Merge pull request #925 from tldr-pages/grep

grep.md: "something" → "search_string"; -r → -rI

pages/common/grep.md

@@ -5,15 +5,15 @@
 
 - Search for an exact string:
 
-`grep {{something}} {{file_path}}`
+`grep {{search_string}} {{file_path}}`
 
 - Search in case-insensitive mode:
 
-`grep -i {{something}} {{path/to/file}}`
+`grep -i {{search_string}} {{path/to/file}}`
 
-- Search recursively in current directory for an exact string:
+- Search recursively (ignoring non-text files) in current directory for an exact string:
 
-`grep -r {{something}} .`
+`grep -rI {{search_string}} .`
 
 - Use a regular expression (`-E` for extended regex, supporting `?`, `+`, `{}`, `()` and `|`):
 
@@ -21,24 +21,24 @@
 
 - Print 3 lines of context around each match:
 
-`grep -C 3 {{something}} {{path/to/file}}`
+`grep -C 3 {{search_string}} {{path/to/file}}`
 
 - Print the count of matches instead of the matching text:
 
-`grep -c {{something}} {{path/to/file}}`
+`grep -c {{search_string}} {{path/to/file}}`
 
 - Print line number for each match:
 
-`grep -n {{something}} {{path/to/file}}`
+`grep -n {{search_string}} {{path/to/file}}`
 
 - Print file names with matches:
 
-`grep -rl {{something}} .`
+`grep -rl {{search_string}} .`
 
 - Use the standard input instead of a file:
 
-`cat {{path/to/file}} | grep {{something}}`
+`cat {{path/to/file}} | grep {{search_string}}`
 
 - Invert match for excluding specific strings:
 
-`grep -v {{something}}`
+`grep -v {{search_string}}`