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Revision 12721

Added by Aaron Marcuse-Kubitza almost 11 years ago

lib/sh/util.sh: save_e: made it idempotent so that it also works if save_e was already called

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trunk/lib/sh/util.sh
208 208 
alias export_e='e=$?'
209 209 

  		




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# **WARNING**: if using this after a command that might succeed (rather than


  		




  211
  
  
    
# only upon error), you must first `unset e`


  		




  
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# only upon error), you must `unset e` before the command


  		




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# idempotent: also works if save_e already called


  		




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alias save_e='# idempotent: use $e if the caller already called save_e


  		




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declare e_=$?;


  		












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