Linux with Notes

Wildcard and file name variables: *? []

* Enquiry

$ ls

Doc1 DOC2 Document MyDoc Monday

$ ls doc*

Doc1 DOC2 Document

$ ls *day

Monday

RM Delete

$ ls

Doc1 DOC2 Document MyDoc Monday

$ RM doc*

MyDoc Monday

? Only a single character that is missing from the file name can be matched

$ ls

Doc1 doc2 DocA DOCB Document

$ ls doc?

Doc1 doc2 DocA DOCB

[] histograms End--range has-

$ ls

Doc1 doc2 doc3 DocA DOCB Document

$ ls DOC[1A]

Doc1 DocA

$ ls Doc[1-3]

Doc1 doc2 DOC3

*+[] Combined with

$ ls

MAIN.C MIAN.O MAIN.G main.z

$ ls*. [CZ]

MAIN.C main.z

\ When a wildcard character of a query is actually part of a file name

$ ls

Answers? Answersy? Answersk?

$ ls answers\?---query? End of File

Answers?

Standard input and output and redirection > and >>

REDIRECT >

$ ls

MyData Intro Preface

$ ls > LISTF

$ cat LISTF

MyData Intro Preface LISTF

Filter

$ ls

Doc

Linux with Notes