qlmanage

Quick Look Server debug and management tool



     qlmanage -r

     qlmanage -m [name …]


     qlmanage -t [-d 1|2|3|4] [-x] [-i] [-s size] [-f factor] [-c contentTypeUTI [-g generator]] [file …]

     qlmanage -p [-d 1|2|3|4] [-x] [-c contentTypeUTI [-g generator]] [file …]

qlmanage -h

Test Quick Look generators and manage the Look Server.

 indicates com.apple.

table soerted by ???

-m

information on server

server: living for 0s (0 requests handled) - instant off: yes - arch: ARM64 - user id: 501

memory used: 0 MB (504624 bytes) - used descriptors: 19/256

plugins:

org.openxmlformats.presentationml.slideshow	-->	/System/Library/QuickLook/Office.qlgenerator (32)
com.adobe.pdf	-->	/System/Library/QuickLook/PDF.qlgenerator (622.7)
localized-pdf-bundle	-->	/System/Library/QuickLook/LocPDF.qlgenerator (622.7)
iwork.keynote.key	-->	/Library/QuickLook/iWork.qlgenerator (86)
application	-->	/System/Library/QuickLook/StandardBundles.qlgenerator (622.7)
ical.bookmark	-->	/System/Library/QuickLook/iCal.qlgenerator (622.7)
com.microsoft.word.doc	-->	/System/Library/QuickLook/Office.qlgenerator (32)
com.microsoft.powerpoint.pot	-->	/System/Library/QuickLook/Office.qlgenerator (32)
org.openxmlformats.wordprocessingml.template.macroenabled	-->	/System/Library/QuickLook/Office.qlgenerator (32)
iwork.keynote.sffkey	-->	/Library/QuickLook/iWork.qlgenerator (86)
ichat.ichat	-->	/System/Library/QuickLook/iChat.qlgenerator (4226)
notes.externalrecord	-->	/System/Library/QuickLook/Notes.qlgenerator (284)
com.microsoft.word.dot	-->	/System/Library/QuickLook/Office.qlgenerator (32)
iwork.keynote.sffkth	-->	/Library/QuickLook/iWork.qlgenerator (86)
org.openxmlformats.presentationml.template.macroenabled	-->	/System/Library/QuickLook/Office.qlgenerator (32)
keynote.key	-->	/Library/QuickLook/iWork.qlgenerator (86)
mail.email	-->	/System/Library/QuickLook/Mail.qlgenerator (1878.6)
iwork.pages.sfftemplate	-->	/Library/QuickLook/iWork.qlgenerator (86)
public.movie	-->	/System/Library/QuickLook/Movie.qlgenerator (622.7)
iwork.keynote.kth	-->	/Library/QuickLook/iWork.qlgenerator (86)
iwork.numbers.sffnumbers	-->	/Library/QuickLook/iWork.qlgenerator (86)
package	-->	/System/Library/QuickLook/Package.qlgenerator (622.7)
org.openxmlformats.wordprocessingml.document.macroenabled	-->	/System/Library/QuickLook/Office.qlgenerator (32)
iwork.pages.sffpages	-->	/Library/QuickLook/iWork.qlgenerator (86)
ical.ics	-->	/System/Library/QuickLook/iCal.qlgenerator (622.7)
org.oasis-open.opendocument.text	-->	/System/Library/QuickLook/Text.qlgenerator (622.7)
org.openxmlformats.wordprocessingml.template	-->	/System/Library/QuickLook/Office.qlgenerator (32)
ical.ics.event	-->	/System/Library/QuickLook/iCal.qlgenerator (622.7)
com.microsoft.excel.xlt	-->	/System/Library/QuickLook/Office.qlgenerator (32)
iwork.numbers.sfftemplate	-->	/Library/QuickLook/iWork.qlgenerator (86)
iwork.keynote.key-tef	-->	/Library/QuickLook/iWork.qlgenerator (86)
ibooksauthor.book	-->	/Library/QuickLook/iBooksAuthor.qlgenerator (1.0)
internet-location	-->	/System/Library/QuickLook/Clippings.qlgenerator (622.7)
com.rsa.pkcs-12	-->	/System/Library/QuickLook/Security.qlgenerator (55047)
org.openxmlformats.presentationml.slideshow.macroenabled	-->	/System/Library/QuickLook/Office.qlgenerator (32)
com.microsoft.word.stationery	-->	/System/Library/QuickLook/Office.qlgenerator (32)
public.x509-printable-encoded-archive	-->	/System/Library/QuickLook/Security.qlgenerator (55047)
public.xml	-->	/System/Library/QuickLook/Text.qlgenerator (622.7)
org.openxmlformats.wordprocessingml.document	-->	/System/Library/QuickLook/Office.qlgenerator (32)
rtfd	-->	/System/Library/QuickLook/Text.qlgenerator (622.7)
systempreference.prefpane	-->	/System/Library/QuickLook/StandardBundles.qlgenerator (622.7)
org.openxmlformats.spreadsheetml.template	-->	/System/Library/QuickLook/Office.qlgenerator (32)
keychain	-->	/System/Library/QuickLook/Security.qlgenerator (55047)
public.font	-->	/System/Library/QuickLook/Font.qlgenerator (622.7)
public.x509-certificate	-->	/System/Library/QuickLook/Security.qlgenerator (55047)
iwork.pages.template	-->	/Library/QuickLook/iWork.qlgenerator (86)
com.adobe.illustrator.ai-image	-->	/System/Library/QuickLook/EPS.qlgenerator (622.7)
public.vcard	-->	/System/Library/QuickLook/Contact.qlgenerator (622.7)
finder.textclipping	-->	/System/Library/QuickLook/Clippings.qlgenerator (622.7)
org.openxmlformats.presentationml.template	-->	/System/Library/QuickLook/Office.qlgenerator (32)
org.openxmlformats.spreadsheetml.template.macroenabled	-->	/System/Library/QuickLook/Office.qlgenerator (32)
iwork.numbers.numbers	-->	/Library/QuickLook/iWork.qlgenerator (86)
iwork.pages.pages	-->	/Library/QuickLook/iWork.qlgenerator (86)
ichat.transcript	-->	/System/Library/QuickLook/iChat.qlgenerator (4226)
mail.emlx	-->	/System/Library/QuickLook/Mail.qlgenerator (1878.6)
iconset	-->	/System/Library/QuickLook/Icon.qlgenerator (622.7)
addressbook.group	-->	/System/Library/QuickLook/Contact.qlgenerator (622.7)
property-list	-->	/System/Library/QuickLook/Text.qlgenerator (622.7)
addressbook.person	-->	/System/Library/QuickLook/Contact.qlgenerator (622.7)
safari.history	-->	/System/Library/QuickLook/Bookmark.qlgenerator (622.7)
public.html	-->	/System/Library/QuickLook/Web.qlgenerator (622.7)
iwork.numbers.template	-->	/Library/QuickLook/iWork.qlgenerator (86)
com.microsoft.powerpoint.pps	-->	/System/Library/QuickLook/Office.qlgenerator (32)
public.plain-text	-->	/System/Library/QuickLook/Text.qlgenerator (622.7)
safari.bookmark	-->	/System/Library/QuickLook/Bookmark.qlgenerator (622.7)
public.audio	-->	/System/Library/QuickLook/Audio.qlgenerator (622.7)
org.khronos.collada.digital-asset-exchange	-->	/System/Library/QuickLook/SceneKit.qlgenerator (197.5)
pict	-->	/System/Library/QuickLook/Clippings.qlgenerator (622.7)
public.xhtml	-->	/System/Library/QuickLook/Web.qlgenerator (622.7)
org.openxmlformats.presentationml.presentation.macroenabled	-->	/System/Library/QuickLook/Office.qlgenerator (32)
finder.pictclipping	-->	/System/Library/QuickLook/Clippings.qlgenerator (622.7)
ical.bookmark.todo	-->	/System/Library/QuickLook/iCal.qlgenerator (622.7)
iwork.numbers.numbers-tef	-->	/Library/QuickLook/iWork.qlgenerator (86)
webarchive	-->	/System/Library/QuickLook/Web.qlgenerator (622.7)
org.openxmlformats.presentationml.presentation	-->	/System/Library/QuickLook/Office.qlgenerator (32)
public.svg-image	-->	/System/Library/QuickLook/Web.qlgenerator (622.7)
public.image	-->	/System/Library/QuickLook/Image.qlgenerator (622.7)
org.openxmlformats.spreadsheetml.sheet	-->	/System/Library/QuickLook/Office.qlgenerator (32)
com.microsoft.excel.xls	-->	/System/Library/QuickLook/Office.qlgenerator (32)
org.openxmlformats.spreadsheetml.sheet.macroenabled	-->	/System/Library/QuickLook/Office.qlgenerator (32)
public.rtf	-->	/System/Library/QuickLook/Text.qlgenerator (622.7)
iwork.pages.pages-tef	-->	/Library/QuickLook/iWork.qlgenerator (86)
com.microsoft.powerpoint.ppt	-->	/System/Library/QuickLook/Office.qlgenerator (32)
public.comma-separated-values-text	-->	/System/Library/QuickLook/Office.qlgenerator (32)
ical.ics.todo	-->	/System/Library/QuickLook/iCal.qlgenerator (622.7)
com.adobe.encapsulated-postscript	-->	/System/Library/QuickLook/EPS.qlgenerator (622.7)

server life information
     server: living for 0s (0 requests handled) - instant off: yes - arch: X86_64 - user id: 501
memory memory consumption
     memory used: 0 MB (563984 bytes) - used descriptors: 20/256
burst statistics about the last burst
     last burst: none
threads concurrent accesses stats
     max concurrent requests: 0 threads (0 threads current)
other
     -none-

-t

displays generated thumbnails (if available) for the specified files.

sudo qlmanage -t server
sudo qlmanage -t server
Testing Quick Look thumbnails with files:
    server
2022-09-04 16:27:17.722 qlmanage[30240:1605033] *** CFMessagePort: bootstrap_register(): failed 1100 (0x44c) 
    'Permission denied', port = 0x9b07, name = 'com.apple.tsm.portname'
See /usr/include/servers/bootstrap_defs.h for the error codes.


Testing Quick Look thumbnails with files:
    server
[ERROR] Can't access file:///Volumes/DATA/dgerman/server: The file "server" couldn't be opened because there is no such file.

2016-01-23 10:22:49.833 qlmanage[47127:507] *** CFMessagePort: bootstrap_register(): failed 1100 (0x44c) 
    'Permission denied', port = 0x7327, name = 'tsm.portname' 
    See /usr/include/servers/bootstrap_defs.h for the error codes.

2016-01-23 10:22:49.837 qlmanage[47127:507] *** CFMessagePort: bootstrap_register(): failed 1100 (0x44c) 
    'Permission denied', port = 0x3d27, name = 'CFPasteboardClient' 
    See /usr/include/servers/bootstrap_defs.h for the error codes.

2016-01-23 10:22:49.837 qlmanage[47127:507] Failed to allocate communication port for 
            CFPasteboardClient; this is likely due to sandbox restrictions 
* No thumbnail created for /Volumes/DATA/dgerman/server 
Done producing thumbnails

-p displays generated previews for the specified files.

-r resets Server and all client's generator cache.

-h

    -d debugLevel   Integer between 1-4
    -p          Compute previews of the documents
    -t          Compute thumbnails of the documents
    -x          Use quicklookd (remote computation)
    -i          Compute thumbnail in icon mode
    -s size     Size for the thumbnail
    -f factor   Scale factor for the thumbnail
    -F factor   Scale factor for the thumbnail, draw downscaled and compare to 1x
    -z          Display generation performance info (don't display thumbnails)
    -o dir      Output result in dir (don't display thumbnails or previews)
    -r          Force reloading Generators list
    -r cache    Reset thumbnail disk cache
    -c contentType  Force the content type used for the documents
    -g generator    Force the generator to use

Plug-in to Quick Look are in the folder /Library/QuickLook/. (empty)

Wikipedia Quick Look

/var/folders/com.apple.QuickLook.thumbnailcache