How do I search for multiple text files in Linux?

How do I search for multiple text files in Linux?

To search multiple files with the grep command, insert the filenames you want to search, separated with a space character. 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.

How do I find Top 10 files in Linux?

Steps to find Largest Directories in Linux

1. du command : Estimate file space usage.
2. sort command : Sort lines of text files or given input data.
3. head command : Output the first part of files i.e. to display first 10 largest file.
4. find command : Search file.

How to find all files containing specific text on Linux?

You can search string in files matching the file name criteria. Below example command will search string “tecadmin” in files ending with .log extension in /var/log directory and its sub-directories. 4. Exclude Some Files from Search If you want to exclude some files matching file name criteria.

How to search all files with a string?

This tutorial will help you to search all files matching a string recursively. This tutorial uses “grep” command to search string in files. Alternatively, You can also also use the find command to search files with specific string. 1. Search Single String in All Files

How to search in a very large file?

This small file (smallF) contains about 50,000 lines and looks like: I have to search all of these strings in a larger file (about 100 million lines). If any line in this larger file contains the search string the line is printed. But this is not very fast.

How long does it take to search a string in Linux?

>ls -has | grep string 1,2G strings.txt >head strings.txt Mfzd0sf7RA664UVrBHK44cSQpLRKT6J0 Uk218A8GKRdAVOZLIykVc0b2RH1ayfAy BmuCCPJaQGhFTIutGpVG86tlanW8c9Pa etrulbGONKT3pact1SHg2ipcCr7TZ9jc ….. So in total the search takes nearly 10 seconds. For some reasons this takes nearly 32 seconds.