diff --git a/.config/shell/functions b/.config/shell/functions
index 1b11f12..063c7fe 100644
--- a/.config/shell/functions
+++ b/.config/shell/functions
@@ -275,7 +275,8 @@ alias grpc='grep --color=auto --line-number --binary-files=without-match --direc
 # Default grep with some niceties and ignoring case
 alias grp='grpc --ignore-case'
 # Grep recursively and paginate
-grpr() { grp --color=always --recursive $(echo $DIRS_IGNORE | sed 's|-x \([^ ]*/\)\?|--exclude-dir |g') "$@" | less -FX; }
+# TODO remove some prefixes \([^ ]*/\)\?
+grpr() { grp --color=always --recursive $(echo $DIRS_IGNORE | sed 's|-x |--exclude-dir |g') "$@" | less -FX; }
 # Grep in shell config files
 grsh() { grpr --no-ignore-case "$@" $HOME/.{ba,z}sh* $HOME/.local/bin $CONFIG_SHELLS $CONFIG_ZSH; }
 
diff --git a/.local/bin/scripts/duploc b/.local/bin/scripts/duploc
index 6bb4167..f534af5 100755
--- a/.local/bin/scripts/duploc
+++ b/.local/bin/scripts/duploc
@@ -1,10 +1,10 @@
-#!/bin/sh
+#!/bin/sh -e
 # Delete files under current or given path which exist elsewhere as listed in the locate database
 # Matches first by name, then by checksum (currently inefficiently via md5)
-find "$@" -size +50M -type f | while read filepath
-  do target="$(basename "$filepath" | synct-unarchive)"
+find "$@" -size +5M -type f -exec sh -c "IFS=$'\n'"'
+  filepath="{}"
+  target="$(basename "$filepath" | synct-unarchive)"
   highlight "$filepath"
-  locate -b "$target" | while read existing
-    do test "$(realpath "$target")" != "$(realpath "$existing")" -a -f "$existing" -a "$(md5sum "$existing" | cut -d\  -f1)" = "$(md5sum "$filepath" | cut -d\  -f1)" && echo "Found duplicate at $existing" && rm -vi "$filepath" && break
-    done
-  done
+  for existing in $(locate -b "$target")
+  do test "$(realpath "$target")" != "$(realpath "$existing")" -a -f "$existing" -a "$(md5sum "$existing" | cut -d\  -f1)" = "$(md5sum "$filepath" | cut -d\  -f1)" && echo "Found duplicate at $existing" && rm -vi "$filepath" && break
+  done' \;
diff --git a/.local/bin/scripts/git-fuzz b/.local/bin/scripts/git-fuzz
index 654aa74..2d49a0b 100755
--- a/.local/bin/scripts/git-fuzz
+++ b/.local/bin/scripts/git-fuzz
@@ -5,6 +5,8 @@
 # TODO fix broken prep-commit-msg hook when there is no unifying path
 # TODO fix broken alt-enter not opening editor --bind='alt-enter:change-prompt(hi>)'
 
+set -o pipefail
+
 fzfpipe() {
 	# Take nul-separated input from git-status short/porcelain
 	# and return a newline-separated list of selected files
@@ -22,10 +24,10 @@ case "$1" in
 	(add) shift
 		git status -z --porcelain --no-renames --untracked-files=all $wd |
 			grep -zv '^\\w ' | fzfpipe |
-			xargs -d '\n' -L 1 git -c advice.addEmptyPathspec=false add --verbose "$@";;
+			xargs -rd '\n' -L 1 git -c advice.addEmptyPathspec=false add --verbose "$@";;
 	(*)	git status -z --porcelain --no-renames $wd |
 			sed -z 's/^\\(\\w\\) / \\1/' | fzfpipe >"$prefix/files"
-			cat "$prefix/files" | xargs -d '\n' ls -fd 2>/dev/null >"$prefix/files-existing" || true
+			cat "$prefix/files" | xargs -rd '\n' ls -fd 2>/dev/null >"$prefix/files-existing" || true
 			git -c advice.addEmptyPathspec=false add --intent-to-add --pathspec-from-file="$prefix/files-existing"
 			git commit -v --only --pathspec-from-file="$prefix/files" "$@";;
 esac