Okuqukethwe
Ngiwathola kanjani amanani ahlukile wekholomu ku-Unix?
2 Okunye + Thumela i-Alt
- Bonisa amanani ayingqayizivele wekholomu. inombolo yekholomu ithi '6' cut -d',' -f6 file.csv | hlunga | ubunye. richie · 2013-04-10 14:05:32 1.
- Bonisa amanani ayingqayizivele wekholomu. 3 inombolo yekholomu. -3. sika -f 3 | ubunye. flxndn · 2012-06-06 10:48:41 2.
Ulithola kanjani inani eliyingqayizivele kukholamu?
Hlunga amanani ahlukile noma ususe amanani ayimpinda
- Ukuze uhlunge amanani ahlukile, chofoza Idatha > Hlunga & Hlunga > Okuthuthukile.
- Ukuze ususe amanani ayimpinda, chofoza Idatha > Amathuluzi Edatha > Susa Izimpinda.
- Ukugqamisa amanani ahlukile noma ayimpinda, sebenzisa umyalo Wokufometha Okunemibandela eqenjini leSitayela kuthebhu ethi Ikhaya.
Ngiwathola kanjani amarekhodi ahlukile ku-Unix?
Manje ake sibone izindlela ezihlukene zokuthola irekhodi eliyimpinda.
- Kusetshenziswa ukuhlunga kanye ne-uniq: $ hlunga ifayela | uniq -d Linux. …
- awk indlela yokulanda imigqa eyimpinda: $ awk '{a[$0]++}END{for (i in a)uma (a[i]>1)phrinta i;}' ifayela le-Linux. …
- Ukusebenzisa i-perl way:…
- Enye indlela ehlukile:…
- Umbhalo wegobolondo wokulanda / ukuthola amarekhodi ayimpinda:
Ngiwathola kanjani amanani ahlukile ku-Linux?
Uniq Command kuLINUX ngezibonelo
- I-Syntax yoMyalo we-uniq:…
- Izinketho Zomyalo we-uniq:…
- Ukusebenzisa -c inketho : Itshela inombolo yezikhathi umugqa ophindwe kaningi. …
- Ukusebenzisa inketho -D : Iphinde iphrinte imigqa eyimpinda kuphela kodwa hhayi owodwa eqenjini ngalinye. …
- Ukusebenzisa -u inketho : Iphrinta kuphela imigqa eyingqayizivele.
Ngiphrinta kanjani ikholomu ku-Linux?
Kwenziwa kanjani…
- Ukuze uphrinte ikholomu yesihlanu, sebenzisa umyalo olandelayo: $ awk '{ phrinta $5 }' igama lefayela.
- Futhi singaphrinta amakholomu amaningi futhi sifake umucu wethu wangokwezifiso phakathi kwamakholomu. Isibonelo, ukuze uphrinte imvume negama lefayela lefayela ngalinye kuhla lwemibhalo lwamanje, sebenzisa isethi yemiyalo elandelayo:
Ngiwathola kanjani amanani ahlukile kukholamu kuPython?
Singakwazi sebenzisa umsebenzi wePandas unique() kokuhlukile kokuthakaselayo ukuze uthole amanani ayingqayizivele wekholomu. Ngokwesibonelo, ake sithi sifuna ukuthola amanani ahlukile ekholomu 'yezwekazi' kuhlaka lwedatha. Lokhu kuzoholela kuwo wonke amazwekazi kuhlaka lwedatha. Singasebenzisa umsebenzi we-pandas ohlukile kukholamu yentshisakalo.
Ngiyisusa kanjani imigqa eyimpinda ku-Unix?
Udinga ukusebenzisa amapayipi egobolondo kanye nezinsiza ezimbili ezilandelayo zomugqa womyalo we-Linux ukuze uhlele futhi ususe imigqa yombhalo eyimpinda:
- hlunga umyalo - Hlunga imigqa yamafayela ombhalo ku-Linux nezinhlelo ezifana ne-Unix.
- umyalo we-uniq - Bika noma ushiye imigqa ephindaphindiwe ku-Linux noma ku-Unix.
Ngiyithola kanjani imigqa eyingqayizivele efayeleni?
Thola imigqa eyingqayizivele
- Ifayela kufanele lihlungwe kuqala. hlunga ifayela | i-uniq -u izokhipha ukuze ikududuze. - ma77c. …
- Ngicabanga ukuthi isizathu sokuhlunga ifayela | i-uniq ibonisa wonke amanani isikhathi esingu-1 ingoba iphrinta ngokushesha umugqa ehlangana nawo okokuqala, futhi ekuhlanganeni okulandelayo, ivele yeqe. – Reeshabh Ranjan.
Uwathola kanjani amagama aphindaphindiwe ku-Linux?
incazelo
- Okokuqala ungafaka amathokheni amagama ngokuthi grep -wo , igama ngalinye liphrintwa emugqeni owodwa.
- Bese ungakwazi ukuhlunga amagama amathokheni ngokuhlunga .
- Ekugcineni ingathola amagama ahlukile alandelanayo noma ayimpinda nge- uniq . 3.1. uniq -c Lokhu kuphrinta amagama nokubala kwawo.