ag-replace -> replace

bin/ag-replace

@@ -1,42 +0,0 @@
-#!/usr/bin/env bash
-
-# A simple script that uses ag <https://github.com/ggreer/the_silver_searcher> and perl
-# to do a project-wide search/replace.
-#
-# Usage: ag-replace [pattern] [replace]
-
-sanitize() {
-    echo "$1" | sed -e "s_/_\\\/_g"
-}
-
-input=$(sanitize "$1")
-replace=$(sanitize "$2")
-
-RED=$(printf "\033[31m")
-NC=$(printf "\033[0m")
-
-# Show the search/replace results
-ag "$1" $3 -s --group --color --break --stats \
-    | perl -pe "s/(?<=.)$input/\033[4m$NC$RED$replace$NC/g" \
-    | perl -pe "s/^([0-9]+ matches$)/\n\$1/g" \
-    | less -XF
-
-# Ask for confirmation
-echo
-echo -n "Apply changes? (y/n) "
-read -n1 REPLY
-echo
-
-if [[ $REPLY =~ ^[Yy]$ ]]; then
-    # Now actually do the search replace! This is destructive. No, no
-    # backups are made. You better have read the earlier prompt!
-    files=`ag "$1" $3 -s --nogroup --nocolor --files-with-matches`
-    echo "$files" | xargs perl -pi -e "s/$input/$replace/g"
-    echo "$files" | sed -e "s/^/  ✓ /g"
-
-    echo
-    echo "Done!"
-else
-    echo "Aborted!"
-    exit 2
-fi

bin/replace

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+
+# A simple script that uses ag
+# <https://github.com/ggreer/the_silver_searcher> and perl to perform
+# a project-wide search and replace; it shows you the results and asks
+# for confirmation before committing the changes.
+#
+# Usage: replace [pattern] [replace] [options for ag]
+
+TMP_FILE="/tmp/ag-repl"
+RED=`printf "\033[31m"`
+NC=`printf "\033[0m"`
+
+sanitize() {
+    # For text that we interpolate into perl search/replace regex
+    echo "$1" | sed -e "s_/_\\\/_g"
+}
+
+# Begin
+input=$1
+search=`sanitize "$1"`
+replace=`sanitize "$2"`
+
+shift
+shift
+
+# Show the search/replace results
+if ag $input $* -s --group --color --break --stats \
+    | perl -p -e "s/(?<=.)$search/$NC$RED$replace$NC/g" \
+    | perl -p -e "s/^([0-9]+ matches$)/\n\$1/g" \
+    > "$TMP_FILE"; then
+
+    # Show the results
+    less -XF "$TMP_FILE"
+
+    # Calculate if there were results
+    lines=`wc -l $TMP_FILE | awk '{print $1}'`
+    rm -rf "$TMP_FILE"
+    [ "$lines" -lt 6 ] && exit 2
+
+    # Ask for confirmation
+    echo
+    echo -n "Apply changes? (y/n) "
+    read -n1 REPLY
+    echo
+
+    if [[ $REPLY =~ ^[Yy]$ ]]; then
+        # Now actually do the search replace! This is destructive. No, no
+        # backups are made. You better have read the earlier prompt!
+        ag -l $input $* | xargs perl -pi -e "s/$search/$replace/g"
+        echo "Done!"
+        exit
+    else
+        echo $RED"Aborted!"$NC
+        exit 3
+    fi
+fi
+
+exit 1