Nhungamiro Inokurumidza Kushandisa Sekuda Mitemo muLinux

Sumo ye Linux sed command

Iyo Linux operating system inoshandisa magwaro ekugadzirisa kushanda nekombiyuta faira system. Iko kushandiswa kwekutanga kwemurairo weLinux sed , iyo ichinyanya kudivika mumugadziri wekushambadzira , ndeyekushandura mutsara wega faira kana ruzivo kuburikidza nekutsvaga zvikamu zvakajeka zvezera. Inoita kuti zvinyorwa zvinyorwa zvigadziriswe kune faira kana kuwanikwa kubva pombiyuta. Somuenzaniso, taura kuti une faira inonzi "nyimbo.text" ine mitsara iyi:

1, Justin Timberlake, Mutengo 545, Mutengo $ 6.30 2, Taylor Swift, Musoro 723, Mutengo $ 7.90 3, Mick Jagger, Musoro 610, Mutengo $ 7.90 4, Lady Gaga, Mutengo 118, Mutengo $ 6.30 5, Johnny Cash, Musoro 482, Mutengo $ 6.50 6, Elvis Presley, Musoro 335, Mutengo $ 6.30 7, John Lennon, Musoro 271, Mutengo $ 7.90

Kuita Magwaro Kunogadziridzwa NeSe

Kana iwe uchida kuchinja zvose zvinowanikwa mutengo we $ 6.30 kusvika $ 7.30, unogona kuita shanduro uchishandisa iri sed mura nenzira iyi:

sed 's / 6.30 / 7.30 /' songs.txt> songs2.txt

Iyi code inoita shanduko uye inonyora firiji yakashandurwa ku "songs2.txt". Izvo zvinobudisa faira ine:

1, Justin Timberlake, Musoro 545, Mutengo $ 7.30 2, Taylor Swift, Musoro 723, Mutengo $ 7.90 3, Mick Jagger, Mutengo 610, Mutengo $ 7.90 4, Lady Gaga, Mutengo 118, Mutengo $ 7.30 5, Johnny Cash, Musoro 482, Mutengo $ 6.50 6, Elvis Presley, Musoro 335, Mutengo $ 7.30 7, John Lennon, Musoro 271, Mutengo $ 7.90

Kana iwe uchida kutora matanho ose e "Cash" ne "Trash" unoshandisa:

sed 's / Cash / Trash /' songs.txt> songs2.txt

iyo inogadzira faira ine zvarinoreva:

1, Justin Timberlake, Mutengo 545, Mutengo $ 7: 30 2, Taylor Swift, Musoro 723, Mutengo $ 7.90 3, Mick Jagger, Musoro 610, Mutengo $ 7.90 4, Lady Gaga, Mutengo 118, Mutengo $ 7: 30 5, Johnny Trash, Mutengo 482, Mutengo $ 6.50 6, Elvis Presley, Musoro 335, Mutengo $ 7: 30 7, John Lennon, Musoro 271, Mutengo $ 7.90

Kuchengeta neInd Sed Command

Sed iyo inowanzoshandiswa kushandura mitsetse mufaira kana mumvura. Somuenzaniso, kana iwe uchida kuona mitsetse ine "John," iwe unoshandisa:

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

iyo inonyora mitsara inotevera kuisa johns.txt:

5, Johnny Trash, Musoro 482, Mutengo $ 6.50 7, John Lennon, Musoro 271, Mutengo $ 7.90