System notes



sed.notes

Version date: Thu May 24 14:28:12 EDT 2012

SED notes from the Ultrix32 Supplementary Documents
Volume 1, General users
aa-bg66a-te
Page 3-105; (m) corcoran 26Jul1990

Command line flags:
-n tells sed not to copy all lines; but only those specified
by p functions or p flags after s functions.

-e tells sed to take the next argument as an editing command.

-f tells sed to take the next argument as a filename.
this file should contain editing commands, one per line.

Regular expressions:
enclosed in / /
^ matches leading null
$ matches trailing null
*, [] as usual
. matches any char except terminal newline
special chars:
^ $ . * [ ] \ /
literal quote char:= \


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