what do u mean by $#,$* in unix programming?
- 5 Answers
- 11825 Views
- Convergys, TCS, I also Faced
- E-Mail Answers
Answer Posted / siva prasad
$#- total no of positional parameters excluding the program
name
$*- all the arguments excluding the program name
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
I have 2 files and I want to print the records which are common to both.
Explain about debugging?
What are the advantages of shell scripting?
What is awk in shell scripting?
What is difference between bash and shell?
What are the advantages of using shell scripts?
What is the best shell scripting language?
What is the difference between grep and egrep?
What is in a script?
What is a scripting language simple definition?
How do I run a .sh file on mac?
Explain about return code?
Shifting positional parameter in Linux fedora core ? Hi I have written following shell script for display value of positional. But in 11th and 12 field will display without shifting command. May I know is it advance of Linux of programming code error? #!/usr/bin/bash echo "Bellow is the out of ps command" echo "`ps`" echo "The passing Parameter i.e output of \$1,2... value is:==> $11 " echo "Total number of passed argument \$# is:==> $#" echo "Passed argument names (\$*) are:==>$*" echo "This script PID(\$$) is :=>$$" echo "The name of executing script(\$0) is :==>$0" echo "The Parent ID of this script(\$PPID) is:==>$PPID" And my input to this script is ./scriptname arg1 arg2 arg3 arg4 arg5 arg6 arg7 arg8 arg9 arg10 arg11 arg12 Output Is Bellow is the out of ps command PID TTY TIME CMD 2892 pts/0 00:00:00 bash 3172 pts/0 00:00:00 positional_para 3173 pts/0 00:00:00 ps The passing Parameter i.e output of $1,2... value is:==> arg11 Total number of passed argument $# is:==> 13 Passed argument names ($*) are:==>arg1 arg2 arg3 arg4 arg5 arg6 arg7 arg8 arg9 arg10 arg11 arg12 arg13 This script PID($$) is :=>3172 The name of executing script($0) is :==>./positional_parameter The Parent ID of this script($PPID) is:==>2892 After the ps output please see the next line I.e $11 value comes out without shifting the parameter. How is it give me my friends
Is shell scripting easy to learn?
What is the command to find out today's date?
