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Prefer ruby to do the magic, use python if no perl

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David Majnemer 2010-06-17 10:59:40 -07:00
parent a7c412e980
commit 38624a82ea
1 changed files with 6 additions and 1 deletions
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7
commonsh/10_utility
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@ -10,11 +10,16 @@ unkey_host ()
err ()
{
if [ -e /usr/include/errno.h ] ; then
if ( command -v ruby > /dev/null 2>&1 ); then
ruby -e "Errno.constants.map{|errstr| errno = eval('Errno::' + errstr + '::Errno'); puts errstr if errno == $@}"
elif [ -e /usr/include/errno.h ] ; then
cpp -dM /usr/include/errno.h | grep -w "E.* $@"
fi
if ( command -v perl > /dev/null 2>&1 ) ; then
perl -MPOSIX -e 'print strerror($ARGV[0])."\n";' $@
elif ( command -v python > /dev/null 2>&1 ) ; then
python -c "import os;print(os.strerror($@))"
fi
}