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Revision 8886

Added by Aaron Marcuse-Kubitza about 11 years ago

lib/util.sh: added exception-handling (i.e. error-suppressing) functions

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lib/util.sh
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shopt -s expand_aliases


  		




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#### exceptions


  		




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


  		




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


  		




  
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alias try='local e; try_ ' # trailing space alias-expands next word


  		




  
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catch () { test "$e" -eq "$1"; e=0; }


  		




  
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ignore () { catch "$@" || true; }


  		




  
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alias end_try='return "$e"'


  		




  
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#### arrays


  		




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join () { local IFS="$delim"; echo "$*"; } # usage: delim=... join elems...


  		












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