09-20-2010
How to remove text in each line after hyphen?
Hi, I'm trying to do something relatively simple.
I have a txt file that has the following kinds of lines (and many more lines):
CP19 Oahu - Maunawili Falls
CP20 Oahu - Maunawili Falls
AG12 Oahu - Maunawili Falls
CP22 Oahu - Maunawili Falls, Local area
AG14 Oahu
CP141 KZ102 Kauai - Kokee Milolii Road
CP142 MK1031 Kauai - Kokee Milolii Road
JW14 Oahu - Moana Lua
I would like to remove the text after each "-" in each line that has a hyphen.
In other words, I would like the output to look like:
CP19 Oahu
CP20 Oahu
AG12 Oahu
CP22 Oahu
AG14 Oahu
CP141 KZ102 Kauai
CP142 MK1031 Kauai
JW14 Oahu
I tried sed, but couldn't get it to work. Does anyone have an easy solution to this question?
Thanks
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LEARN ABOUT PHP
mb_encode_mimeheader
MB_ENCODE_MIMEHEADER(3) 1 MB_ENCODE_MIMEHEADER(3)
mb_encode_mimeheader - Encode string for MIME header
SYNOPSIS
string m0],n[int_m$indent]) (string $str, [string $charset = mb_internal_encoding()], [string $transfer_encoding = "B"], [string $line-
feed = "
DESCRIPTION
Encodes a given string$str by the MIME header encoding scheme.
PARAMETERS
o $str
- The string being encoded.
o $charset
-$charset specifies the name of the character set in which $str is represented in. The default value is determined by the current
NLS setting ( mbstring.language). mb_internal_encoding(3) should be set to same encoding.
o $transfer_encoding
-$transfer_encoding specifies the scheme of MIME encoding. It should be either "B" (Base64) or "Q" (Quoted-Printable). Falls back
to "B" if not given.
o $linefeed
-$linefeed specifies the EOL (end-of-line) marker with which mb_encode_mimeheader(3) performs line-folding (a RFC term, the act of
breaking a line longer than a certain length into multiple lines. The length is currently hard-coded to 74 characters). Falls back
to "
" (CRLF) if not given.
o $indent
- Indentation of the first line (number of characters in the header before $str).
RETURN VALUES
A converted version of the string represented in ASCII.
EXAMPLES
Example #1
mb_encode_mimeheader(3) example
<?php
$name = ""; // kanji
$mbox = "kru";
$doma = "gtinn.mon";
$addr = mb_encode_mimeheader($name, "UTF-7", "Q") . " <" . $mbox . "@" . $doma . ">";
echo $addr;
?>
NOTES
Note
This function isn't designed to break lines at higher-level contextual break points (word boundaries, etc.). This behaviour may
clutter up the original string with unexpected spaces.
SEE ALSO
mb_decode_mimeheader(3).
PHP Documentation Group MB_ENCODE_MIMEHEADER(3)