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Revision: 45116
at April 25, 2011 05:21 by jeremydouglass
Updated Code 
#!/bin/bash
# POSIX command lookup example
CMDS="tar /usr/bin/mysqldump /path/to/other/command"
for i in $CMDS
do
        # command -v will return >0 when the $i is not found
	command -v $i >/dev/null && continue || { echo "$i command not found."; exit 1; }
done

Revision: 45115
at April 25, 2011 05:20 by jeremydouglass
Initial Code 
#!/bin/bash
# POSIX command lookup example
CMDS="tar /usr/bin/mysqldump /path/to/other/command"
for i in $CMDS
do
        # command -v will return >0 when the $i is not found
	command -v $i >/dev/null && continue || { echo "$i command not found."; exit 1; }
done
Initial URL 
http://www.cyberciti.biz/faq/unix-linux-shell-find-out-posixcommand-exists-or-not/
Initial Description 

                                

                                                            

                                    

                                        

                                        Initial Title
                                        

                                    

                                    
if command exists (Bash)

                                

                                                            

                                    

                                        

                                        Initial Tags
                                        

                                    

                                    
command, Bash

                                

                                                            

                                    

                                        

                                        Initial Language
                                        

                                    

                                    
Bash