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Special Forums UNIX Desktop Questions & Answers How to remove text in each line after hyphen? Post 302455106 by euspilapteryx on Monday 20th of September 2010 08:53:45 PM
Old 09-20-2010
Data 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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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)
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