- **status**: accepted --> review
---
** [tickets:#2703] opensaf_scale_out script could not handle \n as argument**
**Status:** review
**Milestone:** 5.18.01
**Created:** Fri Nov 24, 2017 11:46 AM UTC by Per Rodenvall
**Last Updated:** Mon Nov 27, 2017 10:52 AM UTC
**Owner:** Hans Nordebäck
The problem is the fourth script argument that is the optional user data field.
That field could contain a 254-long string that could include none printable
characters as \n.
In the sample code below the script is just interested in the node name that is
the second argument. That could not contain any non-printable characters.
Therefore none printable characters could be removed for this loop with "tr"
Original code:
for node in "$@"; do
node_name=$(echo "$node" | cut -d"$CLM_IFS" -f2)
echo "$node_name" >> "$nodes_cfg_tmp"
done
Modified code:
//# Temporary remove non-printable characters from input argument
arg_without_newline=$(printf "%s" "$@" | tr -cd '[:print:]')
for node in "$arg_without_newline"; do
node_name=$(echo "$node" | cut -d"$CLM_IFS" -f2)
echo "$node_name" >> "$nodes_cfg_tmp"
done
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