diff options
Diffstat (limited to 'src/common')
| -rw-r--r-- | src/common | 33 |
1 files changed, 29 insertions, 4 deletions
@@ -26,15 +26,40 @@ failure() { exit ${2:-'255'} } -# write output to stderr +# write output to stderr based on specified LOG_LEVEL the first +# parameter is the priority of the output, and everything else is what +# is echoed to stderr log() { + local priority local level + local output - level="$1" + # translate lowers to uppers in global log level + LOG_LEVEL=$(echo "$LOG_LEVEL" | tr "[:lower:]" "[:upper:]") + + # just go ahead and return if the log level is silent + if [ "$LOG_LEVEL" = 'SILENT' ] ; then + return + fi + + # get priority from first parameter, translating all lower to + # uppers + priority=$(echo "$1" | tr "[:lower:]" "[:upper:]") shift - echo -n "ms: " >&2 - echo "$@" >&2 + # scan over available levels + # list in decreasing verbosity (all caps) + for level in DEBUG INFO ERROR ; do + # output if the log level matches, set output to true + # this will output for all subsequenty loops as well. + if [ "$LOG_LEVEL" = "$level" ] ; then + output=true + fi + if [ "$priority" = "$level" -a "$output" = 'true' ] ; then + echo -n "ms: " >&2 + echo "$@" >&2 + fi + done } # cut out all comments(#) and blank lines from standard input |