How to grep if Argument list too long?

/bin/grep: Argument list too long. A second option to overcome the error is: substitute the “ * ” (asterisk) with a “ . ” (dot), like: grep -r “example\.com” . In newer versions of grep you can omit the “ .

How do I fix arguments too long in Linux?

There are a number of solutions to this problem (bash: /usr/bin/rm: Argument list too long). Remove the folder itself then recreate it. If you still need that directory, then recreate with the mkdir command.

How to do grep on large number of files in a directory?

Make sure that you use -exec grep PATTERN {} + , which packs as many files as it can per command invocation, and not -exec grep PATTERN {} \; , which executes grep once per file: executing the command once per file is likely to be significantly slower.

How do I grep a large file?

Here are a few options:

  1. Prefix your grep command with LC_ALL=C to use the C locale instead of UTF-8.
  2. Use fgrep because you’re searching for a fixed string, not a regular expression.
  3. Remove the -i option, if you don’t need it.

What is the argument command in Linux?

An argument, also called command line argument, can be defined as input given to a command line to process that input with the help of given command. Argument can be in the form of a file or directory. Arguments are entered in the terminal or console after entering command. They can be set as a path.

How do I delete an argument list too long?

To resolve this issue and delete all files use xargs command-line utility with the find command.

  1. First change to the directory where all files exists: cd dir_contains_file.
  2. Then execute command to delete all files in current directory and its sub directories. WARNING – This will also delete files from subdirectories.

How find large files in Linux?

The procedure to find largest files including directories in Linux is as follows:

  1. Open the terminal application.
  2. Login as root user using the sudo -i command.
  3. Type du -a /dir/ | sort -n -r | head -n 20.
  4. du will estimate file space usage.
  5. sort will sort out the output of du command.

How filter large files Linux?

Find Large files and Ddrectories using the du command sort -rh : Sort all file size values in human-readable format ( -h ) and print result in reverse ( -r ). head -10 : Display only the top ten directories eating disk space.

What’s faster than grep?

For both searching single files and huge directories of files, no other tool obviously stands above ripgrep in either performance or correctness. ripgrep is the only tool with proper Unicode support that doesn’t make you pay dearly for it.

Is Zgrep faster than grep?

The grep utility searches text files for regular expressions, but it can search for ordinary strings since these strings are a special case of regular expressions. However, if your regular expressions are in fact simply text strings, fgrep may be much faster than grep .

How do I pass a command line argument in Linux?

To pass an argument to your Bash script, your just need to write it after the name of your script:

  1. ./script.sh my_argument.
  2. #!/usr/bin/env bash.
  3. ./script.sh.
  4. ./fruit.sh apple pear orange.
  5. #!/usr/bin/env bash.
  6. ./fruit.sh apple pear orange.
  7. © Wellcome Genome Campus Advanced Courses and Scientific Conferences.

What is an argument in command line?

Command line arguments are just values that are passed to an executable file when it is run. Also known as “command line switches” or “command line options,” command line arguments are usually used to set program options, or to pass along the location of a file that the program should load.

Is there a way to exclude multiple patterns in grep?

Sometimes, we need to filter lines that do not match a specified pattern. In this quick tutorial, we’ll quickly review how to reverse the match for multiple patterns with the grep command. The grep command should be available on any standard Linux installation. 2. Exclude Patterns Passed as Arguments

Is the argument list too long in grep?

There are around 500+ users in the same server. The + modifier makes it group the filenames in manageable chunks. However, you can do it with grep -r. The arguments to this should be the directory names, not filenames. This will just have 500+ arguments, not thousands of filenames.

Is the argument list too long for LS?

Even though ls produces more output than ls *.txt produces (or attempts to produce), it doesn’t run into the “argument too long” problem, because you’re not passing any arguments to ls. Note that grep takes a regular expression rather than a file matching pattern.

How to exclude multiple patterns from a text file?

Exclude Patterns Passed as Arguments The grep command matches the input text for one of the specified patterns. First, let’s create a text file: $ cat << EOF > /tmp/baeldung-grep Time for some thrillin’ heroics. You can’t take the sky from me. May have been the losing side. Still not convinced it was the wrong one.