Create findAndReplace.sh

findAndReplace.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+############################################################################################
+#
+# File name:        findAndReplace.sh
+# Author:           Hannes Bohnengel
+# Last modified:    04/04/2018
+# Required pkgs:    sed
+# CLI usage:        findAndReplace.sh 
+# Description:      This shell script eases the use of sed 
+#                   to find and replace strings in text files.
+#                   http://clubmate.fi/replace-strings-in-files-with-the-sed-bash-command/
+#                   
+############################################################################################
+
+#############
+# Variables
+#############
+
+ARGC=3
+INPUT=$1
+OUTPUT=${INPUT%.*}
+OUTPUT="${OUTPUT}-replaced.txt"
+NAME=$2
+NEW_NAME=$3
+
+#############
+# Processing
+#############
+
+# Check if the expected number of parameters is given.
+# If not exit with error.
+if [ $# != $ARGC ]
+    then
+    echo "Error: Please provide the correct arguments!"
+    echo "Correct usage is:"
+    echo "./findAndReplace.sh [inputFile] [nameToBeReplaced] [pseudonym]"
+    exit 1;
+fi
+
+# Printing the status
+echo -e "=======================================================================\n"
+echo "Input file:  ${INPUT}"
+echo "Output file: ${OUTPUT}"
+echo ""
+
+# Do the replacement (note the double quotes)
+echo "Replacing \"${NAME}\" with \"${NEW_NAME}\""
+sed "s/${NAME}/${NEW_NAME}/g" $INPUT > $OUTPUT
+
+# Check if sed was executed successfully
+
+if [ $? != 0 ]
+    then
+        echo "Failed!"
+        echo -e "\n======================================================================="
+        exit 1
+    else
+        # Exit with success'
+        echo "Success!"
+        echo -e "\n======================================================================="
+        exit 0
+fi
+
+
+# END OF FILE
+