比如文件内容为:
hhhh gm01 111
xxxxx scaffold 22222
lllllllllll gmo3 44444
我想删除第二列为gm*的行?请求各位大侠帮忙~~
å¦æä¸å¹é gm*ä¹ä¸å¹é scaffoldå¢ï¼
追çawk '
if (($2 !~ /gm.*/) && ($2 !~ /scaffold/))
{
print;
}
' dat
å ä¸ä¸ä¸ªå¤æå°±è¡äº
ä¸å¹é
gm*åæ¶ä¸å¹é
scaffold
è®°å¾é纳åã
ççå¾æè°¢ä½ ï¼å¸®ä½ äºæå¾å¤§å¿ï¼ä½æ¯æå¨æä½çæ¶åé¤äºå é¤äºGm*çè¡ ä¹å é¤äºGlycine_*çè¡ï¼æä¹ä¸ç¥éæä¹åäºï¼ææ¯è¿æ ·åçcat soybean_22.sam|awk '$3!~/Gm*/{print;}'>>soybean_22.sam
追ç$3!~/Gm*/{print;}'>>soybean_22.sam
ä½ å¹é
çæ¯ç¬¬ä¸å段ï¼ä½ 确认没éï¼èä¸åºè¯¥æ¯ Gm.* ä¸æ¯Gm*
awk æ£å表达å¼å shelléé
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