0 :(得分:2)
awk '{NF+=1;$3=length(gensub("[a-z]","","g",$2))}1' b
_1ss4TG actaaAAAACAAGTAAGCGTAATTCCTCCtagataataaaTTTACTAGTtata 33
osa-miR5523_L-1R+1 actaaAAAACAAGTAAGacatGAGGAGGAACATATTTACTAGTtata 34
ath-miR156a-5p ggaggTGACAGAatgcgtgctcaccctctatctgtcaccccc 7