{"id":34,"date":"2004-05-01T00:04:06","date_gmt":"2004-04-30T22:04:06","guid":{"rendered":"http:\/\/frenchfragfactory.net\/ozh\/archives\/2004\/05\/01\/find-one-liners\/"},"modified":"2007-05-10T00:02:08","modified_gmt":"2007-05-09T22:02:08","slug":"find-one-liners","status":"publish","type":"post","link":"https:\/\/planetozh.com\/blog\/2004\/05\/find-one-liners\/","title":{"rendered":"Find one liners"},"content":{"rendered":"

Collection of one liners using the GNU\/Linux utility "find". Can't remember where I found most of them :)
\n<\/p>\n

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\n\t\t\t\t\t\t< View plain text<\/span> ><\/a>\n\t\t\t\t\t<\/div>\n\n\t\t
code<\/div>\n\n\t\t\n\t\t
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  1. # Find a file and delete it. Replace foo.bar with the file or use wild cards *.bar<\/div><\/li>\n
  2. $ find \/home -name foo.bar -type f -exec rm -f "{}" ';'<\/div><\/li>\n
  3.  <\/div><\/li>\n
  4. # When trying to find large files in \/ filesytem<\/div><\/li>\n
  5. # the find command will return results from<\/div><\/li>\n
  6. # other files systems. Try using the -dev option.<\/div><\/li>\n
  7. $ find \/ -dev -size +3000 -exec ls -l {} ; <\/div><\/li>\n
  8.  <\/div><\/li>\n
  9. # This will not return files in \/usr\/local file system.<\/div><\/li>\n
  10. # This will return files large then 3000 blocks <\/div><\/li>\n
  11. # only in the root file system.<\/div><\/li>\n
  12. $ find \/usr -dev -size +5000 -exec ls -l {} ;<\/div><\/li>\n
  13.  <\/div><\/li>\n
  14. # Someone's done a 'cp -r' and filled up<\/div><\/li>\n
  15. # the filesystem. Here's a simple way to locate the unwanted files...<\/div><\/li>\n
  16. $ find . -ctime -1 -print<\/div><\/li>\n
  17.  <\/div><\/li>\n
  18. # Find has a partiularly powerful mechanism, -exec,<\/div><\/li>\n
  19. # which lets you execute commands on a per-file <\/div><\/li>\n
  20. # basis, while being selective about the files you're operating on.<\/div><\/li>\n
  21. # Lets say we want to delete all the *.bak or *.backup <\/div><\/li>\n
  22. # files which are older than 30 days.<\/div><\/li>\n
  23. # Type the following all on 1 line.<\/div><\/li>\n
  24. $ find . ( -name '*.bak' -o -name *.backup ) -type f -atime +30 -exec rm '{}' ;<\/div><\/li>\n
  25.  <\/div><\/li>\n
  26. # It would be even better if we only deleted <\/div><\/li>\n
  27. # the *.bak file if the original file was still <\/div><\/li>\n
  28. # available. In this case, we can use csh and test to help<\/div><\/li>\n
  29. # Type the following all on 1 line. <\/div><\/li>\n
  30. $ find . ( -name '*.bak' -o -name *.backup ) -type f -atime +30 -exec csh -c 'if ( -f $1:r ) rm $1' '{}' ;<\/div><\/li>\n
  31.  <\/div><\/li>\n
  32. # or if you're really paraniod, use 'test -s' <\/div><\/li>\n
  33. # to verify that the original file has not been truncated<\/div><\/li>\n
  34. # Type the following all on 1 line. <\/div><\/li>\n
  35. $ find . -name '*.bak' -type f -atime +30 -exec csh -c 'test -s $1:r && rm $1' '{}' ;<\/div><\/li>\n
  36.  <\/div><\/li>\n
  37. # Protecting users from themselves - file permissions<\/div><\/li>\n
  38. $ find . -type l -exec gawk 'BEGIN { "ls -lag}' \/dev\/null ;<\/div><\/li>\n
  39.  <\/div><\/li>\n
  40. # Find text in whole directory tree:<\/div><\/li>\n
  41. $ find . -type f | xargs grep "text"<\/div><\/li>\n
  42.  <\/div><\/li>\n
  43. # Find and Replace in whole directory tree:<\/div><\/li>\n
  44. $ find . -type f [-name "..."] -exec perl -pi -e 's|xxx|yyy|g' {} ;<\/div><\/li>\n
  45.  <\/div><\/li>\n
  46. for example:<\/div><\/li>\n
  47. find . -type f -name "*html" -exec <\/div><\/li>\n
  48. perl -pi -e 's|pibeta.psi.ch\/~stefan|midas.psi.ch\/~stefan|g' {} ;<\/div><\/li>\n
  49.  <\/div><\/li>\n
  50. # Show sorted file size of subtree<\/div><\/li>\n
  51. $ du -a . | sort -r -n | less<\/div><\/li>\n<\/ol>\t<\/div>\n\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"

    Collection of one liners using find<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[5,2,53,3],"class_list":["post-34","post","type-post","status-publish","format-standard","hentry","tag-bash","tag-code","tag-find","tag-linux"],"_links":{"self":[{"href":"https:\/\/planetozh.com\/blog\/wp-json\/wp\/v2\/posts\/34","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/planetozh.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/planetozh.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/planetozh.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/planetozh.com\/blog\/wp-json\/wp\/v2\/comments?post=34"}],"version-history":[{"count":0,"href":"https:\/\/planetozh.com\/blog\/wp-json\/wp\/v2\/posts\/34\/revisions"}],"wp:attachment":[{"href":"https:\/\/planetozh.com\/blog\/wp-json\/wp\/v2\/media?parent=34"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/planetozh.com\/blog\/wp-json\/wp\/v2\/categories?post=34"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/planetozh.com\/blog\/wp-json\/wp\/v2\/tags?post=34"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}