One-liners
and Frequently used commands I can’t seem to remember the exact syntax of. Nothin’ fancy.
Linux
find . -name \*.* | xargs grep search_string
- navigate to folder you would like to search, enter this command with the search string you would like to find and this command lists all files containing that string
ps x -Ho pid,args
- lists all of the processes running
find / -name gcc- finds all folders named gcc
sed '/$/,/' /home/Desktop/jessirae > /home/Desktop/jessirae2
- places a comma at the end of each line
paste -sd '\0' - /home/Desktop/jessirae2 > /home/Desktop/jessirae3
- The NEWLINE character of every line except the last line in each input file will be replaced with a separator
Ruby
"<a href=\"http://www.oldurl.com\">JessiRae.com</a>".
gsub(/(http?:\/{2})\S+\.(\w+)(\S+)/,"http://www.jessirae.com/blog/")
- global substitution replaces all instances of some expression in a string with some other string or performs some function on that string
require 'open-uri'
....
open(url) {
|page| page_content = page.read()
page_content
}
- returns html from specified webpage