Leave the double quotes in. The find command will begin looking in the starting directory you specify and proceed to search through all accessible subdirectories. You may specify more than one starting directory for searching. By default, multiple options are joined by "and". You may specify "or" with the -o flag and the use of grouped parentheses.
To match all files modified more than 7 days ago and accessed more than 30 days ago, use:. You may specify "not" with an exclamation point. To match all files ending in. You can specify the following actions for the list of files that the find command locates:.
This saves a considerable amount of time. Up arrow - Typing the up arrow on the command line will show you the last command that was executed. You can just modify this one or run it again to see the results of the same or new file.
If you do not have a printer setup with the Unix commands, you will have to find the file in the window system and print how you would normally print it. Cygwin users: You can open regular text files in MS Word and save and print them normally. Viewing contents of a file vi filename - vi is a visual program to view the text in a file such as the results from a program. It will return you to the command line so you can run something else. Esc - escape ends the current mode you are in i.
ZZ - Capital ZZ. The grep command consists of three parts in its most basic form. The first part starts with grep , followed by the pattern that you are searching for. After the string comes the file name that the grep searches through. The command can contain many options, pattern variations, and file names. Combine as many options as necessary to get the results you need.
Below are the most common grep commands with examples. Note: Grep is case-sensitive. Make sure to use the correct case when running grep commands. To print any line from a file that contains a specific pattern of characters, in our case phoenix in the file sample2 , run the command:.
Grep will display every line where there is a match for the word phoenix. When executing this command, you do not get exact matches. Instead, the terminal prints the lines with words containing the string of characters you entered. Here is an example:. Tip: If your search pattern includes characters other than alphanumeric, use quotation marks. This includes blank spaces or any symbol. To search multiple files with the grep command, insert the filenames you want to search, separated with a space character.
In our case, the grep command to match the word phoenix in three files sample , sample2 , and sample3 looks like this example:. The terminal prints the name of every file that contains the matching lines, and the actual lines that include the required string of characters.
You can append as many filenames as needed. The terminal prints a new line with the filename for every match it finds in the listed files. Tip: Refer to our article Xargs Commands to learn how to use xargs with grep to search for a string in the list of files. To search all files in the current directory, use an asterisk instead of a filename at the end of a grep command. The output shows the name of the file with nix and returns the entire line.
Grep allows you to find and print the results for whole words only. To search for the word phoenix in all files in the current directory, append -w to the grep command. This option only prints the lines with whole-word matches and the names of the files it found them in:.
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