Add cheatsheet for xargs --no-run-if-empty

2017-10-27 00:11:27 +09:00 · 2017-10-27 00:11:27 +09:00 · 2c10955690
parent cdf573a725
commit 2c10955690
1 changed files with 4 additions and 0 deletions
--- a/cheat/cheatsheets/xargs
+++ b/cheat/cheatsheets/xargs
@ -10,3 +10,7 @@ find -name *.pdf | xargs -I{} rm -rf '{}'
 # -n1 => One file by one file. ( -n2 => 2 files by 2 files )

 find -name *.pdf | xargs -I{} -n1 echo '&{}='
+
+# If find returns no result, do not run rm
+# This option is a GNU extension.
+find -name "*.pdf" | xargs --no-run-if-empty rm