Differences

This shows you the differences between two versions of the page.

--- linux:bashshell [2016/07/08 07:14] – [update array to file] admin
+++ linux:bashshell [2022/10/29 16:15] (current) – external edit 127.0.0.1
@@ Line 315: / Line 315: @@
 </code>
 ==== Find files that contain the text ====
-<code bash>
+  * Simple<code bash>
 grep -rnw . -e "Begin Facebook Code"
+</code>
+  * Custom find with regular expression<code bash>
+grep -rnw . -e 'mongo.*'
+</code>
+==== Find files that file name length > 29 ====
+<code bash>
+for i in `ls -1`;do sub_i=(`echo $i|cut -d'-' -f 1`);lensub_i=${#sub_i}; if [ $lensub_i -ge 29 ]; then echo $sub_i;echo $i; fi  done
 </code>
 ==== Manipulating String ====
@@ Line 338: / Line 345: @@
 update array to files:
 <code bash>
-index=0;for i in `cat configs.txt | awk '{print $3}'`; do let "index = $index + 1";echo $i > c$index; done
+index=0;for i in `cat configs.txt | awk '{print $3}'`; do let "index = $index + 1";echo $i > c$index.txt; done
 </code>