scripts reorganize

scripts/sanitize/sanitize.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+
+#This script sanitizes a file in the following manner:
+#it reads a pattern and a destFile
+#then, all lines in destFILE that can be regexp'd to pattern are removed.
+#optionally, a confirm variable is also specified; if so, the script does not prompt the user before overwriting destFILE
+
+#this script takes the following input:
+#sanitize.sh pattern destFile [confirm]
+
+#make sure input is valid
+[[ "$1" == "" || "$2" == "" ]] && printf "Incorrect input format.\nUse: \t sanitize.sh pattern destFile [confirm]\n" && exit
+[[ ! -f "$2" ]] && printf 'destFile - %s - does not exist!\n' "$2" && exit
+
+
+PATTERN=$1
+destFile=$2
+saveArray=()
+discardArray=()
+[[ "$3" =~ [yY][eE][sS]|[yY]|1|[tT][rR][uU][eE] ]] && confirm=0 || confirm=1
+
+#go through each line, adding to either SAVE or DISCARD as necessary
+while read -r line; do
+    [[ ! $line =~ $PATTERN ]] && saveArray+=("$line") || discardArray+=("$line")
+done < "$destFile"
+
+#confirm output
+if [[ $confirm -eq 1 ]]; then
+  printf "Discarding the following:\n"
+  printf '%s\n' "${discardArray[@]}"
+else
+  printf 'Discarding %d line(s).\n' "${#discardArray[@]}"
+fi
+
+#confirm the user is ok with this
+response="y"
+[[ $confirm -eq 1 ]] && read -r -p "Proceed? (y/N): " response
+if [[ "$response" =~ [yY][eE][sS]|[yY] ]]; then
+  echo "Removing unwanted lines..."
+  printf '%s\n' "${saveArray[@]}" > "$destFile"
+fi