How to rename file using substring of the same file name

Question

I want to rename my file with its substring.Because unfortunately renamed all the files in my server.

Now I want to remove suffix( .gz) of all the files including files in subdirectories also.

Below is avaliable files with extra .gz.

# pwd
/usr/apache-tomcat-6.0.36/webapps/rdnqa/WEB-INF/classes
# ls
META-INF                           jbpm.hibernate.cfg.xml.gz          jbpm.jpdl.cfg.xml.gz               jpdl-4.0.xsd.gz
config                             jbpm.hibernate.cfg.xml.mirror.gz   jbpm.mail.templates.xml.gz         jpdl-4.2.xsd.gz
ecnet                              jbpm.hibernate.cfg.xml.staging.gz  jbpm.repository.hbm.xml.gz         jpdl-4.3.xsd.gz
hibernate.queries.hbm.xml.gz       jbpm.history.hbm.xml.gz            jbpm.task.hbm.xml.gz               jpdl-4.4.xsd.gz
jbpm.businesscalendar.cfg.xml.gz   jbpm.identity.cfg.xml.gz           jbpm.task.lifecycle.xml.gz         labels
jbpm.cfg.xml.gz                    jbpm.identity.hbm.xml.gz           jbpm.tx.hibernate.cfg.xml.gz       log4j.properties.gz
jbpm.console.cfg.xml.gz            jbpm.jboss.idm.cfg.xml.gz          jbpm.tx.jta.cfg.xml.gz             nohup.out.gz
jbpm.default.cfg.xml.gz            jbpm.jbossremote.cfg.xml.gz        jbpm.tx.spring.cfg.xml.gz
jbpm.default.scriptmanager.xml.gz  jbpm.jobexecutor.cfg.xml.gz        jbpm.variable.types.xml.gz
jbpm.execution.hbm.xml.gz          jbpm.jpdl.bindings.xml.gz          jbpm.wire.bindings.xml.gz
# cd ecnet
# ls
core  jms   rd    util
# cd core
# ls
util
# cd util
# pwd
/usr/apache-tomcat-6.0.36/webapps/rdnqa/WEB-INF/classes/ecnet/core/util
# ls
GridService.class.gz               MDPDFXMLParser.class.gz            PDFColumn.class.gz                 PDFXMLParser.class.gz
GridService.java.gz                MDPDFXMLParser.java.gz             PDFColumn.java.gz                  PDFXMLParser.java.gz
MDExcelXmlParser.class.gz          MasterDetailsPrintWriter.class.gz  PDFRow.class.gz                    RGBColor.class.gz
MDExcelXmlParser.java.gz           MasterDetailsPrintWriter.java.gz   PDFRow.java.gz                     RGBColor.java.gz
MDExcleWriter.class.gz             PDFCell.class.gz                   PDFWriter.class.gz                 xml2excel
MDExcleWriter.java.gz              PDFCell.java.gz                    PDFWriter.java.gz
#

score 3 · Accepted Answer · answered Jul 22 '14 at 09:35

You can use rename (it's designed for that). Just execute this command in the folder where the *.gz file are:

rename -n 's/\.gz$//' *.gz

This removed the .gz extension from all files that have a .gz extension. Output should look like this:

hibernate.queries.hbm.xml.gz renamed as hibernate.queries.hbm.xml
jbpm.businesscalendar.cfg.xml.gz renamed as jbpm.businesscalendar.cfg.xml
jbpm.cfg.xml.gz renamed as jbpm.cfg.xml
...

Note: If the output is as desired, execute the command without the -n switch. That switch causes rename not to act, just show what files would have been renamed.

Note that there are two tools called rename. The Perl version which you have supplied the syntax for and there's also a util-linux version which supports a simpler syntax. — Matt, Jul 22 '14 at 09:40

score 2 · Answer 2 · answered Jul 22 '14 at 10:56

2

Following script might help:

for i in $(ls)
do
    mv $i ${i%.gz} 2> /dev/null
done

Basically it loops the files in directory and renames the files by removing 'gz' from the end.

answered Jul 22 '14 at 10:56

Anshul Patel

651
5
11

You never should parse ls output in scripts. You can't rely on ls. It is meant for human eye and not for machine interpretation, – Valentin Bajrami Nov 30 '22 at 09:15

score 2 · Answer 3 · answered Jul 22 '14 at 11:10

2

The easiest and safest method would be to use find and tailor the command. E.g:

find . -type f -name '*.gz' -exec bash -c 'n=$1; mv -- "$n" "${n%.*}"' _ {} \;

answered Jul 22 '14 at 11:10

Valentin Bajrami

9,344

How to rename file using substring of the same file name

3 Answers3