Documentation

{ - group of the sed commands

= - write to standard output the current line number

a - append text following each line matched by address

b - transfer control to Label

c - replace the lines selected by the address with Text

d - delete line(s) from pattern space

D - delete (up to newline) of multiline pattern space

g - copy hold space into the pattern space

G - add newline followed by hold space into the pattern space

h - copy pattern space into hold space

H - add newline followed by pattern space into the hold space

i - insert Text before each line matched by address

l - list the pattern space, showing non-printing chars in ASCII

n - read next line of input into pattern space

N - add next input line and newline into pattern space

p - print the addressed line(s)

P - print (up to newline) of multiline pattern space

q - quit when address is encounterd

r - add contents of file to the pattern space

s - substitute Replacement for Pattern

t - branch to line marked by :label if substitution was made

w - write the line to file if a replacement was done

x - exchange pattern space with hold space

y - transform each char by position in Text to Text

: - label a line in the scipt for transfering by b or t.

n" in the first line

• ignore spaces