dono
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A shell function will do nothing unless it is explicitly called by other code, typically in a shell script. A shell script is a runnable, executable process, which can call other shell scripts and/or functions. The question might be worded backwards - it is necessary to write shell functions for shell scripts when certain logical functionality is required to be performed multiple times. Consider a shell function equivalent to a program subroutine - they operate the same way.
echo "Program to check even or odd number"echo "Enter a number"read na=`expr $n % 2`if [ $a -eq 0 ] ; then #Semicolon is most important for Executing ifelse statementsecho "It is an even number"elseecho "It is an odd number"fi
yes
dono
k
write a shell program for finding out gcd of three given numbers? write a shell program for finding out gcd of three given numbers? write a shell program for finding out gcd of three given numbers? check bellow link http://bashscript.blogspot.com/2009/08/gcd-of-more-than-two-numbers.html
no thanks
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Avogadro's number is a constant. Therefore only one number is equal to Avogadro's number.
You don't say what you want to do with the permissions, but most shells have a 'test' command that can look at various permissions. Look at the 'man' command for the shell you are running in to see what tests are possible on files and directories. You can check to see if the target is a directory, or a file, and whether it has read, write, or execute/search permissions. Again, it varies by the shell environment.
syntax error
in winxp del *.* /Q /S
The 'users' command should do that; you don't need to write a shell script to get that information in that format.
echo "Enter the Number" read n r=`expr $n % 2` if [ $r -eq 0 ] then echo "$n is Even number" else echo "$n is Odd number" fi
see : Write_a_shell_program_using_the_if-the-else_to_test_whether_a_variable_name_is_a_directory_or_a_file