Bukhuli likukuwonetsani momwe mungatulutsire malemba kumalo osungira mawindo pogwiritsa ntchito langizo la Linux echo.
Amagwiritsidwa ntchito payekha pa chiphaso lamulo la echo silili lothandiza makamaka koma ngati likugwiritsidwa ntchito monga gawo la script lingagwiritsidwe ntchito kusonyeza malangizo, zolakwika, ndi zinsinsi.
Zitsanzo Zochita za Linux Echo Command
Mwa njira yake yosavuta njira yosavuta yoperekera malemba kwa otsiriza ndi awa:
liwu "hello world"
Lamulo lapamwambali limapereka mawu akuti " moni wadziko " pawindo (kuchepetsa mawu a quotation).
Mwachidziwitso, mawu otchulidwa pa echo amachokera mzere watsopano wamtundu kumapeto kwa chingwe.
Poyesera izi yesani mawu otsatirawa pawindo lazitali:
liwu "hello world" && echo "uthenga wabwino"
Mudzawona kuti zotsatira zake ndi izi:
Moni Dziko Lapansi
dziko lachabechabe
Mukhoza kuchotsa mzere watsopanowu powonjezerapo kusinthana (-n) motere:
Echo -ndi "moni wadziko" && echo- "dziko labwino"
Zotsatira za lamulo ili pamwamba ndi izi:
mdziko lamitundu yowonongeka
Chinthu china choyenera kuganizira pamene mukugwiritsa ntchito mawu akuti echo ndi momwe amachitira anthu omwe ali ofunika.
Mwachitsanzo, yesetsani zotsatirazi muwindo lamagetsi:
tchulani "dziko ladziko lapansi"
M'dziko lokongola a \ r and \ n angachite monga malemba apadera kuti awonjezere mzere watsopano koma iwo samatero. Zotsatira ndi izi:
dziko ladziko la hello
Mukhoza kuthandiza olemba omwe akugwiritsa ntchito lamulo la echo mwa kuphatikiza -_sintha izi motere:
Echo -ndi "dziko ladziko lamalonda"
Nthawi ino zotsatira zake zidzakhala motere:
Moni Dziko Lapansi
dziko lachabechabe
Mwinamwake mungathe kukhala mumkhalidwe umene mukuyesera kutulutsa chingwe chomwe chidzagwiridwe ngati khalidwe lapadera ndipo simukufuna. Pa zochitikazi, gwiritsani ntchito ndalama zazikulu motere:
Echo -E "dziko ladziko lamalonda"
Ndi malemba ati apadera omwe akugwiritsidwira ntchito pogwiritsa ntchito -sintha?
- \\ kubwerera
- tcheru
- \ b backspace
- \ c sizitulutsa zotsatira zina
- tithawa
- \ f mawonekedwe apangidwe
- \ m mzere watsopano
- Kubwerera kwa galimoto
- \ t tabu yopingasa
- \ v tabu yowonekera
- \ 0NNN octal mtengo ndi manambala 1 mpaka 3
- \ xHH tote ndi mtengo wa hexadecimal
Tiyeni tiyesere ena angapo. Kuthamanga lamulo lotsatirali mu terminal:
tchulani "dziko"
Lamulo ili pamwamba likhoza kutulutsa zotsatirazi:
dziko la helo
Mwachiwonekere sizomwe mufuna kuti mutulutse pazenera koma mumapeza kuti kubwezeretsa b kuchotsa kalata yapitayi.
Tsopano yesani zotsatirazi muzenera lakutha:
Echo -e "moni \ c dziko"
Lamuloli limapanga chirichonse mpaka mphuno ndi c. Zina zonse zasiya kuphatikizapo mzere watsopano.
Kotero kusiyana kotani pakati pa mzere watsopano wa mzere ndi galimoto kubwerera? Mzere watsopano umayendetsa chithunzithunzi kupita kumzere wotsatira pamene galimotoyo imabweretsanso mtolowo kumbali yakumanzere.
Mwachitsanzo, lowetsani zotsatirazi muwindo lanu lamasewera:
Echo -e "moni \ nworld"
Zotsatira za lamulo ili pamwambazi zimayika mawu awiri pamzere wosiyana:
Moni
dziko
Tsopano yesani izi muwindo lamathero:
echo -e "moni \ rworld"
Kusiyanitsa pakati pa mzere watsopano ndi kubwereketsa galimoto kudzaonekera kwambiri ngati zotsatirazi zidzawonetsedwa ngati zotsatira:
dziko
Liwu loti hello linawonetsedwa, kubwereranso kwa galimoto kunatenga mtolowo kumayambiriro kwa mzere ndipo mawu a dziko anawonetsedwa.
Zimakhala zosavuta kwambiri ngati mutayesa zotsatirazi:
Echo -e "hello \ rhi"
Zotsatira kuchokera pamwambapa ndi izi:
chilakolako
Ndipotu pogwiritsa ntchito anthu ambiri amagwiritsabe ntchito \ n \ n \ n \ n \ n \ n \ n \ n \ n \ n \ n \ n \ n \ n \ n \ n \ "mzere. Nthawi zambiri, mukhoza kuthawa ndi \ n.