Yadda ake duba duk ɓoyayyen bayanan PDF (Marubuci, Ranar ƙirƙira, Sauri, da sauran metadata da kaddarorin)
Yawancin fayilolin PDF suna ɗauke da ɓoyayyen bayanan da ba a iya gani lokacin karanta babban rubutu, kamar sunan marubuci na gaske, software da aka yi amfani da ita don gyara fayil ɗin, da kuma ainihin ranar ƙirƙira. Tare da wannan kayan aiki, zaku iya duba waɗannan bayanan sirri a cikin gida ta hanyar matakai masu sauƙi:
- Shigo da fayiloli: Danna kan yankin shigo da gradient ja a sama ko ja da ajiye fayilolin PDF na gida kai tsaye a cikin wannan yankin.
- Bincike na atomatik: Bayan shigo da shi, za a nuna jerin fayiloli. Injin PDF zai bincika metadata a gida a cikin burauzar ku shiru. Bayan an gama, za a nuna fafuna na "Metadata na PDF Info" da "Metadata na XMP XML" ta atomatik ga kowane fayil.
- Duba da Kwafi: A cikin nuna fafunan bayanan, zaku iya duba maɓallan kaddarorin daban-daban da ƙimarsu. Idan ya cancanta, danna maɓallin "Kwafi" a kusurwar sama na kowane panel don kwafi duk bayanan zuwa faifan allo tare da danna sau ɗaya.
Idan kuna son share waɗannan bayanan sirri har abada, danna maɓallin "Cire metadata & zazzage" a kusurwar sama na katin fayil ɗin. Bayan an aiwatar da shi, sabon sigar fayil ɗin PDF (wanda ba shi da ɓoyayyen metadata gaba ɗaya) za a sauke ta atomatik.
Duba ɓoyayyen bayani da kaddarorin metadata na fayilolin PDF da yawa a rukuni
Wannan kayan aikin yana goyan bayan sarrafa rukuni sosai. Kuna iya ja da ajiye ko zaɓi fayilolin PDF da yawa lokaci guda:
- Bayan shigo da shi, za a nuna jimillar adadi da kowane fayil. Ana nazarin metadata daban-daban ba tare da tsangwama ga juna ba.
- A cikin yanayin fayiloli da yawa, ban da tsaftacewa da sauke fayiloli ɗaya bayan ɗaya, maɓallin "Zazzage duka" kuma zai bayyana a saman jerin.
- Danna wannan maɓallin yana cire duk metadata na Info da rafukan XMP daga duk fayilolin da aka shigo da su cikin nasara, kuma a tattara su zuwa babban fayil na ZIP don saukewa.
Wadanne nau'ikan ɓoyayyen bayanai ne ke cikin PDF?
A cikin ƙayyadaddun bayanai na PDF, ana adana metadata galibi a cikin tsare-tsare biyu masu zaman kansu: tsarin gargajiya na PDF Info Dictionary da tsarin zamani na XMP (Extensible Metadata Platform). Fahimtar wannan yana taimaka muku sarrafa sirrin PDF ɗinku mafi kyau.
Metadata na PDF Info
Wannan ita ce hanya mafi daɗewa da kuma ta gargajiya ta adana metadata a cikin ƙayyadaddun bayanai na PDF. An haɗa shi da PDF Trailer ta hanyar nau'i-nau'i (kamus). Maɓallan daidaitattun maɓallan sun haɗa da:
| Daidaitaccen Maɓalli | Bayanani | Mahallin Fasaha |
|---|---|---|
Title | Sauri | Sunan batun fayil ɗin. |
Author | Marubuci | Yawancin lokaci sunan mai amfani na Office ko software na gyarawa (misali WPS) wanda ya ƙirƙiri fayil ɗin. |
Subject | Batu | Takaitaccen bayani kan abubuwan da ke cikin fayil ɗin PDF. |
Keywords | Mahimman kalmomi | Mahimman kalmomi da aka raba ta hanyar wakafi don bincike da adana takardu. |
Creator | Mai ƙirƙira | Sunan software da ta canza ainihin takaddar zuwa PDF (misali Microsoft Word). |
Producer | Mai samar da PDF | Babban injin da ya samar da byte na ƙarshe na PDF (misali Acrobat Distiller ko Microsoft® Word). |
CreationDate | Ranar ƙirƙira | Daidaitaccen lokacin da aka canza fayil ɗin zuwa PDF, yawanci yana ɗauke da bambancin yankin lokaci. |
ModDate | Ranar gyarawa | Lokacin gyara na ƙarshe ko adana fayil ɗin PDF. |
Trapped | Tutar trapping | Yana nuna ko an yi wa takaddar trapping (ƙimar True, False da sauransu). |
Kaddarorin al'ada waɗanda ba na al'ada ba kuma na iya bayyana a cikin wannan kamus ɗin. Misali, PDF da aka fitar daga tsarin kamfanoni sau da yawa suna rikodin nau'ikan maɓalli na al'ada kamar Company ko SourceID.
PDF XMP Metadata
XMP (Extensible Metadata Platform) tsarin metadata ne na zamani wanda Adobe ke goyan bayansa. Maimakon kamus mai sauƙi, yana tsara metadata azaman **XML rafin bayanai** da aka saka a cikin Catalog na PDF.
XMP yana dogara ne akan ƙayyadaddun bayanai na W3C RDF, yana ba da damar tsarin bayanai masu rikitarwa (misali bayanin harsuna da yawa, sigogin ISO na kyamara, da sanarwar haƙƙin mallaka). Koyaya, wannan yana nufin cewa PDF na iya ƙunshe da babban adadin cikakkun bayanan sirri. Lokacin kare fayiloli, share kamus ɗin Info kawai bai isa ba; dole ne ku share rafin XMP don cimma cikakken kariyar sirrin jiki.