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add new feature, sed, Manipulate lines using sed #79

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add new feature, sed, Manipulate lines using sed #79

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08db0cd
add new feature, sed, Manipulate lines using sed
jihuichoi Feb 1, 2019
97b52bf
change multiple sed commands available
jihuichoi Feb 1, 2019
f1ca5fe
misc change tap to space for consistency
jihuichoi Feb 6, 2019
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17 changes: 15 additions & 2 deletions kubetail
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@ dryrun=false
cluster=""
namespace_arg=""

usage="${PROGNAME} <search term> [-h] [-c] [-n] [-t] [-l] [-d] [-p] [-s] [-b] [-k] [-v] [-r] -- tail multiple Kubernetes pod logs at the same time
usage="${PROGNAME} <search term> [-h] [-c] [-n] [-t] [-l] [-d] [-p] [-s] [-b] [-k] [-v] [-r] [-sed] -- tail multiple Kubernetes pod logs at the same time

where:
-h, --help Show this help text
Expand All @@ -65,6 +65,7 @@ where:
--tail Lines of recent log file to display. Defaults to ${default_tail}, showing all log lines.
-v, --version Prints the kubetail version
-r, --cluster The name of the kubeconfig cluster to use.
-sed, --sed Manipulate lines using sed. ex) -sed 's/foo/bar/g'

examples:
${PROGNAME} my-pod-v1
Expand Down Expand Up @@ -174,6 +175,13 @@ if [ "$#" -ne 0 ]; then
tail="$2"
fi
;;
-sed|--sed)
if [ -z "$2" ]; then
sed_command=""
else
sed_command=${sed_command}" -e '$2'"
fi
;;
--)
break
;;
Expand Down Expand Up @@ -329,4 +337,9 @@ if [[ ${follow} == false ]];
then
tail_follow_command=""
fi
tail ${tail_follow_command} -n +1 <( eval "${command_to_tail}" ) $line_buffered

if [ "${sed_command}" = "" ]; then
tail ${tail_follow_command} -n +1 <( eval "${command_to_tail}" ) $line_buffered
else
tail ${tail_follow_command} -n +1 | eval "sed ${sed_command}" <( eval "${command_to_tail}" ) $line_buffered
fi