fzf-preview.sh: Check the number of arguments

7 months ago · 1cfa3ee4c7
parent 9a95cd5794
commit 1cfa3ee4c7
1 changed files with 6 additions and 1 deletions
--- a/bin/fzf-preview.sh
+++ b/bin/fzf-preview.sh
@ -7,7 +7,12 @@
 # - https://github.com/hpjansson/chafa
 # - https://github.com/sharkdp/bat

-file=$1
+if [[ $# -ne 1 ]]; then
+  >&2 echo "usage: $0 FILENAME"
+  exit 1
+fi
+
+file=${1/#\~\//$HOME/}
 type=$(file --mime-type "$file")

 if [[ ! $type =~ image/ ]]; then