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.Dt ohazot_sed
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.Bd -literal -compact
       _                    _   
  ___ | |__   __ _ _______ | |_ 
 / _ \\| '_ \\ / _` |_  / _ \\| __|
| (_) | | | | (_| |/ / (_) | |_ 
 \\___/|_| |_|\\__,_/___\\___/ \\__|
                                
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.El
.Dd Created:2025-10-03|Updated:2025-10-06
.Dt ohazot_sed
.Os OpenBSD linux
.Nm sed
.Nd usage and tips
.Sh SUBSTITUTION
.Sx back_to_top

.Bl -dash -compact
.It
replace old with new
.Dl s/old/new/
.It
replace all occurrences
.Dl s/old/new/g
.It
replace the second occurrence
.Dl s/l/p/2
.D1 example
.Dl echo "hello" | sed "s/l/p/2"
returns "helpo"
.El
.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
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.Ss OpenBSD manpages
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.Ss files
.In sed.oh
.Sh AUTHORS
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