Misalai na 15 na 'echo' a cikin Linux

Umurnin echo shine ɗayan manyan umarni da aka fi amfani da su don Linux bash da C shells, waɗanda galibi ana amfani da su a cikin yaren rubutu da fayilolin batch don nuna layin rubutu/kirtani akan daidaitaccen fitarwa ko fayil.

Ma'anar kalmar echo shine:

echo [option(s)] [string(s)]

1. Shigar da layin rubutu kuma nuna shi akan daidaitaccen fitarwa

$ echo Tecmint is a community of Linux Nerds 

Yana fitar da rubutu mai zuwa:

Tecmint is a community of Linux Nerds 

2. ayyana maɓalli kuma ka faɗi ƙimar sa. Misali, ayyana madaidaicin x kuma sanya ƙimarsa=10.

$ x=10

bayyana darajarsa:

$ echo The value of variable x = $x 

The value of variable x = 10 

Lura: Zaɓin '-e' a cikin Linux yana aiki azaman fassarar haruffan da suka tsere waɗanda ke da baya.

3. Yin amfani da zaɓi '' '' - backspace tare da fassarar baya '-e' wanda ke kawar da duk wuraren da ke tsakanin.

$ echo -e "Tecmint \bis \ba \bcommunity \bof \bLinux \bNerds" 

TecmintisacommunityofLinuxNerds 

4. Yin amfani da zaɓi ' '- Sabon layi tare da fassarar baya'-e' yana kula da sabon layi daga inda aka yi amfani da shi.

$ echo -e "Tecmint \nis \na \ncommunity \nof \nLinux \nNerds" 

Tecmint 
is 
a 
community 
of 
Linux 
Nerds 

5. Yin amfani da zaɓi '' '' - a kwance tab tare da fassarar baya '-e' don samun wuraren da ke kwance a kwance.

$ echo -e "Tecmint \tis \ta \tcommunity \tof \tLinux \tNerds" 

Tecmint 	is 	a 	community 	of 	Linux 	Nerds 

6. Ta yaya game da amfani da zaɓi sabon Layi ' 'da kuma kwance tab' '' lokaci guda.

$ echo -e "\n\tTecmint \n\tis \n\ta \n\tcommunity \n\tof \n\tLinux \n\tNerds" 

	Tecmint 
	is 
	a 
	community 
	of 
	Linux 
	Nerds 

7. Yin amfani da zaɓi '' ''- shafi na tsaye tare da fassarar sararin baya'-e' don samun wuraren shafuka a tsaye.

$ echo -e "\vTecmint \vis \va \vcommunity \vof \vLinux \vNerds" 

Tecmint 
        is 
           a 
             community 
                       of 
                          Linux 
                                Nerds 

8. Ta yaya game da amfani da zaɓi sabon Layi ' ' da kuma a tsaye shafin '' lokaci guda.

$ echo -e "\n\vTecmint \n\vis \n\va \n\vcommunity \n\vof \n\vLinux \n\vNerds" 


Tecmint 

is 

a 

community 

of 

Linux 

Nerds 

Lura: Za mu iya ninka shafin tsaye, shafin kwance, da sabon tazarar layi ta amfani da zaɓi sau biyu ko sau da yawa kamar yadda ake buƙata.

9. Yin amfani da zaɓi ' '- dawowar karusa tare da mai fassarar sararin baya'-e' don samun ƙayyadaddun dawowar karusai a cikin fitarwa.

$ echo -e "Tecmint \ris a community of Linux Nerds" 

is a community of Linux Nerds 

10. Amfani da zaɓi & # 8216

$ echo -e "Tecmint is a community \cof Linux Nerds" 

Tecmint is a community [email :~$ 

11. Yi watsi da sake maimaita sabon layi ta amfani da zaɓi '-n'.

$ echo -n "Tecmint is a community of Linux Nerds" 
Tecmint is a community of Linux [email :~/Documents$ 

12. Yin amfani da zaɓi '' ''- dawo da faɗakarwa tare da fassarar sararin baya'-e' don samun faɗakarwar sauti.

$ echo -e "Tecmint is a community of \aLinux Nerds" 
Tecmint is a community of Linux Nerds

Lura: Tabbatar duba maɓallin ƙara, kafin harbi.

13. Buga duk fayiloli/manyan fayiloli ta amfani da umarnin echo ( madadin umurnin ls).

$ echo * 

103.odt 103.pdf 104.odt 104.pdf 105.odt 105.pdf 106.odt 106.pdf 
107.odt 107.pdf 108a.odt 108.odt 108.pdf 109.odt 109.pdf 110b.odt 
110.odt 110.pdf 111.odt 111.pdf 112.odt 112.pdf 113.odt 
linux-headers-3.16.0-customkernel_1_amd64.deb 
linux-image-3.16.0-customkernel_1_amd64.deb network.jpeg 

14. Buga fayiloli na takamaiman nau'in. Misali, bari mu ɗauka kana son buga duk fayilolin '.jpeg', yi amfani da umarni mai zuwa.

$ echo *.jpeg 

network.jpeg 

15. Ana iya amfani da echo tare da mai aiki na turawa don fitarwa zuwa fayil kuma ba daidaitattun fitarwa ba.

$ echo "Test Page" > testpage 

## Check Content
[email :~$ cat testpage 
Test Page 

Wannan shine kawai yanzu kuma kar ku manta da samar mana da mahimman ra'ayoyin ku a cikin sharhin da ke ƙasa.