{"id":8,"date":"2004-01-25T22:12:28","date_gmt":"2004-01-25T20:12:28","guid":{"rendered":"http:\/\/frenchfragfactory.net\/ozh\/archives\/2004\/01\/25\/random-line\/"},"modified":"2008-08-22T19:32:00","modified_gmt":"2008-08-22T17:32:00","slug":"random-line","status":"publish","type":"post","link":"https:\/\/planetozh.com\/blog\/2004\/01\/random-line\/","title":{"rendered":"Bash Script: Random Line"},"content":{"rendered":"

This bash script extracts a random line from a given (text) file. This is a cheap "fortune" replacement. <\/p>\n

\n\n\t\t
\n\n\t\t
\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
\n\n\t<\/div>\n\t\n\t
\n\t\t
  1. #!\/bin\/bash<\/div><\/li>\n
  2. # randomline : extracts a random line from a text file<\/div><\/li>\n
  3.  <\/div><\/li>\n
  4. if [ -z $1 ] ; then<\/div><\/li>\n
  5. echo "Usage : $0 <file>"<\/div><\/li>\n
  6. exit 0<\/div><\/li>\n
  7. fi<\/div><\/li>\n
  8.  <\/div><\/li>\n
  9. NB_LINES=$(expr $(wc -l $1 | sed -e 's\/ *\/\/' | cut -f1 -d " "))<\/div><\/li>\n
  10.  <\/div><\/li>\n
  11. NB_RAND=0<\/div><\/li>\n
  12. while [ "$NB_RAND" -eq 0 ]<\/div><\/li>\n
  13. do<\/div><\/li>\n
  14. NB_RAND=$(expr $RANDOM \\% $NB_LINES)<\/div><\/li>\n
  15. done<\/div><\/li>\n
  16.  <\/div><\/li>\n
  17. sed -n "${NB_RAND}p;${NB_RAND}q" $1<\/div><\/li>\n<\/ol>\t<\/div>\n\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"

    Bash random line script<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[5,2,3],"class_list":["post-8","post","type-post","status-publish","format-standard","hentry","category-published","tag-bash","tag-code","tag-linux"],"_links":{"self":[{"href":"https:\/\/planetozh.com\/blog\/wp-json\/wp\/v2\/posts\/8","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=8"}],"version-history":[{"count":0,"href":"https:\/\/planetozh.com\/blog\/wp-json\/wp\/v2\/posts\/8\/revisions"}],"wp:attachment":[{"href":"https:\/\/planetozh.com\/blog\/wp-json\/wp\/v2\/media?parent=8"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/planetozh.com\/blog\/wp-json\/wp\/v2\/categories?post=8"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/planetozh.com\/blog\/wp-json\/wp\/v2\/tags?post=8"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}