Project

General

Profile

« Previous | Next » 

Revision 1950

Added by Aaron Marcuse-Kubitza about 12 years ago

env_password: Use ${BASH_SOURCE0} for $self and $self for $0. return instead of exit on usage error in case user is running it from a shell.

View differences:

env_password
1 1 
#!/bin/bash
2 2 
# Sets a password environment variable
3 3 

  		




  4
  
  
    
self="$(readlink -f -- "$BASH_SOURCE")"


  		




  
  4
  
    
self="$(readlink -f -- "${BASH_SOURCE[0]}")"


  		




  5
  5
  
    

  		




  6
  6
  
    
set -o pipefail


  		




  7
  7
  
    

  		




  8
  
  
    
test "${BASH_LINENO[0]}" = 0 && missing_dot=true || missing_dot=false


  		




  9
  
  
    
    # whether run without initial "."


  		




  10
  
  
    

  		




  11
  8
  
    
store=


  		




  12
  9
  
    
test "$1" = - && { store=1; shift;}


  		




  13
  10
  
    

  		




  14
  
  
    
if $missing_dot || ! test "$#" -ge 1; then


  		




  15
  
  
    
    $missing_dot && self="$0"


  		




  
  11
  
    
# Was run without initial ".", or with insufficient parameters


  		




  
  12
  
    
if test "${BASH_LINENO[0]}" = 0 -o "$#" -lt 1; then


  		




  16
  13
  
    
    echo "Usage: . $self env_var [desc] (note initial \".\")"|fold -s >&2


  		




  17
  
  
    
    exit 2


  		




  
  14
  
    
    return 2


  		




  18
  15
  
    
fi


  		




  19
  16
  
    

  		




  20
  17
  
    
desc="$2"


  		












Also available in:  Unified diff