A Hōʻaikaʻi Aʻo i ka hoʻohanaʻana i nā kauoha kauoha ma Linux

ʻO kahi hoʻokomo i ka papahana Linux

Ke hoʻohana nei ka pūnaehana hana Linux e hoʻohana i nā kauoha kūlana e hana me kahi pūnaewele pūnaewele. ʻO ka hoʻohana muaʻana o ka Linux i kauoha iā ia,ʻo ia ka pōkole no ka mea hoʻoponopono wai,ʻo ia ke hoʻololi i kēlā me kēia laina o kahi faila aʻole ke kahawai ma o ka hoʻololiʻana i nā wahi i'ōleloʻia o ka laina. Hoʻonohonoho ia i nā hoʻololi o ka 'ōlelo i kahi faila a iʻole ka hoʻokomoʻana mai kahi paepae. Eia kekahi laʻana, makemakeʻoe i kahi faila i kapaʻia "songs.text" e loaʻa nei kēia mau laina:

1, Justin Timberlake, Title 545, Price $ 6.30 2, Taylor Swift, Title 723, Price $ 7.90 3, Mick Jagger, Title 610, Price $ 7.90 4, Lady Gaga, Pii 118, Price $ 6.30 5, Johnny Cash, Title 482, Price $ 6.50 6, Elvis Presley,'Amoa 335,'Ohoaka $ 6.30 7, John Lennon, Kēkelē 271, Price $ 7.90

Ke hanaʻana i nā hoʻoponopono kikokikona me ke mele

Inā makemakeʻoe e hoʻololi i nā hana kumukūʻai a pau o $ 6.30 a $ 7.30, hiki iāʻoe ke hana i nā loli e hoʻohana i ke kauoha sed ma kēiaʻano:

'ō aʻe / 6.30 / 7.30 /' songs.txt> songs2.txt

Na kēia code e hoʻololi i ka loli a kākau i ke kaʻina hoʻoponopono i "songs2.txt". Loaʻa i ka waihona puka waihona:

1, Justin Timberlake, Title 545, Price $ 7.30 2, Taylor Swift, Title 723, Price $ 7.90 3, Mick Jagger, Title 610, Price $ 7.90 4, Lady Gaga, Kaumua 118, Kauka $ 7.30 5, Johnny Cash, Helu 482, Price $ 6.50 6, Elvis Presley,'Aʻupe 335,ʻAlā kūʻai $ 7.30 7, John Lennon, Title 271, Price $ 7.90

Inā makemakeʻoe e pani i nā hanana a pau o "Cash" me ka "Trash" hoʻohanaʻoe:

nā'ati / Cash / Trash / 'songs.txt> songs2.txt

ka mea i hana i kahi faila me kaʻikepili:

1, Justin Timberlake, Title 545, Price $ 7: 30 2, Taylor Swift, Title 723, Price $ 7.90 3, Mick Jagger, Title 610, Price $ 7.90 4, Lady Gaga, Pane 118, Price $ 7: 30 5, Johnny Trash, Title 482, Ke kumukūʻai $ 6.50 6, Elvis Presley, Title 335, Ke kumu kūʻai $ 7: 30 7, John Lennon, Title 271, Price $ 7.90

Hoʻopiliʻana me ke Kauoha Kuleana

Hoʻohana pinepineʻiaʻo Sed e hoʻohui i nā laina i loko o kahi faila a iʻole ka muliwai. Eia kekahi laʻana, inā makemake waleʻoe eʻike i nā laina i loko o "John", hoʻohanaʻoe:

'ānō -n '/ John / p' songs.txt> johns.txt

nāna e kākau i kēia mau laina e waiho i johns.txt:

5, Johnny Trash, Title 482, Kakoke $ 6.50 7, John Lennon, Poʻo 271,ʻAla $ 7.90