diff options
Diffstat (limited to 'bash.html.markdown')
| -rw-r--r-- | bash.html.markdown | 9 | 
1 files changed, 9 insertions, 0 deletions
| diff --git a/bash.html.markdown b/bash.html.markdown index dc7d32b6..9b199b8c 100644 --- a/bash.html.markdown +++ b/bash.html.markdown @@ -9,6 +9,7 @@ contributors:      - ["akirahirose", "https://twitter.com/akirahirose"]      - ["Anton Strömkvist", "http://lutic.org/"]      - ["Rahil Momin", "https://github.com/iamrahil"] +    - ["Gregrory Kielian", "https://github.com/gskielian"]  filename: LearnBash.sh  --- @@ -199,4 +200,12 @@ sort file.txt  uniq -d file.txt  # prints only the first column before the ',' character  cut -d ',' -f 1 file.txt +# replaces every occurrence of 'okay' with 'great' in file.txt, (regex compatible) +sed -i 's/okay/great/g' file.txt +# print to stdout all lines of file.txt which match some regex, the example prints lines which beginning with "foo" and end in "bar" +grep "^foo.*bar$" file.txt +# pass the option "-c" to instead print the number of lines matching the regex +grep -c "^foo.*bar$" file.txt +# if you literally want to search for the string, and not the regex, use fgrep (or grep -F) +fgrep "^foo.*bar$" file.txt   ``` | 
