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Full Discussion: Function problem
Top Forums Shell Programming and Scripting Function problem Post 302885181 by hawkfro12 on Friday 24th of January 2014 04:17:31 AM
Old 01-24-2014
Function problem

hey guys, im trying to learn bourne shell atm and I'm having some issues with functions.



so heres my code:

Code:
#!/bin/bash

##functions

memory () {
free -m
}

space () {
    df -h
}


ip () {
    arp
}


user () {
    whoami
}



#'eingabemenü'

echo " hello how would you like to proceed? "
echo " 1) check memory "
echo " 2) check free space "
echo " 3) ip info "
echo " 4) user info "
echo " 5) nothing i'd just like to exit "

##read

read input;

case $input in 

    1)  echo " you've selected check memory..1 sec pls "
echo -e " free memory: " ; free -m;;
    2)  echo " you've selected check free space..1 sec pls "
echo -e " free space: " ; df -h;;
    3)  echo " you've selected ip info . 1 sec pls "
echo -e  " ipinfo: " ; ifconfig;;
    4)  echo " you've selected user info..1 sec pls "
echo -e " benutzer: " ; whoami;;
     5)  exit
esac

i came this far, Smilie now my problem is, i want to open my shell script by
Quote:
test.sh space
for example and i want the function "space" which ive created to show me the info I need.

can anyone help me trying to fix this. thanks guys
 

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echo(1B)					     SunOS/BSD Compatibility Package Commands						  echo(1B)

NAME
echo - echo arguments to standard output SYNOPSIS
/usr/ucb/echo [-n] [argument] DESCRIPTION
echo writes its arguments, separated by BLANKs and terminated by a NEWLINE, to the standard output. echo is useful for producing diagnostics in command files and for sending known data into a pipe, and for displaying the contents of envi- ronment variables. For example, you can use echo to determine how many subdirectories below the root directory (/) is your current directory, as follows: o echo your current-working-directory's full pathname o pipe the output through tr to translate the path's embedded slash-characters into space-characters o pipe that output through wc -w for a count of the names in your path. example% /usr/bin/echo "echo $PWD | tr '/' ' ' | wc -w" See tr(1) and wc(1) for their functionality. The shells csh(1), ksh(1), and sh(1), each have an echo built-in command, which, by default, will have precedence, and will be invoked if the user calls echo without a full pathname. /usr/ucb/echo and csh's echo() have an -n option, but do not understand back-slashed escape characters. sh's echo(), ksh's echo(), and /usr/bin/echo, on the other hand, understand the black-slashed escape characters, and ksh's echo() also understands a as the audible bell character; however, these commands do not have an -n option. OPTIONS
-n Do not add the NEWLINE to the output. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscpu | +-----------------------------+-----------------------------+ SEE ALSO
csh(1), echo(1), ksh(1), sh(1), tr(1), wc(1), attributes(5) NOTES
The -n option is a transition aid for BSD applications, and may not be supported in future releases. SunOS 5.10 3 Aug 1994 echo(1B)
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