Yadda ake karanta shigarwar Awk daga STDIN a cikin Linux - Kashi na 7

A cikin ɓangarorin da suka gabata na jerin kayan aikin Awk, mun kalli shigarwar karanta galibi daga fayil (s), amma menene idan kuna son karanta labari daga STDIN.

A cikin wannan Sashe na 7 na jerin Awk, za mu kalli ƴan misalan inda za ku iya tace fitar wasu umarni maimakon karanta labari daga fayil.

Za mu fara da umarnin ls, a misali na farko da ke ƙasa, muna amfani da fitarwa na dir -l umarni a matsayin shigarwa ga Awk don buga sunan mai amfani, sunan rukuni da fayi

Yadda ake Amfani da Umurni na gaba tare da Awk a cikin Linux - Sashe na 6

A cikin wannan kashi na shida na jerin Awk, za mu duba yin amfani da na gaba umarni, wanda ke gaya wa Awk ya tsallake duk sauran alamu da maganganun da kuka tanadar, amma maimakon haka karanta layin shigarwa na gaba.

Umurnin na gaba yana taimaka maka ka hana aiwatar da abin da zan kira matakan bata lokaci a cikin aiwatar da umarni.

Don fahimtar yadda yake aiki, bari mu yi la'akari da fayil mai suna food_list.txt mai kama da wannan:

Yadda ake Amfani da Maganar Haɗaɗɗe tare da Awk a cikin Linux - Sashe na 5

Gabaɗaya, mun kasance muna kallon maganganu masu sauƙi lokacin bincika ko yanayin ya cika ko a'a. Idan kuna son amfani da magana fiye da ɗaya don bincika wani yanayi fa?

A cikin wannan labarin, za mu dubi yadda zaku iya haɗa kalmomi da yawa da ake magana a kai a matsayin maganganu masu haɗaka don bincika yanayin lokacin tace rubutu ko kirtani.

A cikin Awk, ana gina kalmomi masu haɗaka ta amfani da && da ake magana da su a matsayin (da) da ||

Yadda ake Amfani da Ma'aikatan Kwatancen da Awk a cikin Linux - Sashe na 4

Lokacin da ake mu'amala da ƙimar lamba ko kirtani a cikin layin rubutu, tace rubutu ko kirtani ta amfani da ma'aikatan kwatance yana zuwa da amfani ga masu amfani da umarnin Awk.

A cikin wannan ɓangaren jerin Awk, za mu kalli yadda zaku iya tace rubutu ko kirtani ta amfani da ma'aikatan kwatanta. Idan kai mai shirye-shirye ne to dole ne ka riga ka saba da masu yin kwatance amma wadanda ba su ba, bari in yi bayani a sashin da ke kasa.

Ana amfani da masu aikin kwatance a cikin Awk d

Yadda Ake Amfani da Awk don Tace Rubutu ko Zaɓuɓɓuka Ta Amfani da takamaiman Ayyuka

A kashi na uku na jerin umarni na Awk, za mu kalli tace rubutu ko kirtani bisa takamaiman tsari wanda mai amfani zai iya ayyana.

Wani lokaci, lokacin tace rubutu, kana so ka nuna wasu layika daga fayil ɗin shigarwa ko layukan kirtani dangane da yanayin da aka bayar ko ta amfani da takamaiman tsari wanda za'a iya daidaitawa. Yin wannan tare da Awk yana da sauqi sosai, yana ɗaya daga cikin manyan abubuwan Awk waɗanda za ku sami taimako.

Bari mu kalli wani misali a ƙasa, a ce kuna da

Yadda ake Amfani da Awk don Buga Filaye da ginshiƙai a cikin Fayil

A cikin wannan ɓangaren jerin umarni na Linux Awk, za mu kalli ɗayan mahimman abubuwan Awk, wanda shine gyaran filin.

Yana da kyau a san cewa Awk ta atomatik yana rarraba layukan shigarwa da aka ba shi zuwa filayen, kuma ana iya bayyana filin a matsayin saitin haruffan da aka raba da sauran filayen ta hanyar mai raba filin ciki.

Yadda ake Amfani da Awk da Kalmomi na yau da kullun don Tace Rubutu ko Sirri a cikin Fayiloli

Lokacin da muke gudanar da wasu umarni a cikin Unix/Linux don karanta ko gyara rubutu daga zaren ko fayil, yawancin lokuta muna ƙoƙarin tace fitarwa zuwa ɓangaren da aka ba da sha'awa. Wannan shi ne inda amfani da maganganu na yau da kullum ya zo da amfani.

Za'a iya bayyana ma'anar magana ta yau da kullun azaman igiyoyi waɗanda ke wakiltar jerin haruffa da yawa. Ɗaya daga cikin muhimman abubuwa game da maganganu na yau da kullum shine suna ba ku damar tace fitarwa na umarni ko fayil, gy

An Sakin Tomahawk 0.7 - Ƙarshen Ƙwararrun Kiɗa na Jama'a don Linux

Tomahawk shine na ƙarshe, buɗaɗɗen tushe da kuma na'urar kiɗan kiɗan zamantakewa ta zamani wanda ke ba ku damar samun damar kiɗan da aka adana akan rumbun kwamfutarka (kamar yadda kowane mai kunna kiɗan mai mutunta kai yake yi), amma kuma yana kunna maɓuɓɓugar kiɗa iri-iri kamar haka. a matsayin SoundCloud, Spotify, Youtube da sauran sabis na biyan kuɗin kiɗa don tsara komai a wuri ɗaya. Wannan ainihin yana juya duk intanet ɗin zuwa ɗakin karatu na kiɗa ɗaya. Daga can, zaku iya raba jerin waƙ