Update Nyquist Plug-in Installer
Now supports installing multiple plug-ins at the same time. Also supports .lsp and help files (.html and .txt).
This commit is contained in:
SteveDaulton
parent
1176b61953
commit
98a21259e0
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@ -6,10 +6,9 @@ $manpage "Nyquist_Plug-in_Installer"
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$debugbutton false
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$preview disabled
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$author "Steve Daulton"
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$release 2.3.1
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$release 2.4.0
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$copyright (_ "Released under terms of the GNU General Public License version 2")
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;; Released under terms of the GNU General Public License version 2:
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;; http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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;;
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@ -18,16 +17,17 @@ $copyright (_ "Released under terms of the GNU General Public License version 2"
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;i18n-hint: "Browse..." is text on a button that launches a file browser.
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$control plug-in (_ "Select plug-in file") file (_ "Browse...") "~/Desktop/" "Plug-in|*.ny;*.NY|Text file|*.txt;*.TXT|All files|*.*;*" "open,exists"
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;; As this plug-in is intended primarily to help novice users, it is unsafe to allow overwriting.
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;$control overwrite (_ "If plug-in is already installed") choice ((_ "Keep original") (_ "Overwrite")) 0
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(if (not (boundp 'overwrite))
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(setf overwrite 0))
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$control files (_ "Select plug-in file") file (_ "Browse...") "~/Desktop/" "Plug-in|*.ny;*.NY|Lisp file|*.lsp;*.LSP|HTML file|*.htm;*.HTM;*.html;*.HTML|Text file|*.txt;*.TXT|All supported|*.ny;*.NY;*.lsp;*.LSP;*.htm;*.HTM;*.html;*.HTML;*.txt;*.TXT|All files|*.*;*" "open,exists,multiple"
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$control overwrite (_ "Allow overwriting") choice ((_ "Disallow") (_ "Allow")) 0
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(defun audacity-version-ok (min-version)
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;; No longer required as this plug-in is shipped with Audacity.
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;; Left in for illustration purposes.
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;; min-version is a list of three numbers (the minimum Audacity version number).
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;; Example, if the minimum version required is Audacity 2.4.0, then
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;; call (audacity-version-ok '(2 4 0))
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;; Treturns t if plug-in is running on 2.4.0 or later, otherwise nil.
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(cond
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((get '*audacity* 'version)
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(mapc (lambda (x y)
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@ -40,37 +40,41 @@ $control plug-in (_ "Select plug-in file") file (_ "Browse...") "~/Desktop/" "Pl
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(or (not (boundp 'isok)) isok))
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(t nil)))
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;; Extract file name and extension from fully qualified file name.
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(defun get-file-name (fqname &aux (fname ""))
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;; Return file name . extension from fully qualified file name.
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(dotimes (i (length fqname) fname)
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(if (char= (char fqname i) *file-separator*)
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(setf fname "")
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(setf fname (format nil "~a~a" fname (char fqname i))))))
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;; Predicate, is file name
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(defun isfilename (fname)
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;; Return t if fname looks like valid file name, else nil.
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(let ((ln (length fname)))
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(cond
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((= ln 0) nil)
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((char= (char fname (- ln 1)) *file-separator*) nil)
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(t t))))
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;; Predicate, file exists.
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(defun existsp (fname)
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;; Return t if file exists, else nil.
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(let ((fp (open fname)))
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(cond
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(fp (close fp) t)
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(fp (close fp)
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;overwrite: 0=disallow, 1=allow, 2=is overwriting.
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(when (= overwrite 1)
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(setf overwrite 2))
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t)
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(t nil))))
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;Predicate, file is writeable.
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(defun writeablep (fname)
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;; Return t if file is writeable.
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(let ((fp (open fname :direction :output)))
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(cond
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(fp (close fp) t)
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(t nil))))
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;; Copy from input file to output file.
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(defun copy-file (input output)
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;; Copy from input file to output file.
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(let ((ifp (open input :direction :input))
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(ofp (open output :direction :output)))
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(do ((line (read-line ifp)(read-line ifp)))
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@ -79,8 +83,44 @@ $control plug-in (_ "Select plug-in file") file (_ "Browse...") "~/Desktop/" "Pl
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(close ifp)
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(close ofp)))
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;;Predicate, looks like a Nyquist plug-in.
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(defun isplugin (fname)
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(defun issupported (fname)
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;; Return true if it looks like a supported file.
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;; For .lsp and .html files, we only check the file extension.
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;; For .ny files, we have additional sanity checks that it is a
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;; plug-in and not just a Nyquist Prompt script.
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(let ((goodfname (fix-ext fname)))
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(cond
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((check-ext goodfname ".lsp") t)
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((check-ext goodfname ".htm") t)
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((check-ext goodfname ".html") t)
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((check-ext goodfname ".txt") t)
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((not (check-ext goodfname ".ny")) nil)
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((has-plugin-header fname) t)
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(t nil))))
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(defun check-ext (fname ext)
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;; Return true if fname has extension ext.
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(let* ((fnameln (length fname))
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(extln (length ext))
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(restln (- fnameln extln)))
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(cond
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((< fnameln (1+ extln)) nil) ;too short to be valid
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((string-equal (subseq fname restln fnameln) ext) t)
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(t nil))))
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(defun fix-ext (fname)
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;; If string ends in ".ny.txt" or ".lsp.txt", strip off ".txt"
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(macrolet ((striptxt (fname) `(setf ,fname (subseq ,fname 0 (- ln 4)))))
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(let ((ln (length fname)))
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(cond
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((and (> ln 8) (string-equal (subseq fname (- ln 8) ln) ".lsp.txt"))
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(striptxt fname))
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((and (> ln 7) (string-equal (subseq fname (- ln 7) ln) ".ny.txt"))
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(striptxt fname)))
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fname)))
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(defun has-plugin-header (fname)
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;; Return t if file looks like valid Nyquist plug-in, else nil.
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(let ((fp (open fname))
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(teststring "nyquist plug-in"))
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;First char may be #\; or #\$
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@ -102,43 +142,93 @@ $control plug-in (_ "Select plug-in file") file (_ "Browse...") "~/Desktop/" "Pl
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(close fp)
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nil))))
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;If string ends in ".ny.txt", replace with ".ny"
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(defun fix-ext (fname)
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(setf ln (length fname))
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(if (and (> ln 7)
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(string-equal (subseq fname (- ln 7) ln) ".ny.txt"))
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(subseq fname 0 (- ln 4))
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fname))
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(defun get-file-list (file-string)
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;; See https://wiki.audacityteam.org/wiki/Nyquist_File-Button_Tutorial#Open_Multiple_Files
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(let ((path-string (format nil "(list ~s )" (string-trim "\"" file-string))))
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(eval-string path-string)))
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(defun install (fname)
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;; Install file fname (fully qualified file name).
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;; Push result to list install-success or install-fail.
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(setf out-path (get '*system-dir* 'user-plug-in))
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(setf short-name (get-file-name fname))
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(cond
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((not (existsp fname))
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(format nil (_ "Error.~%~s not found or cannot be read.~%") short-name))
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((not (isplugin fname))
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(format nil (_ "Error.~%~s is not a supported plug-in.~%") short-name))
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(push (list 3 fname) install-fail))
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((not (issupported fname))
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(push (list 4 fname) install-fail))
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(t
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(setf short-name (fix-ext short-name))
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(setf out-fname
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(format nil "~a~a~a" out-path *file-separator* short-name))
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(cond
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((string-not-equal short-name ".ny" :start1 (- (length short-name) 3))
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(format nil (_ "Error.~%~s is not a valid Nyquist plug-in.~%") short-name))
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;; Check for fails
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((and (existsp out-fname) (= overwrite 0))
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(format nil (_ "Error.~%~s is already installed.~%") short-name))
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(push (list 5 short-name) install-fail))
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((not (writeablep out-fname))
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(format nil (_ "Error.~%~s cannot be written.~%") out-fname))
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(t
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(push (list 6 short-name) install-fail))
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;; Now the successes
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((check-ext short-name ".ny")
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(copy-file fname out-fname)
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(format nil (_ "~s installed to:~%\"~a\"~%~%~
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Use the Plug-in Manager to enable the effect.")
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short-name out-fname))))))
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(if (= overwrite 2)
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(push (list 1 short-name) install-success)
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(push (list 0 short-name) install-success)))
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(t (copy-file fname out-fname)
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(push (list 2 short-name) install-success))))))
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(defun print-results (&aux msg results)
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;; Format results and display in human readable form.
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(cond
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((isempty install-success)
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(setf msg (_ "Error.\n")))
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((isempty install-fail)
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(setf msg (format nil (_ "Success.~%Files written to:~%~s~%")
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(get '*system-dir* 'user-plug-in))))
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(t (setf msg (_ "Warning.\nFailed to copy some files:\n"))))
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(setf results (append install-success install-fail))
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(setf results (sort-results results))
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(let ((status -1))
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(dolist (m results msg)
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(when (/= (first m) status)
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(setf msg (format nil "~a~%~a~%" msg (status (first m))))
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(setf status (first m)))
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(setf msg (format nil "~a~a~%" msg (second m))))))
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(cond
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((or (not (boundp 'plug-in))(not (audacity-version-ok '(2 3 1))))
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(_ "This plug-in requires Audacity 2.3.1 or later."))
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((not (isfilename plug-in))
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(_ (format nil "Error.~%No file selected.")))
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(t (install plug-in)))
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(defun isempty (x)
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;;Return t if x is an empty list.
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(unless (listp x)
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(error "Not a list" x))
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(if (= (length x) 0) t nil))
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(defun isnotempty (x)
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(not (isempty x)))
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(defun status (num)
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;; Return status message corresponding to the installation status number.
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;; This allows result messages to be grouped according to installation status.
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(case num
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;; Success
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(0 (_ "Plug-ins installed.\n(Use the Plug-in Manager to enable effects):"))
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(1 (_ "Plug-ins updated:"))
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(2 (_ "Files copied to plug-ins folder:"))
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;; Fail
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(3 (_ "Not found or cannot be read:"))
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(4 (_ "Unsupported file type:"))
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(5 (_ "Files already installed ('Allow Overwriting' disabled):"))
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(6 (_ "Cannot be written to plug-ins folder:"))))
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(defun sort-results (results)
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;; 'results' are either 'install-success' or 'install-fail'.
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;; Each item in results is (list status file-name).
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;; Returns 'results' sorted by status number.
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(sort results #'(lambda (x y) (< (car x) (car y)))))
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;; Global lists
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(setf install-success ())
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(setf install-fail ())
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(let ((files (get-file-list files)))
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(if (= (length files) 0)
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(format nil (_ "Error.~%No file selected."))
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(dolist (file files (print-results))
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(install file))))
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