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filterHistory improvements

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Add existence check for given file. (How did I forget that?)
Create automatic backup in temporary directory and use it to show
overview of deleted commands.
Make sed expression more readable by using double quotes for the whole
regex and escaping the $ instead of a mix between single and double.
This commit is contained in:
druckdev
2020-08-25 04:07:57 +02:00
parent 420bcf6be5
commit c3415cf310
1 changed files with 11 additions and 1 deletions
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12
.local/bin/filterHistory
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@@ -1,6 +1,7 @@
#!/bin/bash #!/bin/bash
[ $# -eq 1 ] || { echo "Specify history file" >&2; exit 1; } [ $# -eq 1 ] || { echo "Specify history file" >&2; exit 1; }
[ -e "$1" ] || { echo "File does not exist" >&2; exit 1; }
[ "$(stat -c '%a' "$1")" = "600" ] || { echo "File does not look like a history file" >&2; exit 1; } [ "$(stat -c '%a' "$1")" = "600" ] || { echo "File does not look like a history file" >&2; exit 1; }
declare -a COMMANDS declare -a COMMANDS
@@ -30,8 +31,17 @@ echo "Are you a 100% sure you want to delete these commands from $1? (Type out y
read yn read yn
[ "$yn" = "yes" ] || exit 1 [ "$yn" = "yes" ] || exit 1
tempd="$(mktemp -d)"
cp "$1" "$tempd/$(basename "$1")"
echo "Backup created at $tempd/$(basename "$1")"
echo
for c in "${COMMANDS[@]}"; do for c in "${COMMANDS[@]}"; do
c="$(echo "$c" | sed 's/\./\\./g; s/\//\\\//g')" c="$(echo "$c" | sed 's/\./\\./g; s/\//\\\//g')"
sed -Ei '/^: [0-9]+:[0-9]+;'"$c"'$/d' "$1" sed -Ei "/^: [0-9]+:[0-9]+;${c}\$/d" "$1"
echo "$c deleted" echo "$c deleted"
done done
echo
echo "Following commands were deleted:"
diff "$1" "$tempd/$(basename "$1")" | grep "^>" | cut -d\; -f 2 | sort | uniq -c | sort -nr