.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 TR oh
.Os OpenBSD 7.7 linux|
.Nm tr
.Nd translate characters
.Sh OPTIONS
.Bl -column -offset indent ".Sy opt "
.It -d Ta delete characters
.It -s Ta squeeze repeats
.El
Characters can be specified as a character, class, range.
.Bl -column -offset indent ".Sy [:character class:] " ".Sy description "
.It class Ta : [:class:] Ta :alpha, alnum, digit, cntrl, upper, lower, print, space, punct.
.It range Ta : aA0-zZ9 (the beginning of the range is excluded).
.El
.Sh EXAMPLES
.Bd -literal -compact
$ echo "hello" | tr "l" "m"
hemmo
.Ed
.Ss control chacters
.obdl echo \&"hello\&" | tr 'e' '\en'
h
llo
.Ed
.Ss
.obdl echo 'hello' | tr 'l' '\et'
he              o
.Ed
.Ss character range
.obdl echo 'hello' | tr 'h-l' 'a-d'
aeddo
.Ed
.Ss Character classes
.obdl echo '1.hello\en2.goodbye' | tr '[:digit:]' 'a-c'
b.hello
c.goodbye
.Ed
.Sh TODO
.obdi check character range.
.oit check octal.
.oit check repetitions.
.El
.Sh SEE ALSO
.Xr text_manipulation oh
.opsy OpenBSD manpages:
.Xr tr 1
.El
.Sh AUTHORS
.An -nosplit
.Xr ohazot oh | 
.Xr about oh |
.Lk https://ohazot.com ohazot.com
.Aq Mt admin@ohazot.com