GNU bash: Difference between revisions

Latest revision as of 00:20, 12 February 2018

Command	Comments
set -o pipefail	returns error if the pipe fails
set -e	exit on the first program fail

Command	Comments
-d file	file is a directory
-n string	the length of string is nonzero
string1 != string2	string1 and string2 are not equal

@@ Line 1: / Line 1: @@
+== Safe bash ==
+{| class="wikitable"
+!Command
+!Comments
+|-
+|set -o pipefail
+|returns error if the pipe fails
+|-
+|set -e
+|exit on the first program fail
+|}
 == test or [ <ref>http://tldp.org/LDP/abs/html/fto.html</ref><ref>http://tldp.org/LDP/abs/html/comparison-ops.html</ref> ==
 {| class="wikitable"