BashSnippets

BashSnippets is a Visual Studio Code extension that provides a collection of snippets for bash scripting.

Snippets

Here is a list of all the snippets and their triggers included in this extension:

• shebang: Shebang
• e: Echo
• fn: Function
• fnd: Function in a library with definitions of params and exports
• if: if block
• ife: if else block
• elif: elif block
• until: until block
• main: a main function declaration with passthrough of all parameters passed to the file
• const: creates a local readonly variable ie. a constant (this is meant for use within functions only)
• todo: creates a local readonly variable ie. a constant
• array: Creates an array with two elements
• forarray: Creates a loop echoing all variables in an array
• forindex: Creates a loop echoing all indexes in a range
• while: while loop
• case: case statement
• for: for loop
• read: read input
• param: parameter expansion
• trap: trap statement
• here: here document
• herestring: here string
• herestringdelim: here string with delimiter
• heredocdelim: here document with delimiter
• heredocEOF: here document with EOF
• heredocEOFdelim: here document with EOF and delimiter
• herestringEOF: here string with EOF
• herestringEOFdelim: here string with EOF and delimiter
• herestringdelim: here string with delimiter
• export: Export a variable
• source: Source a file
• alias: Create an alias
• test: Test condition
• paramsub: Parameter expansion with substring
• paramrep: Parameter expansion with pattern replacement
• paramlen: Parameter expansion with length of variable
• paramdef: Parameter expansion with default value
• paramasg: Parameter expansion with assignment of default value
• paramerr: Parameter expansion with error message if variable is unset or null
• paramsuf: Parameter expansion with removal of smallest suffix pattern
• parambig: Parameter expansion with removal of largest suffix pattern
• parampre: Parameter expansion with removal of smallest prefix pattern
• parambigpre: Parameter expansion with removal of largest prefix pattern
• paramrepdef : - Parameter expansion with replacement and default value
• cd : - Change directory
• mkdir : - Make directory
• touch : - Create a new file
• rm : - Remove a file
• ls : - List directory contents
• grep : - Search for a pattern in a file
• find : - Find files in a directory
• tar : - Create a tar archive
• untar : - Extract a tar archive
• wget : - Download a file from the internet
• curl : - Transfer data from or to a server
• chmod : - Change file permissions
• chown : - Change file owner and group
• chgrp : - Change file group
• ps : - List running processes
• kill : - Kill a process
• top : - Display Linux processes
• free : - Display amount of free and used memory in the system
• df : - Display disk usage
• du : - Display disk usage statistics
• uname : - Print system information
• date : - Display the system date and time
• uptime : - Show how long the system has been running
• who : - Show who is logged on
• w : - Show who is logged on and what they are doing
• finger : - Display information about user
• id : - Print real and effective user and group IDs
• last : - Show last logins of users and ttys
• whoami : - Print the effective userid
• groups : - Print the groups a user is in
• hostname : - Print the system hostname
• dmesg : - Print or control the kernel ring buffer
• lsmod : - Show the status of modules in the Linux Kernel
• lspci : - List all PCI devices
• lsusb : - List all USB devices
• lscpu : - Display information about the CPU architecture
• lsblk : - List block devices
• lshw : - List hardware
• lsscsi : - List SCSI devices
• lsdev : - List devices
• checknet : - Check if the internet is on or off
• checknetdns : - Check if the internet is on or off using DNS
• checknetdnsretry : - Check if the internet is on or off using DNS and retry every 5 seconds
• checknetdnsretrytimeout : - Check if the internet is on or off using DNS and retry every 5 seconds with a timeout of 60 seconds
• checknetdnsretrytimeouterr : - Check if the internet is on or off using DNS and retry every 5 seconds with a timeout of 60 seconds and an error message
• checknetdnsretrytimeouterrex : - Check if the internet is on or off using DNS and retry every 5 seconds with a timeout of 60 seconds and an error message and exit
• casepattern : - case statement with pattern matching
• select : - select loop for menu-like interfaces
• getopts : - getopts loop for processing command-line options
• fileexist : - check if a file exists
• direxist : - check if a directory exists
• fileread : - check if a file is readable
• filewrite : - check if a file is writable
• fileexec : - check if a file is executable
• fileowner : - check if a file is owned by the user
• filegroup : - check if a file is owned by the group
• fileempty : - check if a file is empty
• filesize : - check if a file is larger than 0 bytes
• filetype : - check the type of a file
• fileperm : - check the permissions of a file
• fileage : - check the age of a file
• filecontent : - check the content of a file
• filecontentregex : - check the content of a file with a regex
• filecontentregexcase : - check the content of a file with a case insensitive regex
• filecontentregexword : - check the content of a file with a whole word regex
• filecontentregexwordcase : - check the content of a file with a whole word case insensitive regex
• filecontentregexwordlinenum : - check the content of a file with a whole word regex and line number
• filecontentregexwordcaselinenum : - check the content of a file with a whole word case insensitive regex and line number
• filecontentregexwordlinenumfile : - check the content of a file with a whole word regex and line number and file name
• filecontentregexwordcaselinenumfile : - check the content of a file with a whole word case insensitive regex and line number and file name
• filecontentregexwordlinenumfilecount : - check the content of a file with a whole word regex and line number and file name and count
• filecontentregexwordcaselinenumfilecount : - check the content of a file with a whole word case insensitive regex and line number and file name and count
• filecontentregexwordlinenumfilecounterr : - check the content of a file with a whole word regex and line number and file name and count and error message
• filecontentregexwordcaselinenumfilecounterr : - check the content of a file with a whole word case insensitive regex and line number and file name and count and error message
• filecontentregexwordlinenumfilecounterrex : - check the content of a file with a whole word regex and line number and file name and count and error message and exit
• filecontentregexwordcaselinenumfilecounterrex : - check the content of a file with a whole word case insensitive regex and line number and file name and count and error message and exit
• whilecond : - while loop with a specified condition
• break : - break statement to exit a loop or switch statement
• continue : - continue statement to skip the rest of a loop and start the next iteration
• sleep : - pause the script for a specified number of seconds
• awk : - AWK one-liner for text processing
• sed : - SED one-liner for text processing
• tail : - display the last part of a file
• head : - display the first part of a file
• sort : - sort lines of text files
• uniq : - report or filter out repeated lines in a file
• cut : - remove sections from each line of a file
• paste : - merge lines of files
• awkscript : - AWK script template
• sedscript : - SED script template
• grepcolor : - search for a pattern in a file with color
• greplinenum : - search for a pattern in a file with line number
• grepword : - search for a pattern in a file as a whole word
• grepwordlinenum : - search for a pattern in a file as a whole word with line number
• grepwordlinenumfile : - search for a pattern in a file as a whole word with line number and file name
• grepwordlinenumfilecount : - search for a pattern in a file as a whole word with line number and file name and count
• grepwordlinenumfilecounterrex : - search for a pattern in a file as a whole word with line number and file name and count and error message
• grepwordlinenumfilecounterrexexit : - search for a pattern in a file as a whole word with line number and file name and count and error message and exit
• grepwordlinenumfilecounterrexexitcase : - search for a pattern in a file as a whole word with line number and file name and count and error message and exit and case insensitive
• forfile : - loop through files in a directory
• casepat : - case statement with a specific pattern
• select : - create a select menu in a script
• fnparam : - function with parameters and default values
• ifempty : - if statement for checking if a variable is null or an empty string
• untilcond : - until loop with a specified condition
• casemulti : - case statement with multiple patterns
• loopexec : - execute a command in a loop for each element in a collection
• iffileexists : - if statement for checking if a file exists
• ifdirexists : - if statement for checking if a directory exists
• ifcommandexists : - if statement for checking if a command exists in the system
• readfile : - read lines from a file in a loop
• fnvarargs : - function with a variable number of arguments
• forlineinfile : - loop through lines in a file
• getscriptdir : - get the directory of the script
• caseesac : - case statement with esac
• ifinstalled : - check if a program is installed
• ifroot : - check if a user has root privileges
• outputtofile : - redirecting output to a file
• outputerrorstofile : - redirecting output and errors to a file
• ifreadable : - if statement for checking if a file is readable
• ifwritable : - if statement for checking if a file is writable
• ifexecutable : - if statement for checking if a file is executable
• ifsubstring : - if statement for checking if a string contains a substring
• ifstartswith : - if statement for checking if a string starts with a prefix
• ifendswith : - if statement for checking if a string ends with a suffix
• commentblock : - useful comment block
• readvalidate : - read and validate user input

Installation

1. Open Visual Studio Code
2. Press Ctrl+P to open the Quick Open dialog
3. Type ext install WaseemAkram.bashnsippets to find the extension
4. Click the Install button, then the Enable button

Usage

To use the snippets, open a Bash file, and start typing the name of a snippet. You'll see a dropdown list of suggestions. You can navigate through this list with Up and Down arrow keys. To insert a snippet, press Enter.

Contributing

If you have suggestions for improving the BashSnippets, please open an issue or submit a pull request.

License

MIT © Waseem Akram