1 files changed, 54 insertions, 0 deletions
diff --git a/bin/preview b/bin/preview
new file mode 100755
index 0000000..41ebfb9
--- /dev/null
+++ b/bin/preview
@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+
+REVERSE="\x1b[7m"
+RESET="\x1b[m"
+
+if [ -z "$1" ]; then
+  echo "usage: $0 FILENAME[:LINENO][:IGNORED]"
+  exit 1
+fi
+
+IFS=':' read -r -a INPUT <<< "$1"
+FILE=${INPUT[0]}
+CENTER=${INPUT[1]}
+
+if [[ $1 =~ ^[A-Z]:\\ ]]; then
+  FILE=$FILE:${INPUT[1]}
+  CENTER=${INPUT[2]}
+fi
+
+if [ ! -r "$FILE" ]; then
+  echo "File not found ${FILE}"
+  exit 1
+fi
+
+if [[ "$(file --dereference --mime "$FILE")" =~ binary ]]; then
+  echo "$1 is a binary file"
+  exit 0
+fi
+
+if [ -z "$CENTER" ]; then
+  CENTER=0
+fi
+
+if [ -z "$LINES" ]; then
+  if [ -r /dev/tty ]; then
+    LINES=$(stty size < /dev/tty | awk '{print $1}')
+  else
+    LINES=40
+  fi
+fi
+
+FIRST=$(($CENTER-$LINES/3))
+FIRST=$(($FIRST < 1 ? 1 : $FIRST))
+LAST=$((${FIRST}+${LINES}-1))
+
+DEFAULT_COMMAND="bat --style=numbers --color=always {} || highlight -O ansi -l {} || coderay {} || rougify {} || cat {}"
+CMD=${FZF_PREVIEW_COMMAND:-$DEFAULT_COMMAND}
+CMD=${CMD//{\}/$(printf %q "$FILE")}
+
+eval "$CMD" 2> /dev/null | awk "NR >= $FIRST && NR <= $LAST { \
+    if (NR == $CENTER) \
+        { gsub(/\x1b[[0-9;]*m/, \"&$REVERSE\"); printf(\"$REVERSE%s\n$RESET\", \$0); } \
+    else printf(\"$RESET%s\n\", \$0); \
+    }"