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Test Your Knowledge in Computers #428
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JavaScript supports regular expressions in a manner similar to Perl.
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realpath(1) [x11r4 man page]

REALPATH(1)                                                        User Commands                                                       REALPATH(1)

NAME
realpath - print the resolved path SYNOPSIS
realpath [OPTION]... FILE... DESCRIPTION
Print the resolved absolute file name; all but the last component must exist -e, --canonicalize-existing all components of the path must exist -m, --canonicalize-missing no path components need exist or be a directory -L, --logical resolve '..' components before symlinks -P, --physical resolve symlinks as encountered (default) -q, --quiet suppress most error messages --relative-to=DIR print the resolved path relative to DIR --relative-base=DIR print absolute paths unless paths below DIR -s, --strip, --no-symlinks don't expand symlinks -z, --zero end each output line with NUL, not newline --help display this help and exit --version output version information and exit AUTHOR
Written by Padraig Brady. REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report realpath translation bugs to <http://translationproject.org/team/> COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
readlink(1), readlink(2), realpath(3) Full documentation at: <http://www.gnu.org/software/coreutils/realpath> or available locally via: info '(coreutils) realpath invocation' GNU coreutils 8.28 January 2018 REALPATH(1)

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READLINK(1)                                                        User Commands                                                       READLINK(1)

NAME
readlink - print resolved symbolic links or canonical file names SYNOPSIS
readlink [OPTION]... FILE... DESCRIPTION
Note realpath(1) is the preferred command to use for canonicalization functionality. Print value of a symbolic link or canonical file name -f, --canonicalize canonicalize by following every symlink in every component of the given name recursively; all but the last component must exist -e, --canonicalize-existing canonicalize by following every symlink in every component of the given name recursively, all components must exist -m, --canonicalize-missing canonicalize by following every symlink in every component of the given name recursively, without requirements on components exis- tence -n, --no-newline do not output the trailing delimiter -q, --quiet, -s, --silent suppress most error messages (on by default) -v, --verbose report error messages -z, --zero end each output line with NUL, not newline --help display this help and exit --version output version information and exit AUTHOR
Written by Dmitry V. Levin. REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report readlink translation bugs to <http://translationproject.org/team/> COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
readlink(2), realpath(1), realpath(3) Full documentation at: <http://www.gnu.org/software/coreutils/readlink> or available locally via: info '(coreutils) readlink invocation' GNU coreutils 8.28 January 2018 READLINK(1)

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