Deal with unicode box drawings in snapper's output #120
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Flupp
reviewed
Jan 4, 2025
| @@ -366,7 +366,7 @@ for x in $selected_configs; do | |||
| BACKUPDIR="$selected_mnt/$mybackupdir" | |||
| $ssh test -d "$BACKUPDIR" || $ssh btrfs subvolume create "$BACKUPDIR" | |||
| else | |||
| mybackupdir=$(snapper -c "$x" list -t single | awk -F"|" '/'"subvolid=$selected_subvolid, uuid=$selected_uuid"'/ {print $5}' | awk -F "," '/backupdir/ {print $1}' | awk -F"=" '{print $2}') | |||
| mybackupdir=$(snapper -c "$x" list -t single | sed 's/│/|/g' | awk -F"|" '/'"subvolid=$selected_subvolid, uuid=$selected_uuid"'/ {print $5}' | awk -F "," '/backupdir/ {print $1}' | awk -F"=" '{print $2}') | |||
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Instead of replacing the Unicode character, it might be cleaner to not produce it in the first place by executing Snapper with LC_ALL=C:
mybackupdir=$(LC_ALL=C snapper -c "$x" list -t single | awk -F"|" '/'"subvolid=$selected_subvolid, uuid=$selected_uuid"'/ {print $5}' | awk -F "," '/backupdir/ {print $1}' | awk -F"=" '{print $2}')(This might be something to consider at other places in the script too where the output of a command line tool is processed by the script.)
Additionally/alternatively, it might make sense to immediately restrict the output to the relevant column; however, this might not be backwards-compatible with older versions of Snapper:
mybackupdir=$(LC_ALL=C snapper -c "$x" list --columns userdata -t single | grep -F "subvolid=$selected_subvolid, uuid=$selected_uuid" | awk -F "," '/backupdir/ {print $1}' | awk -F"=" '{print $2}')
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