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convert ASCII TABs to ASCII SPACEs
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This commit is contained in:
Landon Curt Noll
112
help/fpathopen
112
help/fpathopen
@@ -5,11 +5,11 @@ SYNOPSIS
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fpathopen(filename, mode [,searchpath])
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TYPES
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filename string
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mode string
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searchpath string
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filename string
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mode string
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searchpath string
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return file
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return file
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DESCRIPTION
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This function opens the file named filename, potentially searching
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@@ -21,24 +21,24 @@ DESCRIPTION
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Absolute filenames, and filenames with an implied path are files
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that begin with:
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/ # absolute path
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./ # implied path through the current working directory
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../ # implied path through the current working directory parent
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~ # absolute path going through a home directory
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/ # absolute path
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./ # implied path through the current working directory
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../ # implied path through the current working directory parent
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~ # absolute path going through a home directory
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A search path is a :-separated list of directories used to search for
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a filename. For example:
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fpathopen("whey", "r", ".:/tmp:/var/tmp:~chongo/pub:~/tmp");
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fpathopen("whey", "r", ".:/tmp:/var/tmp:~chongo/pub:~/tmp");
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will cause this function to open the first readable file it
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files while searching through these paths in order:
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./whey
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/tmp/whey
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/var/tmp/whey
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~chongo/pub/whey
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~/tmp/whey
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./whey
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/tmp/whey
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/var/tmp/whey
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~chongo/pub/whey
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~/tmp/whey
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IMPORTANT NOTE:
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@@ -49,13 +49,13 @@ DESCRIPTION
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This call open "./fizzbin" for writing if the current directory is
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writable, even if "./fizzbin" did not previously exist:
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fpathopen("fizzbin", "r", ".:/tmp:/var/tmp:~chongo/pub:~/tmp");
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fpathopen("fizzbin", "r", ".:/tmp:/var/tmp:~chongo/pub:~/tmp");
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This call will likely open (and create if needed) for appending,
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the file "/tmp/log" assuming that the user is not allowed to
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create files in the previous system directories:
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fpathopen("log", "a", "/:/etc:/bin:/usr/bin:/tmp");
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fpathopen("log", "a", "/:/etc:/bin:/usr/bin:/tmp");
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The CALCPATH search path is taken from the $CALCPATH environment
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variable or if no such variable exists, a compiled in default search
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@@ -69,49 +69,49 @@ DESCRIPTION
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A file can be opened for either reading, writing, or appending.
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The mode is controlled by the mode flag as follows:
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allow allow file is positioned file(*)
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mode reading writing truncated at mode
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---- ------- ------- --------- --------- ----
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r Y N N beginning text
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rb Y N N beginning binary
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r+ Y N N beginning text
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r+b Y N N beginning binary
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rb+ Y N N beginning binary
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allow allow file is positioned file(*)
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mode reading writing truncated at mode
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---- ------- ------- --------- --------- ----
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r Y N N beginning text
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rb Y N N beginning binary
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r+ Y N N beginning text
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r+b Y N N beginning binary
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rb+ Y N N beginning binary
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w N Y Y beginning text
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wb N Y Y beginning binary
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w+ Y Y Y beginning text
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w+b Y Y Y beginning binary
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wb+ Y Y Y beginning binary
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w N Y Y beginning text
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wb N Y Y beginning binary
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w+ Y Y Y beginning text
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w+b Y Y Y beginning binary
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wb+ Y Y Y beginning binary
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a N Y Y end text
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ab N Y Y end binary
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a+ Y Y Y end text
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a+b Y Y Y end binary
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ab+ Y Y Y end binary
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a N Y Y end text
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ab N Y Y end binary
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a+ Y Y Y end text
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a+b Y Y Y end binary
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ab+ Y Y Y end binary
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(*) NOTE on 'b' / binary/text mode:
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The 'b' or fopen binary mode has no effect on POSIX / Linux
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/ Un*x-like systems. On those systems a text file is the
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same as a binary file (as it should be for any modern-day
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operating system). Adding 'b' to an fopen has no effect
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and is ignored.
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The 'b' or fopen binary mode has no effect on POSIX / Linux
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/ Un*x-like systems. On those systems a text file is the
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same as a binary file (as it should be for any modern-day
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operating system). Adding 'b' to an fopen has no effect
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and is ignored.
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Some non-POSIX systems such as MS Windows treat text files
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and binary files differently. In text mode MS Windows consider
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"\r\n" an end-of-line character. On an Apple MAC, the
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text mode end-of-line character is "\r".
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Some non-POSIX systems such as MS Windows treat text files
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and binary files differently. In text mode MS Windows consider
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"\r\n" an end-of-line character. On an Apple MAC, the
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text mode end-of-line character is "\r".
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Names of files are subject to ~ expansion just like the C or
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Korn shell. For example, the file name:
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Korn shell. For example, the file name:
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~/lib/fizbin
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~/lib/fizbin
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refers to the file 'fizbin' under the directory lib located
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in your home directory. The file name:
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~chongo/was_here
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~chongo/was_here
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refers to the a file 'was_here' under the home directory of
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the user 'chongo'.
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@@ -136,25 +136,25 @@ EXAMPLE
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; print fd
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"/etc/motd"
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; fd
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FILE 3 "/etc/motd" (reading, pos 0)
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FILE 3 "/etc/motd" (reading, pos 0)
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; fd2 = fpathopen("lucas.cal", "r")
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; print fd2
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"/usr/share/calc/lucas.cal"
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; fd2
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FILE 4 "/usr/share/calc/lucas.cal" (reading, pos 0)
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FILE 4 "/usr/share/calc/lucas.cal" (reading, pos 0)
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; fd3 = fpathopen("randmprime.cal", "r", calcpath())
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; print fd3
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"/usr/share/calc/randmprime.cal"
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; fd3
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FILE 5 "/usr/share/calc/randmprime.cal" (reading, pos 0)
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FILE 5 "/usr/share/calc/randmprime.cal" (reading, pos 0)
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; fd4 = fpathopen("output", "w", "~/tmp:/tmp:/var/tmp")
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; print fd4
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"/home/chongo/tmp/output"
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; fd4
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FILE 6 "/home/chongo/tmp/output" (writing, pos 0)
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FILE 6 "/home/chongo/tmp/output" (writing, pos 0)
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; !mkdir -p /tmp/log
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; !touch /tmp/log/file
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@@ -162,7 +162,7 @@ EXAMPLE
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; print logfile
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"/tmp/log/file"
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; logfile
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FILE 7 "/home/chongo/tmp/output" (writing, pos 0)
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FILE 7 "/home/chongo/tmp/output" (writing, pos 0)
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; badfile = fpathopen("no_such_file", "r")
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; if (!isfile(badfile)) print "error #" errno(badfile) : \
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@@ -188,7 +188,7 @@ SEE ALSO
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##
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## Calc is distributed in the hope that it will be useful, but WITHOUT
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## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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## Public License for more details.
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##
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## A copy of version 2.1 of the GNU Lesser General Public License is
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@@ -196,8 +196,8 @@ SEE ALSO
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## received a copy with calc; if not, write to Free Software Foundation, Inc.
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## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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##
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## Under source code control: 2006/05/07 23:56:04
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## File existed as early as: 2006
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## Under source code control: 2006/05/07 23:56:04
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## File existed as early as: 2006
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##
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## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
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## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
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## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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