Yakareruka SED mirairo ndeiyi: sed s/ *//g Izvi zvinotsiva chero nhamba yenzvimbo nenzvimbo imwechete. sed s/ $// Izvi zvinotsiva chero nzvimbo imwe chete pamagumo emutsara pasina chinhu. sed s//,/g Izvi zvinotsiva chero nzvimbo imwe chete nekoma imwe chete.
Ndinoshandura sei nzvimbo muLinux?
Iyi ndiyo nzira yekutsiva tab nenzvimbo kana kutsiva nzvimbo netabhu mulinux.
- chinja nzvimbo netabhu. mu bash unogona kumhanya. sed -e 's/ /t/g' test.py > test.new.py. mu vim unogona kuita izvi: # kutanga mu. …
- shandura tab kune nzvimbo. set sarudzo expandtab (yakapfupikiswa kuti et ) :set et|retab.
31 июл. 2016 г.
Unotsiva sei mutsara necomma muUnix?
Iwo `sed` murairo uchashandura mutsva mutsara kuita null hunhu uye kutsiva imwe neimwe n necomma nekushandisa yekutanga kutsvaga uye kutsiva pateni. Pano, 'g' inoshandiswa kutsvaga pasi rose kutsvaga n. Neyechipiri yekutsvaga nekutsiva pateni, iyo comma yekupedzisira ichatsiviwa ne n.
Ini ndinobvisa sei nzvimbo pakati pemazwi muLinux?
Kubvisa nzvimbo dzakawanda shandisa []+ mu sed. [ ]+ zvinoreva kuenzanisa nzvimbo inodarika imwe. Rega tiite muenzaniso mumwechete nekuisa nzvimbo yakawanda mumashoko. Ziva kuti isu tinofanirwa kutiza akakosha hunhu + neback slash apo []+ mu sed.
Ini ndinopa sei nzvimbo mu sed command?
The character class s ichaenderana newhitespace mavara uye . ichatsiva kutevedzana kwega kwega kwemavara machena matatu ane nzvimbo mbiri. Dzimwe shanduro dzekare dze sed dzinogona kusaziva senge chena nzvimbo inoenderana chiratidzo.
Vimrc Linux iripi?
Vim's user-specific configuration file iri mudhairekitori repamba: ~/. vimrc , uye Vim mafaera ezvino mushandisi ari mukati ~/. vim/ . Iyo yepasi rose yekumisikidza faira iri pa/etc/vimrc.
Chii chinonzi TR in bash?
tr inobatsira zvikuru UNIX murairo. Inoshandiswa kushandura tambo kana kudzima mavara kubva patambo. Mhando dzakasiyana dzeshanduko dzinogona kuitwa nekushandisa murairo uyu, sekutsvaga uye kutsiva zvinyorwa, kushandura tambo kubva mumusoro kuenda kune yakaderera kana zvinopesana, kubvisa akadzokororwa mavara kubva patambo nezvimwe.
Unobvisa sei mutsara mutsva muUNIX?
Maitiro acho anotevera:
- Nyora unotevera sed command kudzima carriage Return (CR)
- sed 's/r//' kuisa> kubuda. sed 's/r$//' mukati > kunze.
- Nyora unotevera sed command kutsiva linefeed(LF)
- sed ':a;N;$! ba;s/n//g' kuisa > kubuda.
15 Kukadzi. 2021 g.
Unotarisa sei mutsara mutsva muUNIX?
3 Mhinduro. Zvinoita seurikuda kutsvaga mitsetse ine 2-character sequence n . Kuti uite izvi, shandisa grep -F , iyo inobata pateni setambo yakamisikidzwa kwete seyakajairwa kutaura kana kutiza kutevedzana. Iyi -P grep ichaenderana nemutsara mutsva.
Chii chinonzi TR command muUnix nemuenzaniso?
The t command muUNIX ibasa remutsetse wekuraira kushandura kana kudzima mavara. Inotsigira huwandu hweshanduko dzinosanganisira uppercase kuenda kumavara madiki, kudzvanya anodzokorora mavara, kudzima mavara chaiwo uye yekutanga kutsvaga uye kutsiva. Inogona kushandiswa nemapaipi eUNIX kutsigira kududzira kwakaoma.
Ndinobvisa sei nzvimbo dzinotungamira muUnix?
Shandisa sed 's/^ *//g', kubvisa inotungamira nzvimbo chena. Pane imwe nzira yekubvisa zvichena uchishandisa `sed` command. Mirairo inotevera yakabvisa nzvimbo kubva pane inoshanduka, $Var nekushandisa `sed` kuraira uye [[:space:]].
Ndinobvisa sei nzvimbo isina chinhu muUnix?
Mhinduro iri nyore ndeye kushandisa grep (GNU kana BSD) kuraira sezviri pazasi.
- Bvisa mitsetse isina chinhu (kwete kusanganisira mitsetse ine nzvimbo). grep. file.txt.
- Bvisa mitsetse isina chinhu (kusanganisira mitsetse ine nzvimbo). grep “S” file.txt.
Iwe unotora sei nzvimbo muLinux terminal?
Mubash ndinowana CTRL+l inofambisa cursor kumusoro kwechidzitiro, asi CTRL+L (kureva CTRL+SHIFT+l) inofambisa cursor kumusoro kwechidzitiro, uye inoisa ichitenderedza skrini yenzvimbo zvisati zvaitika. Ideal!
Ini ndinowedzera sei nzvimbo muUnix?
2 Answers
- BEGIN{FS=OFS=",”} isa chiparadzanisi chemunda pamwe nechabuda chinopatsanura kuti ,
- nepo(kureba($4)<10){$4=”“$4} pad space pamberi pemunda wechina kusvika yasvika kureba kwegumi.
- dhinda mutsara.
15 авг. 2019 г.
Chii chinonzi pateni nzvimbo muSED?
Nzvimbo yemuenzaniso ndiyo yemukati sed buffer uko sed nzvimbo, uye inogadzirisa, mutsara wainoverenga kubva kune yekuisa faira. Bata nzvimbo: Iyi imwe buffer inowanikwa apo sed inogona kubata data yenguva pfupi.