update

lokywang · Nov 8, 2020 · eb4215d · eb4215d
1 parent 67fe993
commit eb4215d
Showing 1 changed file with 34 additions and 0 deletions.
diff --git a/shell/if1.sh b/shell/if1.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+
+##或
+if [ "$b" = 11 ] || [ "$b" = "22" ];then
+　　echo $a
+fi
+##且的表达方式
+if [ "$b" = 11 ] && [ "$b" = "22" ];then
+　　echo $b
+fi
+
+
+project="aaaaa"
+if [[ ${project} =~ "aaa" ]]; then
+  cp aaa.txt bbb.txt
+fi
+if [[ ${project} =~ "ccc" ]]; then
+  cp aaa.txt ccc.txt
+fi
+
+
+project="aaaaa"
+if [[ ${project} =~ "aaa" ]]; then
+  echo "aaa111"
+else
+  echo "aaa222"
+fi
+if [[ ${project} =~ "ccc" ]]; then
+  echo "aaa555"
+else
+  echo "aaa666"
+fi
+
+