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.\" ========================================================================
.\"
.IX Title "PICONV 1"
.TH PICONV 1 "2024-02-25" "perl v5.30.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.nh
.SH "NAME"
piconv \-\- iconv(1), reinvented in perl
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 6
\& piconv [\-f from_encoding] [\-t to_encoding]
\& [\-p|\-\-perlqq|\-\-htmlcref|\-\-xmlcref] [\-C N|\-c] [\-D] [\-S scheme]
\& [\-s string|file...]
\& piconv \-l
\& piconv \-r encoding_alias
\& piconv \-h
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBpiconv\fR is perl version of \fBiconv\fR, a character encoding converter
widely available for various Unixen today. This script was primarily
a technology demonstrator for Perl 5.8.0, but you can use piconv in the
place of iconv for virtually any case.
.PP
piconv converts the character encoding of either \s-1STDIN\s0 or files
specified in the argument and prints out to \s-1STDOUT.\s0
.PP
Here is the list of options. Some options can be in short format (\-f)
or long (\-\-from) one.
.IP "\-f,\-\-from \fIfrom_encoding\fR" 4
.IX Item "-f,--from from_encoding"
Specifies the encoding you are converting from. Unlike \fBiconv\fR,
this option can be omitted. In such cases, the current locale is used.
.IP "\-t,\-\-to \fIto_encoding\fR" 4
.IX Item "-t,--to to_encoding"
Specifies the encoding you are converting to. Unlike \fBiconv\fR,
this option can be omitted. In such cases, the current locale is used.
.Sp
Therefore, when both \-f and \-t are omitted, \fBpiconv\fR just acts
like \fBcat\fR.
.IP "\-s,\-\-string \fIstring\fR" 4
.IX Item "-s,--string string"
uses \fIstring\fR instead of file for the source of text.
.IP "\-l,\-\-list" 4
.IX Item "-l,--list"
Lists all available encodings, one per line, in case-insensitive
order. Note that only the canonical names are listed; many aliases
exist. For example, the names are case-insensitive, and many standard
and common aliases work, such as \*(L"latin1\*(R" for \*(L"\s-1ISO\-8859\-1\*(R",\s0 or \*(L"ibm850\*(R"
instead of \*(L"cp850\*(R", or \*(L"winlatin1\*(R" for \*(L"cp1252\*(R". See Encode::Supported
for a full discussion.
.IP "\-r,\-\-resolve \fIencoding_alias\fR" 4
.IX Item "-r,--resolve encoding_alias"
Resolve \fIencoding_alias\fR to Encode canonical encoding name.
.IP "\-C,\-\-check \fIN\fR" 4
.IX Item "-C,--check N"
Check the validity of the stream if \fIN\fR = 1. When \fIN\fR = \-1, something
interesting happens when it encounters an invalid character.
.IP "\-c" 4
.IX Item "-c"
Same as \f(CW\*(C`\-C 1\*(C'\fR.
.IP "\-p,\-\-perlqq" 4
.IX Item "-p,--perlqq"
Transliterate characters missing in encoding to \ex{\s-1HHHH\s0} where \s-1HHHH\s0 is the
hexadecimal Unicode code point.
.IP "\-\-htmlcref" 4
.IX Item "--htmlcref"
Transliterate characters missing in encoding to &#NNN; where \s-1NNN\s0 is the
decimal Unicode code point.
.IP "\-\-xmlcref" 4
.IX Item "--xmlcref"
Transliterate characters missing in encoding to &#xHHHH; where \s-1HHHH\s0 is the
hexadecimal Unicode code point.
.IP "\-h,\-\-help" 4
.IX Item "-h,--help"
Show usage.
.IP "\-D,\-\-debug" 4
.IX Item "-D,--debug"
Invokes debugging mode. Primarily for Encode hackers.
.IP "\-S,\-\-scheme \fIscheme\fR" 4
.IX Item "-S,--scheme scheme"
Selects which scheme is to be used for conversion. Available schemes
are as follows:
.RS 4
.IP "from_to" 4
.IX Item "from_to"
Uses Encode::from_to for conversion. This is the default.
.IP "decode_encode" 4
.IX Item "decode_encode"
Input strings are \fBdecode()\fRd then \fBencode()\fRd. A straight two-step
implementation.
.IP "perlio" 4
.IX Item "perlio"
The new perlIO layer is used. \s-1NI\-S\s0' favorite.
.Sp
You should use this option if you are using \s-1UTF\-16\s0 and others which
linefeed is not $/.
.RE
.RS 4
.Sp
Like the \fI\-D\fR option, this is also for Encode hackers.
.RE
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBiconv\fR\|(1)
\&\fBlocale\fR\|(3)
Encode
Encode::Supported
Encode::Alias
PerlIO