Awk
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+ | Awk, in the usual case, interprets each input line as a record and each word on that line, delimited byspaces or tabs, as a field. (These defaults can be changed.) One or more consecutive spaces or tabs count | ||
+ | as a single delimiter. Awk allows you to reference these fields, in either patterns or procedures. $0 | ||
+ | represents the entire input line. $1, $2, ... refer to the individual fields on the input line. | ||
+ | |||
+ | awk '{ print $1 }' list | ||
+ | John | ||
+ | Alice | ||
+ | Orville |
Version du 12 avril 2018 à 14:13
awk 'instructions' files
awk -f script files
Awk, in the usual case, interprets each input line as a record and each word on that line, delimited byspaces or tabs, as a field. (These defaults can be changed.) One or more consecutive spaces or tabs count as a single delimiter. Awk allows you to reference these fields, in either patterns or procedures. $0 represents the entire input line. $1, $2, ... refer to the individual fields on the input line.
awk '{ print $1 }' list John Alice Orville