sed
: stream editor
(cont)
All editing commands can be qualified by line addresses or line selector patterns to limit lines where command is applied:
LineNo
selects the specified line
StartLineNo
,
EndLineNo
selects all lines between specified line numbers
/
RegExp
/
selects all lines that match
RegExp
/
RegExp1
/,/
RegExp2
/
selects all lines between lines matching reg exps