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Revision 8978

Added by Aaron Marcuse-Kubitza over 11 years ago

lib/util.sh: exceptions: added save_e

View differences:

util.sh
33 33 
alias rethrow='return "$e"'
34 34 
alias rethrow_subshell='exit "$e"'
35 35 

  		




  
  36
  
    
fi # load new aliases


  		




  
  37
  
    
if self_being_included; then


  		




  
  38
  
    

  		




  
  39
  
    
# usage: save_e cmd... || use $e (or $?)


  		




  
  40
  
    
function save_e () { "$@"; e=$?; rethrow; } # rethrow because e= clears $?


  		




  
  41
  
    
alias save_e='declare e; save_e ' # last space alias-expands next word


  		




  
  42
  
    

  		




  36
  43
  
    
# usage: try cmd...; ignore status; if catch status; then ...; fi; end_try


  		




  37
  44
  
    

  		




  38
  45
  
    
try_ () { { "$@"; e=$?;} || true; }


  		












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