How do I search for a string in Unix?

Grep yog Linux / Unix command-line cuab yeej siv los tshawb nrhiav cov hlua ntawm cov cim hauv cov ntaub ntawv teev tseg. Cov ntawv tshawb nrhiav qauv hu ua ib qho kev qhia tsis tu ncua. Thaum nws pom qhov sib tw, nws luam cov kab nrog qhov tshwm sim. Cov lus txib grep yog ib qho yooj yim thaum tshawb nrhiav los ntawm cov ntaub ntawv log loj.

Kuv yuav tshawb nrhiav cov ntaub ntawv li cas hauv ib txoj hlua hauv Linux?

To search recursively, use the -r option with grep . Raws li koj tuaj yeem pom, grep tau tshawb nrhiav ntau lub npe thiab qhia qhov twg nws pom txoj hlua. Koj tuaj yeem hais qhia cov npe hauv koj cov lus txib, tab sis tshem tawm nws (raws li peb tau ua hauv qhov piv txwv no) yuav qhia grep txhawm rau tshawb xyuas txhua phau ntawv hauv txoj hauv kev tam sim no.

Kuv yuav tshawb nrhiav lo lus hauv Linux li cas?

Search any line that contains the word in filename on Linux: grep ‘word’ filename. Perform a case-insensitive search for the word ‘bar’ in Linux and Unix: grep -i ‘bar’ file1. Look for all files in the current directory and in all of its subdirectories in Linux for the word ‘httpd’ grep -R ‘httpd’ .

Kuv yuav tshawb nrhiav lo lus tshwj xeeb hauv cov ntaub ntawv hauv Linux li cas?

Siv grep los nrhiav ib lo lus tshwj xeeb hauv cov ntaub ntawv

  1. grep -Rw '/path/to/search/' -e ' qauv'
  2. grep –exclude=*.csv -Rw '/path/to/search' -e ' qauv'
  3. grep –exclude-dir={dir1,dir2,*_old} -Rw '/path/to/search' -e 'pattern'
  4. nrhiav. - lub npe "*.php" -exec grep "pattern" {} ;

How do you search for something in Unix?

Find Command in Unix

  1. -atime n: Returns true if the file was accessed n days ago.
  2. -ctime n: Returns true if the file’s status was changed n days ago.
  3. -mtime n: Returns true if the file’s contents were modified n days ago.
  4. -name pattern: Returns true if the file’s name matches the provided shell pattern.

Kuv yuav tshawb nrhiav cov ntawv hauv txhua cov ntaub ntawv hauv Linux li cas?

Grep yog Linux / Unix command-line cuab yeej siv los tshawb nrhiav ib txoj hlua ntawm cov cim hauv cov ntaub ntawv teev tseg. Cov ntawv tshawb nrhiav qauv yog hu ua cov lus qhia tsis tu ncua. Thaum nws pom qhov sib tw, nws luam cov kab nrog qhov tshwm sim. Cov lus txib grep yog ib qho yooj yim thaum tshawb nrhiav los ntawm cov ntaub ntawv log loj.

Kuv yuav tshawb nrhiav cov ntaub ntawv li cas?

Hauv koj lub xov tooj, feem ntau koj tuaj yeem pom koj cov ntaub ntawv hauv Files app . Yog tias koj nrhiav tsis tau Files app, koj lub chaw tsim khoom yuav muaj lwm lub app.
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Nrhiav & qhib cov ntaub ntawv

  1. Qhib koj lub xov tooj Files app. Kawm qhov twg los nrhiav koj cov apps.
  2. Koj cov ntaub ntawv downloaded yuav pom. Txhawm rau nrhiav lwm cov ntaub ntawv, coj mus rhaub Menu. ...
  3. Txhawm rau qhib cov ntaub ntawv, coj mus rhaub nws.

Dab tsi yog lo lus txib kom tshawb nrhiav ib lo lus?

Txhawm rau qhib Nrhiav pane los ntawm Kho kom raug Saib, nias Ctrl + F, los yog nyem Tsev> Nrhiav. Nrhiav cov ntawv los ntawm kev ntaus nws hauv Nrhiav cov ntaub ntawv rau… lub thawv. Word Web App pib tshawb nrhiav sai li sai tau thaum koj pib ntaus ntawv.

Cov lus txib grep tshawb nrhiav los ntawm cov ntaub ntawv, nrhiav kev sib tw rau tus qauv teev tseg. Txhawm rau siv nws ntaus grep, ces tus qauv peb tab tom nrhiav thiab thaum kawg lub npe ntawm cov ntaub ntawv (lossis cov ntaub ntawv) peb tab tom nrhiav hauv. Cov zis yog peb kab hauv cov ntaub ntawv uas muaj cov ntawv 'tsis'.

Dab tsi yog hauv grep hais kom ua?

The grep command can search for a string in groups of files. When it finds a pattern that matches in more than one file, it prints the name of the file, followed by a colon, then the line matching the pattern.

Kuv yuav tshawb nrhiav cov ntaub ntawv hauv Linux li cas?

Piv txwv

  1. nrhiav. - npe thisfile.txt. Yog tias koj xav paub yuav ua li cas nrhiav cov ntaub ntawv hauv Linux hu ua thisfile. …
  2. nrhiav /home -name *.jpg. Saib tag nrho. jpg cov ntaub ntawv hauv / tsev thiab cov npe hauv qab nws.
  3. nrhiav. - hom f -empty. Nrhiav ib cov ntaub ntawv khoob hauv daim ntawv teev npe tam sim no.
  4. nrhiav /home -user randomperson-mtime 6 -iname “.db”

Search command yog dab tsi hauv Linux?

Qhov Linux nrhiav tau hais kom ua yog ib qho tseem ceeb tshaj plaws thiab nquag siv hais kom ua kab hluav taws xob hauv Unix-zoo li kev khiav hauj lwm systems. Cov lus txib nrhiav yog siv los tshawb nrhiav thiab nrhiav cov npe ntawm cov ntaub ntawv thiab cov npe raws li cov xwm txheej koj tau teev tseg rau cov ntaub ntawv uas phim cov lus sib cav.

Kuv yuav siv grep li cas los nrhiav cov lus?

Qhov yooj yim tshaj ntawm ob cov lus txib yog siv grep's -w xaiv. Qhov no yuav pom tsuas yog kab uas muaj koj lub hom phiaj lo lus ua ib lo lus tiav. Khiav cov lus txib "grep -w hub" tiv thaiv koj cov ntaub ntawv lub hom phiaj thiab koj tsuas yog pom cov kab uas muaj lo lus "hub" ua tiav lo lus.

Zoo li cov ncej no? Thov qhia rau koj cov phooj ywg:
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