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author | Derek Stevens <nilix@nilfm.cc> | 2019-12-30 12:38:25 -0500 |
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committer | Derek Stevens <nilix@nilfm.cc> | 2019-12-30 12:38:25 -0500 |
commit | 32943a97baeecbd1edfcf713f1511153b182fae7 (patch) | |
tree | 6c6684e7c27bf01e5a6a2d810322ceca9282cf11 | |
parent | 5ae3818ed833ffcbfe6b1d938679d36368bc154f (diff) |
add xargs to properly check for empty activeChildren string
-rw-r--r-- | shredder.sh | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/shredder.sh b/shredder.sh index d17bfda..c321183 100644 --- a/shredder.sh +++ b/shredder.sh @@ -46,6 +46,10 @@ while true; do for child in ${children}; do activeChildren="${activeChildren} $(ps T | grep $child | awk '{print $1}')" done + + # if no active children, trim the whitespace so we can check for empty string + + activeChildren=$(echo ${activeChildren} | xargs echo) if [ -z "${activeChildren}" ]; then break else |