How do I number each line in Linux?
Mizere ya manambala mu fayilo
- Kuti muwerenge mizere yonse, kuphatikiza yopanda kanthu, gwiritsani ntchito -ba kusankha:
- Kuti muwonjezere manambala a mzere ndi mtengo wina (m'malo mwa 1,2,3,4 ...), gwiritsani ntchito -i njira:
- Kuti muwonjezere zingwe zina pambuyo pa manambala a mzere, gwiritsani ntchito -s kusankha:
Kodi ndimasindikiza bwanji manambala a mzere mu Linux?
Lembani bash script kuti musindikize mzere wina kuchokera pa fayilo
- awk : $>awk '{ngati(NR==LINE_NUMBER) sindikizani $0}' file.txt.
- sed : $>sed -n LINE_NUMBERp file.txt.
- mutu : $>mutu -n LINE_NUMBER file.txt | mchira -n + LINE_NUMBER Apa LINE_NUMBER ndi, nambala ya mzere yomwe mukufuna kusindikiza. Zitsanzo: Sindikizani mzere kuchokera pafayilo imodzi.
Mumawonetsa bwanji nambala ya mzere mu chingwe mu Linux?
Njira ya -n (kapena -line-number) imauza grep kuti onetsani nambala ya mzere wa mizere yomwe ili ndi chingwe chomwe chikufanana ndi chitsanzo. Njirayi ikagwiritsidwa ntchito, grep imasindikiza machesi kuti atuluke mulingo woyambira ndi nambala ya mzere. Zomwe zili pansipa zikutiwonetsa kuti machesiwo amapezeka pamizere 10423 ndi 10424.
Kodi mumawerengera bwanji mizere ku Unix?
Kuti muchite izi:
- Dinani batani la Esc ngati mukulowa kapena kuwonjezera.
- Press : (colon). Cholozeracho chiyenera kuwonekeranso kumunsi kumanzere kwa chinsalu pafupi ndi : mwamsanga.
- Lowetsani lamulo ili: seti nambala.
- Mzere wa manambala otsatizana udzawonekera kumanzere kwa chinsalu.
Kodi ndimatsegula bwanji nambala ya mzere mu Linux?
Kuti muyambitse manambala a mzere, ikani chizindikiro cha nambala:
- Dinani batani la Esc kuti musinthe kumayendedwe olamula.
- Press : (colon) ndipo cholozeracho chidzasuntha pansi pakona yakumanzere kwa chinsalu. Lembani nambala kapena set nu ndikugunda Enter. : nambala.
- Manambala a mzere adzawonetsedwa kumanzere kwa chinsalu:
Kodi amphaka amakhala bwanji mizere 10?
Kuti muwone mizere yomaliza ya fayilo, gwiritsani ntchito lamulo la mchira. mchira umagwira ntchito mofanana ndi mutu: lembani mchira ndi dzina la fayilo kuti muwone mizere 10 yomaliza ya fayiloyo, kapena lembani mchira -number filename kuti muwone mizere yomaliza ya fayilo.
Ndi lamulo liti lomwe limayika nambala ya mizere yonse?
d) :seti nl.
Mumawonetsa bwanji mzere wa nth mu Linux?
Pansipa pali njira zitatu zabwino zopezera mzere wa nth wa fayilo mu Linux.
- mutu/mchira. Kungogwiritsa ntchito kuphatikiza malamulo amutu ndi mchira mwina ndiyo njira yosavuta. …
- sed. Pali njira zingapo zabwino zochitira izi ndi sed. …
- ayi. awk ili ndi NR yosinthika yomwe imasunga manambala amizere yamafayilo/mitsinje.
Kodi kugwiritsa ntchito awk mu Linux ndi chiyani?
Awk ndi chida chomwe chimathandizira wopanga mapulogalamu kuti alembe mapulogalamu ang'onoang'ono koma ogwira mtima ngati mawu omwe amatanthauzira zolemba zomwe ziyenera kufufuzidwa pamzere uliwonse wa chikalata ndi zomwe zikuyenera kuchitika pomwe machesi apezeka mkati mwa mzere. Awk amagwiritsidwa ntchito kwambiri chitsanzo kupanga sikani ndi processing.
How do I show line numbers in bash?
In Bash, $LINENO contains the line number where the script currently executing. If you need to know the line number where the function was called, try $BASH_LINENO . Dziwani kuti kusinthaku ndi gulu.