Wannan jagorar zai nuna maka yadda za a yi amfani da umarni na seq don samar da lambobin lambobi a cikin asusun Linux.
Daidaita Ma'anar Dokar Seq
Ka yi tunanin kana so ka nuna lambobi 1 zuwa 20 zuwa allon.
Umurnin seq na gaba yana nuna maka yadda zakayi haka:
seq 1 20
A kan kansa, wannan umurnin ba shi da amfani. A kalla za ku so fitar da lambobi zuwa fayil.
Zaka iya yin wannan ta yin amfani da umarnin cat kamar haka:
seq 1 20 | cat> lambar ƙidayar
Yanzu zaka sami fayil wanda ake kira lakaftaccen lambobi tare da lambobi 1 zuwa 20 buga a kowane layi.
Hanyar da muka nuna har yanzu don nuna jerin jerin lambobi zai iya kasancewa a cikin waɗannan abubuwa:
seq 20
Lambar farko ta farko ita ce 1 don haka ta hanyar samar da lambobi 20 umarni na seq kawai ya ƙidaya daga 1 zuwa 20.
Kuna buƙatar amfani da tsawon lokaci idan kuna so ku ƙidaya tsakanin lambobi biyu kamar haka:
Seq 35 45
Wannan zai nuna lambobin 35 zuwa 45 zuwa ga fitarwa na kwarai.
Yadda Za a Sanya Yin Amfani da Shirin Amfani da Shi
Idan kana so ka nuna duk lambobi tsakanin 1 zuwa 100 zaka iya amfani da ɓangaren ɓangaren seq zuwa mataki na biyu a lokaci guda kamar yadda misali mai biyowa ya nuna:
seq 2 2 100
A cikin umurnin da aka sama, lambar farko ita ce farawa.
Lambar ta biyu ita ce lamba don ƙarawa ta kowane mataki, misali, 2 4 6 8 10.
Lambar ta uku ita ce lamba ta ƙarshe don ƙidaya zuwa.
Tsarin Umurni na Seq
Kawai aika da lambobi zuwa nuni ko zuwa fayil bai kasance da amfani ba.
Duk da haka, watakila kana son ƙirƙirar fayil tare da kowace rana a watan Maris.
Don yin wannan zaku iya amfani da sauya mai biyowa:
seq -f "% 02g / 03/2016" 31
Wannan zai nuna fitarwa kamar wannan:
- 01/03/2016
- 02/03/2016
- 03/03/2016
Za ku lura da% 02g. Akwai siffofin daban daban uku: e, f, da kuma g.
A matsayin misali na abin da ke faruwa idan ka yi amfani da waɗannan nau'ukan daban-daban gwada waɗannan umarni:
seq -f "% e" 1 0.5 3
seq -f "% f" 1 0.5 3
seq -f "% g" 1 0.5 3
Sakamako daga% e shine kamar haka:
- 1.000000e + 00
- 1.500000e + 00
- 2.000000e + 00
- 2.500000e + 00
- 3.000000e + 00
Sakamako daga% f shine kamar haka:
- 1.000000
- 1.500000
- 2.000000
- 2.500000
- 3.000000
A ƙarshe, fitowar daga% g shine kamar haka:
- 1
- 1.5
- 2
- 2.5
- 3
Yin Amfani da Dokar Seq a matsayin Sashi na A Domin Rufi
Zaka iya amfani da umarnin seq a matsayin wani ɓangare na wani madauki don tafiya ta cikin wannan lambar saitin yawan lokuta.
Misali ka ce kana so ka nuna kalma "sannu duniya" sau goma.
Wannan shi ne yadda zaka iya yin shi:
domin na a $ (s 10)
yi
kira "sallo duniya"
yi
Canja Zaɓin Zaɓin Zane
Ta hanyar tsoho, umarnin seq ya nuna kowane lamba a kan sabon layi.
Wannan za a iya canzawa don zama duk wani nau'in halayyar da kuke son amfani.
Alal misali, idan kuna son yin amfani da wakafi don rarraba lambobin amfani da layi na gaba:
seq -s, 10
Idan za ku fi son yin amfani da sarari to sai kuna buƙatar saka shi cikin quotes:
seq -s "" 10
Yi Lissafin Lissafin Same Length
Lokacin da ka fitar da lambobi zuwa fayil ɗin za ka iya fushi da cewa yayin da ka wuce ta dubban da daruruwan cewa lambobin sun bambanta.
Misali:
- 1
- 2
- 3
- 10
- 11
- 99
- 100
- 200
- 1000
- 10000
Zaka iya sa duk lambobin daidai tsawon haka kamar haka:
seq -w 10000
Lokacin da kake tafiyar da umarnin da ke sama an fitar da kayan sarrafawa kamar haka:
- 00001
- 00002
- 00003
- 00010
- 00011
- 00099
- 00100
- 00200
- 01000
- 10000
Nuna Lissafi A Kayan Gida
Zaka iya nuna lambobi a cikin jerin a cikin tsari na baya.
Alal misali, idan kana so ka nuna lambobi 10 zuwa 1 za ka iya amfani da wannan adireshin:
seq 10 -1 1
Lissafin Lissafi na Ruwaye
Zaka iya amfani da umurnin jerin don yin aiki a kan lambobin maɓallin ruwa.
Alal misali, idan kana son nuna duk lamba tsakanin 0 da 1 tare da mataki na 0.1 zaka iya yin haka kamar haka:
seq 0 0.1 1
Takaitaccen
Dokar seq ta fi dacewa idan aka yi amfani da shi azaman ɓangaren bash .