.Dd Created:2025-10-03|Updated:2025-10-21|
.de ocsi
\\$*
,
..
.de oxr
.ocsi .Xr \\$*
..
.de oit
.It
\\$*
..
.de obdi
.Bl -dash -compact
.oit \\$*
..
.de obdl
.Bd -literal -compact
\\$*
..
.de onote
.Bl -hang -compact
.oit \\$*
.El
..
.de ocomm
.Bl -diag -compact
.oit \\$*
.El
..
.de opsy
.Pp
.Sy - \\$*
..
.de obc
.Bl -column \\$*
..
.de obc2
.obc opt desc
..
.de obc3
.obc option arguments description
..
.Dt SED oh
.Os OpenBSD 7.7 linux|
.Nm sed
.Nd usage and tips
.Sh SUBSTITUTION
.obc2
.It replace old with new Ta : Li  s/old/new/
.It replace all occurrences Ta : Li s/old/new/g
.It replace the second occurrence Ta : Li s/l/p/2
.El
.Ss Examples
.obdl $ echo \&"hello\&" | sed \&"s/l/p/\&"
heplo
$ echo "hello" | sed "s/l/p/g"
heppo
$ echo "hello" | sed "s/l/p/2"
helpo
.Ed
.Ss path variables
The typical separator is /, which can conflict with pathnames. An option is to use another character as a separtor, eg.: @ :
.Bd -literal -compact
echo "/some/path" | sed "s/\\/some\\/path/\\/other\\/directory/"
echo "/some/path" | sed "s@/some/path@/other/directory@"
.Ed
.Sh SEE ALSO
.Xr text_manipulation oh
.opsy OpenBSD manpages:
.Xr sed 1
.El
.Sh AUTHORS
.An -nosplit
.Xr ohazot oh |
.Xr about oh |
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.Aq Mt admin@ohazot.com