Write a shell program to delete all the files in the current directory?

Zoe Howell asked a question: Write a shell program to delete all the files in the current directory?
Asked By: Zoe Howell
Date created: Sat, Jul 10, 2021 4:37 AM

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FAQ

Those who are looking for an answer to the question «Write a shell program to delete all the files in the current directory?» often ask the following questions:

😳 How do you print the current directory in shell program?

pwd

😳 How to delete older files using shell script?

  • Just spicing up the shell script above to delete older files but with logging and calculation of elapsed time The code adds a few things. calculates the elapsed time for the backup operation... Note: to test the code, just use -print instead of -print -delete. But do check your path carefully though.

😳 How do you write a shell script program?

  1. Create a file using a vi editor(or any other editor). Name script file with extension . sh.
  2. Start the script with #! /bin/sh.
  3. Write some code.
  4. Save the script file as filename.sh.
  5. For executing the script type bash filename.sh.

1 other answer

in winxp del . /Q /S

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How do i get the current directory in bash?

Print Current Working Directory ( pwd )

To print the name of the current working directory, use the command pwd . As this is the first command that you have executed in Bash in this session, the result of the pwd is the full path to your home directory.

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How to find the current working directory in bash?

  • When scripting together a bash script you might need to know your current working directory at some point. The current working directory is conveniently stored in the variable $PWD which is available in all POSIX compliant shells. Another option to get the current working directory is by using the pwd command.

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How to list all files in a directory bash?

  • Type the ls * command to list the contents of the directory with it's subdirectories: Type the ls -R command to list all files and directories with their corresponding subdirectories down to the last file: If you have a lot of files, this can take a very long time to complete as every single file in each directory will be printed out.

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How to set the current working directory in bash?

  • The gotcha is that your paths are relative to your current directory, so the working directory must be reset back to the starting point at the beginning of each iteration in order for cd to work with your relative path. The ( ... ) subshell does that for us (the directory change lasts only for the scope of the subshell).

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How to delete files and directories in bash?

  • Delete a Directory ( rm -r) To delete (i.e. remove) a directory and all the sub-directories and files that it contains, navigate to its parent directory, and then use the command rm -r followed by the name of the directory you want to delete (e.g. rm -r directory-name ).

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How to delete files with names in bash?

  • Your default bash shell considers many of these special characters (also known as meta-characters) as commands. If you try to delete or move/copy such files you may end up with errors. In this example, I am trying to delete a file named ‘>file’:

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How do i know my current shell?

  1. ps -p $$ – Display your current shell name reliably.
  2. echo "$SHELL" – Print the shell for the current user but not necessarily the shell that is running at the movement.

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How to check current shell in linux?

  • How to check which shell am I using: Use the following Linux or Unix commands: ps -p $$ – Display your current shell name reliably. echo "$SHELL" – Print the shell for the current user but not necessarily the shell that is running at the movement.

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How to unzip files in shell script?

  • Open the PowerShell window.
  • execute the below command while replacing and with the actual zip file path and destination folder path respectively. Expand-Archive -LiteralPath -DestinationPath
  • close the PowerShell window.

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How to iterate through files in a directory with bash?

  • (This works with any POSIX find, but the shell part requires bash. With *BSD and GNU find, you can use -print0 instead of -exec printf '%s\\0' {} +, it will be slightly faster.) This makes it possible to use standard input within the loop, and it works with any path.

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Write a shell program in unix which dispay a following pattern 1 01 101 0101 10101?

#!/usr/bin/bash echo 1 01 101 0101 10101

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How to run shell program in linux?

Steps to write and execute a script

  1. Open the terminal. Go to the directory where you want to create your script.
  2. Create a file with . sh extension.
  3. Write the script in the file using an editor.
  4. Make the script executable with command chmod +x <fileName>.
  5. Run the script using ./<fileName>.

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How to change path into program files git bash?

  • You need to change this Windows CMD to Git Bash. Go to File > Preferences > Settings and type shell in search settings. After that, navigate to Terminal > Integrated > Shell:Windows and update the path with Git Bash executable: C:Program FilesGitbinbash.exe and save.

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How do you write shell commands?

  1. Create a file using a vi editor(or any other editor). Name script file with extension . sh.
  2. Start the script with #! /bin/sh.
  3. Write some code.
  4. Save the script file as filename.sh.
  5. For executing the script type bash filename.sh.

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How to copy files from one directory to another in bash?

  • If you don't want to copy all the files, you can use braces to select files: This will copy file1, file2, xyz, and abc. You should read the sections of the bash man page on Brace Expansion and Pathname Expansion for all the ways you can simplify this.

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Why does bash execute command on all files in a directory?

  • This is needed because as noted previously, the shell filenames can contain dashes anywhere in the filename. Some of the shell commands interpret that and treat them as a command option when the name are not quoted properly and executes the command thinking if the flag is provided.

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How to write a c program in bash?

  • 3. Write your first program on bash Use a text editor such as nano or vi to create a C program called hello.c: Type the following lines (program): After writing your program, press Ctrl + O and hit Enter key to save your program. To exit nano press Ctrl + X. 4. Compile and Run Program

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How do i change the working directory in shell?

In the shell, the command cd - is a special case that changes the current working directory to the previous working directory by exchanging the values of the variables PWD and OLDPWD. Note: Repeating this command toggles the current working directory between the current and the previous working directory.

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How to change the directory of a shell script?

  • Basically I need to run the script with paths related to the shell script file location, how can I change the current directory to the same directory as where the script file resides? The original post contains the solution (ignore the responses, they don't add anything useful).

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How do i find pid of current shell?

  1. Open the terminal application.
  2. Run your command or app in the background…
  3. To get the PID of the last executed command type: echo "$!"

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How do you concatenate files in windows shell?

  • The Windows shell command type can do this: Type type command also writes file names to stderr, which are not captured by the > redirect operator (but will show up on the console). You can use Windows shell copy to concatenate files.

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How to display current time in linux shell?

  • How can I display the current time in Linux shell script? #!/bin/bash now = "$ (date)" printf "Current date and time %s " "$now" now = "$ (date +'%d/%m/%Y')" printf "Current date in dd/mm/yyyy format %s " "$now" echo "Starting backup at $now, please wait..."

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How to print current date in shell script?

  • Print current date and time in Unix shell script. To store current date and time to a variable, enter: now=$ (date) OR. now=`date`.

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How to send scp files using shell script?

  • Instead of hardcoding password in a shell script, use SSH keys, its easier and secure. assuming your private key is at ~/.ssh/id_rsa and the files you want to send can be filtered with *.derp

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