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#! /bin/bash | |
# Wrapper for "stata -b" which issues an informative error msg and appropriate | |
# (i.e., non-zero) return code | |
# The basic idea for this script (including grepping the log file to determine | |
# whether there was an error) was taken from a similar script posted by Brendan | |
# Halpin on his blog at http://teaching.sociology.ul.ie/bhalpin/wordpress/?p=122 | |
args=$# # number of args | |
cmd="" | |
if [ "$1" = "do" ] && [ "$args" -gt 1 ] | |
then | |
log="`basename -s .do "$2"`.log" | |
# mimic Stata's behavior (stata-se -b do "foo bar.do" -> foo.log) | |
log=${log/% */.log} | |
# Stata requires explicit -do- command, but we relax this to permit just the | |
# name of a single do-file | |
elif [ "$args" -eq 1 ] && [ "${1##*.}" = "do" ] && [ "$1" != "do" ] | |
then | |
cmd="do" | |
log="`basename -s .do "$1"`.log" | |
log=${log/% */.log} | |
else | |
# else Stata interprets it as a command and logs to stata.log | |
log="stata.log" | |
fi | |
# in batch mode, nothing sent to stdout (is this guaranteed?) | |
stderr=`stata-se -b $cmd "$@" 2>&1` | |
rc=$? | |
if [ -n "$stderr" ] # typically usage info | |
then | |
echo "$stderr" | |
exit $rc | |
elif [ $rc != "0" ] | |
then | |
exit $rc | |
else | |
# use --max-count to avoid matching final line ("end of do-file") when | |
# do-file terminates with error | |
if egrep --before-context=1 --max-count=1 "^r\([0-9]+\);$" "$log" | |
then | |
exit 1 | |
fi | |
fi |
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