4 Mhinduro. Imwe nzira kushandisa awk . Pfuura nharo mbiri kune script, nhamba ye column uye kukosha kwekuisa. Iyo script inowedzera nhamba yeminda ( NF ) uye inoenda kune yekupedzisira kusvika pane yakaratidzwa chinzvimbo uye isa ipapo kukosha kutsva.
Ndinowedzera sei mutsara kune faira?
Wedzera makoramu kugwaro reShoko
- Kuisa makoramu kune chikamu chegwaro rako chete, necursor yako, sarudza mavara aunoda kufomati.
- PaKurongwa Kwepeji tab, tinya Makoramu, wobva wadzvanya Mamwe Makoramu.
- Dzvanya Yakasarudzwa mavara kubva ku Nyorera kubhokisi.
Iwe unogadzira sei makoramu muLinux?
muenzaniso:
- Ngatitii une text file ine zvinotevera zviri mukati:
- Kuti uratidze ruzivo rwefaira remavara muchimiro chemakoramu, unoisa murairo: column filename.txt.
- Ngatitii, iwe unoda kuronga mumakoramu akasiyana manyorerwo akapatsanurwa neakati delimiters.
Ini ndinowedzera sei koramu kune CSV faira muLinux?
cut command mumurairo wepamusoro tanga wacheka munda wekutanga ( -f1 iyo yakarongedzerwa necomma delimiter ( -d. )) kubva file1( cut -d, -f1 file1 ), wozocheka nekuisa chikamu chechipiri che file2( cut -d, -f2 file2 ) uye pakupedzisira cheka nekunamira koramu yechitatu ( -f3 ) kune inotevera ( - ) kubva file1 ( cut -d, -f3- file1 ) zvakare.
Iwe unowedzera sei koramu kune faira muLinux?
Nyora katsi kuraira inoteverwa nefaira kana mafaera aunoda kuwedzera kumagumo efaira iripo. Wobva wanyora maviri anobuda redirection zviratidzo ( >> ) zvichiteverwa nezita refaira riripo raunoda kuwedzera kwariri.
Chii chinonzi NR mune awk command?
NR ndeye AWK yakavakirwa-mukati shanduko uye iyo inoreva nhamba yezvinyorwa zviri kugadziriswa. Kushandiswa: NR inogona kushandiswa mubhokisi rekuita inomiririra nhamba yemutsara uri kugadziriswa uye kana ikashandiswa muEND inogona kudhinda nhamba yemitsara yakanyatsogadziriswa. Muenzaniso : Kushandisa NR kudhinda nhamba yemutsara mufaira uchishandisa AWK.
Unoita sei sum in awk?
Maitiro ekupfupisa Maitiro muAwk
- TANGA {FS=”t”; sum=0} Iyo BEGIN block inongoitwa kamwe chete pakutanga kwechirongwa. …
- {sum+=$11} Pano isu tinowedzera huwandu hwehuwandu nehuwandu huri mumunda 11 pamutsetse wega wega.
- END{print sum} Iyo END block inongoitwa kamwe chete pakupera kwechirongwa.
Iwe unozivisa sei zvakasiyana muawk?
Standard AWK siyana
- ARGC. Zvinoreva huwandu hwenharo dzakapihwa pamutsetse wekuraira. …
- ARGV. Iro rondedzero inochengeta iyo yekuraira-mutsara nharo. …
- CONVFMT. Inomiririra shanduko yemhando yenhamba. …
- ENVIRON. Iri iassociative array yezvakatipoteredza zvinosiyana. …
- FILENAME. …
- FS. …
- NF. …
- NR.
Ini ndinoshandura sei imwe column kukosha muawk Unix?
Nyora iyo inotevera awk command:
- awk '{ gsub(“,”,”,$3); dhinda $3 }' /tmp/data.txt.
- awk 'BEGIN{sum=0} {gsub(“,",”,$3); sum += $3 } END{printf “%.2fn”, sum}' /tmp/data.txt.
- awk '{x=gensub(“,”,”,”,”G”,$3); printf x “+” } END{ dhinda “0” }' /tmp/data.txt | bc -l.
Chii chinorehwa neLinux?
zvinoreva kuti ikozvino dhairekitori, / zvinoreva chimwe chinhu mune iro dhairekitori, uye foo ndiro zita refaira rechirongwa chaunoda kuita.
Iwe unoisa sei muLinux?
Maitiro Ekugadzira Faira muLinux Uchishandisa Terminal/Command Line
- Gadzira Faira neTouch Command.
- Gadzira Nyowani Faira Uine Redirect Operator.
- Gadzira Faira nekatsi Command.
- Gadzira Faira ne echo Command.
- Gadzira Faira ne printf Command.
Ini ndinowedzera sei column muawk?
Iyo -F',' inoudza awk kuti muparadzi wemunda wekupinza ndeye koma. The {nhamba+=$4;} inowedzera kukosha kweiyo 4th column kune inomhanya yakazara. Iyo END{print sum;} inoudza awk kuti idhinde zviri mukati mushure mekunge mitsetse yese yaverengwa.
Ini ndinosanganisa sei maviri csv mafaera muLinux?
Muenzaniso 1: Shandisa akawanda CSV mafaera mubash ne(kunze) musoro
- muswe -n+1 -q *.csv >> meged.out.
- -n 1 file1.csv > merged.out && tail -n+2 -q *.csv >> merged.out.
- 1 1.csv > combined.out in *.csv; kuita muswe -n 2 “$f”; printf “n”; zvaitwa >> zvakasanganiswa.out.
- ye f mu *.csv; kuita muswe -n 2 “$f”; printf “n”; zvaitwa >> meged.out.
Chii chinonzi Paste command muLinux?
Namira murairo ndeimwe yemirairo inobatsira muUnix kana Linux inoshanda system. Zviri inoshandiswa kubatanidza mafaera zvakachinjika (parallel merging) nekuburitsa mitsetse ine mitsara kubva kune imwe neimwe faira yakatsanangurwa, yakaparadzaniswa netabhu se delimiter, kune yakajairwa kubuda.