i-wc (ifutshane kubalwa kwamagama) ngumyalelo okwi-Unix, iSicwangciso sesi-9, i-Inferno, kunye neenkqubo zokusebenza ezifana ne-Unix. Inkqubo ifunda igalelo eliqhelekileyo okanye uluhlu lweefayile zekhompyuter kwaye ivelise enye okanye ngaphezulu kwezi nkcukacha-manani zilandelayo: ubalo lomgca omtsha, ubalo lwamagama, nokubalwa kwe-byte.
Isebenza njani i-wc kwi-Unix?
Omnye umyalelo weUNIX uthi wc (ubalo lwamagama). Ngeyona ndlela ilula, wc ifunda amagama ukusuka kwigalelo elisezantsi de isiphelo-sefayile, kwaye iprinta ukuya kwimveliso eqhelekileyo, ubalo lwemingaphi imigca, amagama, kunye nabasebenzi abayifundileyo.. Iprinta amanani amathathu kumgca omnye, nganye kwindawo yobubanzi besi-8.
Yintoni ukusetyenziswa kwe-wc kwiLinux?
i-wc imele ubalo lwamagama. Njengoko negama lisitsho, isetyenziswa ikakhulu ukubala injongo. Isetyenziselwa ukufumana inani lelayini, inani lamagama, i-byte kunye nenani lamagama kwiifayile ezichazwe kwiingxoxo zefayile. Ngokungagqibekanga ibonisa imveliso yekholomu emine.
I-WC yenza ntoni kwaShell?
wc imele ukubalwa kwamagama, nangona inokubala abalinganiswa kunye nemigca. Oku kuyenza ibe sisixhobo esiguquguqukayo sokubala naluphi na uhlobo lwezinto. Isetyenziswa ngokuqhelekileyo ukubala inani lelayini kwifayile, okanye (njengakwizixhobo ezininzi ze Unix) kuyo nayiphi na enye idatha ethunyelwe kuyo, kodwa ingabala abalinganiswa kunye namagama, nayo.
Uyisebenzisa njani i-wc?
Sebenzisa umyalelo we-wc ukubala inani lelayini, amagama, kunye neebhayithi kwiifayile ezichazwe yiFayile parameter. Ukuba ifayile ayichazwanga kwiparamitha yeFayile, igalelo elisezantsi liyasetyenziswa. Umyalelo ubhala iziphumo kwimveliso eqhelekileyo kwaye igcina ubalo lulonke lwazo zonke iifayile ezinegama.
Uyisebenzisa njani i-grep kunye ne-wc?
Ukusebenzisa i-grep -c iyodwa kuya kubala inani lemigca equlethe igama elihambelanayo endaweni yenani leematshisi zizonke. U--o ukhetho yinto exelela u-grep ukuba akhuphe umdlalo ngamnye kumgca owahlukileyo kwaye ke i-wc -l ixelela i-wc ukuba ukubala inani lemigca. Yile ndlela inani lilonke lamagama ahambelanayo lifunyanwa ngayo.
Ithetha ukuthini i-wc?
Indlu yangasese ngamanye amaxesha ibizwa ngokuba yiWC, ngakumbi kwiimpawu okanye kwiintengiso zezindlu, iiflethi, okanye iihotele. I-WC sisishunqulelo se 'iklozethi yamanzi'.
Ngubani isiphumo se-WC?
ngubani | wc -l kulo myalelo, isiphumo sokuba ngubani umyalelo wondliwa njengegalelo kumyalelo we-wc -l wesibini. Ngaloo ndlela, i-wc -l ibala i inani lemigca ekhoyo igalelo elisezantsi(2) kwaye libonisa(stdout) isiphumo sokugqibela. Ukubona inani labasebenzisi abangenileyo, sebenzisa umyalelo ngo -q parameter njengezantsi.
Ndiyisebenzisa njani igrep?
Umyalelo we-grep ukhangela kwifayile, ujonge iimatshisi kwipateni ekhankanyiweyo. Ukuyisebenzisa chwetheza grep, emva koko ipateni esiyikhangelayo kwaye ekugqibeleni igama lefayile (okanye iifayile) esizingelayo. Imveliso yilayini ezintathu kwifayile equlethe oonobumba 'hayi'.
Uwabala njani amagama kwi-wc?
Umyalelo othi “wc” ngokwesiseko uthetha “ubalo lwamagama” kunye neeparitha ezahlukeneyo ozikhethelayo umntu anokusebenzisa kuzo bala inani lemigca, amagama, kunye neempawu kwifayile yokubhaliweyo. Ukusebenzisa i-wc ngaphandle kokhetho kuzakufumana amanani ee-bytes, iilayini, namagama (-c, -l kunye no -w ukhetho).
Yintoni umyalelo we-LS wc?
Umyalelo we-wc ukuxelela ukuba likhulu kangakanani uxwebhu lokubhaliweyo. Oku kubhobhoza imveliso ye-ls nge-wc. … Kuba ls iprinta igama elinye ngomgca ngamnye xa imveliso yayo ibhobhozwa okanye iqondiswa ngokutsha, inani lelayini linani leefayile kunye nolawulo phantsi kolawulo lwakho lokusebenza.
Wenza ntoni lo myalelo ulandelayo ngubani wc -|?
Umyalelo weWc kwiLinux (Bala inani leMiqolo, amaGama kunye nabalinganiswaKwi-Linux kunye ne-Unix-ezifana neenkqubo zokusebenza, umyalelo we-wc ikuvumela ukubala inani lelayini, amagama, abasebenzi, kunye nee-bytes zefayile nganye enikiweyo okanye igalelo elisezantsi kwaye uprinte iziphumo.