Kodi ndimachotsa bwanji malo mu Linux?
Chida choyenera cha ntchitoyo
- tr -d '' < input.txt > no-spaces.txt.
- tr -d '[:blank:]' < input.txt > no-spaces.txt.
- tr -d '[:space:]' < input.txt > no-spaces.txt.
Nchiyani chimachotsa mipata yowonjezera pa chingwe?
1. Chotsani mipata yoyera yowonjezera ndi StringUtils
- kugwiritsa ntchito trim(String) kuchotsa kutsogolera ndi kutsata whitespace, ndiyeno.
- kusintha katsatidwe ka zilembo zoyera ndi danga limodzi.
Kodi mumachotsa bwanji malo opanda kanthu kumapeto kwa mzere mu Linux?
Chotsani mipata yokha: $ sed 's/ *$//' file | mphaka -vet - moni$ bye$ ha^I$ # tabu ikadali pano! Chotsani mipata ndi ma tabu: $ sed 's/[[:blank:]]*$//' file | mphaka -vet - moni $ bye$ ha$ # tabu idachotsedwa!
Kodi ndimachotsa bwanji mipata pakati?
replaceAll(“\s{2,}”,” “); Idzalowa m'malo oyera 2 kapena kupitilira apo motsatizana ndi malo oyera amodzi. Ngati mukufuna kusindikiza Chingwe chopanda danga, ingowonjezerani mkangano sep=" ku ntchito yosindikiza, popeza mkangano wokhazikika ndi ” “.
Kodi ndimachotsa bwanji malo a tabu ku Unix?
Umu ndi momwe mungasinthire tabu ndi malo kapena kusintha malo ndi tabu mu linux.
- sinthani danga ndi tabu. mu bash mutha kuthamanga. sed -e 's/ /t/g' test.py > test.new.py. mu vim mutha kuchita izi: # choyamba mu . …
- sinthani tabu kukhala mipata. set option expandtab (yofupikitsidwa kuti et ) :set et|retab.
Kodi whitespace Linux ndi chiyani?
Whitespace ndi gulu la zilembo zopanda kanthu, zomwe zimatanthauzidwa ngati danga, tabu, mzere watsopano komanso mwina kubwereranso kwagalimoto. Kufunika kwake m'malemba a zipolopolo ndikuti mikangano ya mzere wamalamulo imasiyanitsidwa ndi whitespace, pokhapokha ngati zotsutsanazo zatchulidwa.
Kodi mumachotsa bwanji mipata yambiri mu chingwe mu C++?
Chotsani kapena Chotsani mipata yowonjezera pa chingwe chopatsidwa mu C ++
- int chekeni=0;
- char newstr[80]; //chingwe chatsopano.
- int index=0; // kuti mulondole chingwe chatsopano.
- // chingwe chomwe mipata iyenera kuchotsedwa.
- char str[]="Pulogalamuyi imachotsa mipata yowonjezera pa chingwe";
Kodi mumachotsa bwanji mipata yambiri mu chingwe mu python?
ntchito str. Gawa() kuchotsa mipata yambiri mu chingwe
Imbani str. split() kugawaniza str ndi whitespace ndikusunga zotsatira pamndandanda wa mawu. Gwiritsani ntchito str. join(iterable) ndi str monga ” ” kulumikiza mawu otheka kukhala chingwe chimodzi.
Kodi ndimachotsa bwanji malo owonjezera ku Python?
Python String strip () ntchito idzachotsa malo oyera otsogola ndi otsata. Ngati mukufuna kuchotsa malo otsogola okha kapena otsata, gwiritsani ntchito lstrip() kapena rstrip() m'malo mwake.
Kodi ndimachotsa bwanji mzere womaliza wopanda kanthu ku Unix?
Yesani ${/^$/d;} izi zingofanana ndi mzere wopanda kanthu ngati uli mzere womaliza wa fayilo. Ndinayesa ndi sed (GNU sed) 4.2. 2 ndipo mizere yonse yopanda kanthu idachotsedwa osati mzere wopanda kanthu ngati uli mzere womaliza wa fayilo.
Kodi kugwiritsa ntchito awk mu Linux ndi chiyani?
Awk ndi chida chomwe chimathandizira wopanga mapulogalamu kuti alembe mapulogalamu ang'onoang'ono koma ogwira mtima ngati mawu omwe amatanthauzira zolemba zomwe ziyenera kufufuzidwa pamzere uliwonse wa chikalata ndi zomwe zikuyenera kuchitika pomwe machesi apezeka mkati mwa mzere. Awk amagwiritsidwa ntchito kwambiri chitsanzo kupanga sikani ndi processing.
Kodi mumayika bwanji mizere yopanda kanthu ku Unix?
Kuti mufanane ndi mizere yopanda kanthu, gwiritsani ntchito ' ^$ '. Kuti mufanane ndi mizere yopanda kanthu, gwiritsani ntchito chitsanzo ' ^[[:kusowekapo:]]*$ '. Kuti musagwirizane ndi mizere, gwiritsani ntchito lamulo la ' grep -f /dev/null '.