6. Default Parameter Values in Functions

pravjot July 11

6. Default Parameter Values in Functions
Create a Bash script with a function named `greet` that takes two parameters: a name and a greeting. If no greeting is provided, it should default to "Hello". Demonstrate the function by calling it with and without the second parameter.
abhinandan2971verma October 21

1 #! /bin/bash
2
3 greet()
4 {
5 local name=$1;
6 local greeting=${2:- "hello"}
7 echo "$name,$greeting"
8 }
9
10 var=" jack "
11 greeting="bye"
12 greet $var
13 greet $var $greeting

Add a Comment

Powered by Vanilla

Howdy, Stranger!

It looks like you're new here. If you want to get involved, click one of these buttons!

Sign In Apply for Membership

Categories

All Discussions0
000 Linux System Administration25
001 C Programming, Data Structures101
» 001.01.Introduction to C1
» 001.16.Structures21
002 OOPs using C++ with Eclipse on Linux22
003 Linux System Programming375
» 003.01.Processes-and-Resources-Utilization26
» 003.01.91.Interview-Questions-Introductory-Concepts20
» 003.01.92.Interview-Questions-Introductory-Concepts5
» 003.02.Process-Management. Introduction21
» 003.02.91.Interview Questions. Intro-to-Processes20
» 003.03.Process-Management - Process Duplication91
» 003.03.92.Interview-Questions-Process-Duplication20
» 003.03.93.Interview-Questions-Process-Duplication20
» 003.03.94.Interview-Questions-Process-Duplication20
» 003.03.95.Interview-Questions-Process-Duplication20
» 003.03.96.Interview-Questions-Process-Duplication10
» 003.04.Process-Management - Process Replacement67
» 003.04.81.Assignment. Process Replacement24
» 003.04.91.Interview-Questions-Process-Replacement20
» 003.04.92.Interview-Questions-Process-Replacement22
» 003.05.01.Inter-Process-Communication. Pipes22
» 003.06.Inter Process Communication. FIFOs21
» 003.07.Signals and Handlers43
» 003.07.91.Assignment. Signals and Handlers20
» 003.07.92.Assignment. Signals and Handlers22
» 003.08.Inter Process Communication Message Queues1
» 003.09.Inter Process Communication. Shared Memory1
» 003.10.Synchronization Techniques. Semaphore21
» 003.11.POSIX-Threads21
004 Linux Network Programming32
» 004.02.Networking Basics1
» 004.03.Introduction-to-Sockets21
» 004.05.Transmission Control Protocol1
005 Character Device Drivers Development32
» 005.01.Introduction To Device Drivers11
006.Project Evolution with GitLab2
» 01.Introduction To GitLab1
008 Block Device Driver Development4
» 008.01.Introduction to Block Device Drivers1
009 Embedded Linux-ARM. Storage90
» 009.01.Linux Boot Process28
» 009.01.14.Linux-Boot-Process5
» 009.01.15.Introduction to BIOS0
» 009.01.16.Introduction-to-BIOS-IQs5
» 009.01.18.Introduction-to-BIOS-IQs5
» 009.01.20.BIOS CMOS UEFI. IQs5
» 009.02.Introduction To Embedded Linux1
» 009.03.01.ARM Processor Architecture1
» 009.03.02.Programmers Model1
» 009.04.Boot Loaders50
» 009.05.Understanding-ARM-Board-Bringup1
» 009.06-Board Bringup Raspberry Pi0
» 009.06.Board Bringup. Raspberry Pi41
010 Embedded Linux ARM, Configuring and Porting using Storage0
011 Shell Scripting using Bash90
» 011.01.Introduction to Shells and Shell Scripts1
» 011.02.Basics of Shell Scripting - Bash1
» 011.03.Conditions and Branching23
» 011.04.Loops and Iterations/31
» 011.04.81.Assignment. Branching and Looping10
» 011.05.Reserved-Words-Bullitin-Commands-Command-Line-Parsing1
» 011.06.Parameters and Variables1
» 011.07.Structured Scripting. Functions11
» 011.08.Arrays-Strings-in-bash11
» 011.09.File Operations and Commands1
» 011.10.Writing-Manual-Pages1
» 011.11.Makefile1
» 011.12.sed-awk1
012 Linux Kernel Architecture and Internals3
014. Linux Network Administration296
» 014.01.Intro to NW and Configurations220
» 014.01.12.Introduction to Networking10
» 014.01.14.Packets-IQs10
» 014.01.16.NetworkLayers10
» 014.01.18.The Internet Layer20
» 014.01.20.routes and the kernel routing table10
» 014.01.22.The Default Gateway5
» 014.01.24.IPv6 Addresses And Networks20
» 014.01.26.Basic ICMP And DNS Tools10
» 014.01.28.The Physical Layer And Ethernet5
» 014.01.30.Understanding Linux Network Interface5
» 014.01.32.Intro To Network Interface Configuration5
» 014.01.34.Boot Activated Network Configuration5
» 014.01.36.Manual and Boot Activated Nw Config5
» 014.01.38.Network Configuration Managers10
» 014.01.40.Resolving Hostnames19
» 014.01.42.The Transport Layer TCP UDP Services.10
» 014.01.44.Understanding DHCP5
» 014.01.46.Automatic IPv6 Network Configuration. IQs5
» 014.01.48.Configuring Linux as Router5
» 014.01.50.Private Networks IPv45
» 014.01.52.Network Address Translation. IP Masquerading5
» 014.01.54.Routers And Linux5
» 014.01.56.Linux Firewall Basics5
» 014.01.58.Setting Firewall Rules5
» 014.01.60.Firewall Strategies10
» 014.01.62.Ethernet-IP-ARP-NDP-IQs5
» 014.01.64.Wireless Ethernet5
» 014.02.Network Applications and Services11
» 014.02.12.Basics of Services3
» 014.02.14.Introduction to Network Servers2
» 014.02.16.Network Servers. Secure Shell5
» 014.06.Network Protocol Telnet38
» 014.06.12.Introduction-To-Telnet3
» 014.06.14.General Working. Telnet5
» 014.06.16.General-Working-Telnet5
» 014.06.18.Network Virtual Terminal3
» 014.06.20.More About Telnet3
» 014.06.22.Installing Telnet on Fedora5
» 014.06.24.Telnet Commands-Fedora3
» 014.06.26.Using Telnet in Linux5
» 014.06.28.Secure telnet with FirewallD. Fedora.3
» 014.06.30.Using Telnet in Linux2
» 014.06.DHCP. A network management protocol26
015 Python with Eclipse on Linux27
101 Advanced Data Structures using C18
105 Parallel Port Device Drivers Development5
205 Serial Port Device Drivers Development3
303 Linux System Programming32
Project 22. Ethernet Network Device Driver Development0
Query557
Project.203 Linux System Programming. MySQL0
Pravjot Sir Classes161
Events at EmbLogic2
Project 16: SPI Device Driver Development2
Project 17: I2C Device Driver Development0
Project 18: PCI Device Driver Development0
Project 19: Embedded Linux on ARM Using Network TFTP0
Project 20: CAN Bus Protocol and Driver Development0
Project 21: USB Device Drivers Development0
Embedded Linux0
ARM Embedded Processor0
Training2
Members Area1
Word From Admin1