Shell Commands (具体Tutor代码)
解压文件: unzip tutorial_data_shell.zip 提取作者名: grep "Author" book*.txtList the word count: cat book1.txt 不解压操作压缩文件: cat hourly_44201_2014-06.csv.gz | gunzip | wc cat hourly_44201_2014-06.csv.gz | gunzip | head cat hourly_44201_2014-06.csv.gz | gunzip | tail 选择列的子集: cat hourly_44201_2014-06.csv.gz | gunzip | awk -F',' '{print $6,$7,$14}' | less