add comments regarding support for CentOS 5
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@ -120,6 +120,10 @@ purge_EBS_Snapshots() {
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for snapshot_id_evaluated in $snapshot_purge_allowed; do
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for snapshot_id_evaluated in $snapshot_purge_allowed; do
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#gets the "PurgeAfterFE" date which is in UTC with UNIX Time format (or xxxxxxxxxx / %s)
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#gets the "PurgeAfterFE" date which is in UTC with UNIX Time format (or xxxxxxxxxx / %s)
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# if running under CentOS 5 - note the use of "grep -P" in the comment below
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# use of grep -P is not used because it breaks compatibility with OS X
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# Mavericks
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# snapshot_purge_allowed=$(echo "$snapshot_tag_list" | grep -P "^.*PurgeAllow\strue$" | cut -f 3)
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purge_after_fe=$(echo "$snapshot_tag_list" | grep .*$snapshot_id_evaluated'\s'PurgeAfterFE.* | cut -f 5)
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purge_after_fe=$(echo "$snapshot_tag_list" | grep .*$snapshot_id_evaluated'\s'PurgeAfterFE.* | cut -f 5)
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#if purge_after_date is not set then we have a problem. Need to alert user.
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#if purge_after_date is not set then we have a problem. Need to alert user.
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if [[ -z $purge_after_fe ]]; then
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if [[ -z $purge_after_fe ]]; then
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