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Full Discussion: Difference between '.*' and .* in grep
Top Forums Shell Programming and Scripting Difference between '.*' and .* in grep Post 302387255 by SasDutta on Friday 15th of January 2010 03:19:41 AM
Old 01-15-2010
Thanks for your reply..

My xx file contains

Code:
[/home/trg_ux/saswata]cat xx

total 32

-rw-r-----   1 trg_ux     users            0 Jan 15 11:06 xx

-rw-r-----   1 trg_ux     users         1118 Jan 15 10:53 yy

-rw-r-----   1 trg_ux     users           29 Jan 14 15:34 datelst.lst

-rw-r-----   1 trg_ux     users          378 Jan 14 14:56 path.lst

-rw-r-----   1 trg_ux     users           84 Jan 14 14:35 dept.lst

-rw-r-----   1 trg_ux     users          248 Jan 14 14:19 emp.lst

-rw-r-----   1 trg_ux     users            3 Jan 13 11:26 devnull

-rwxr-x---   1 trg_ux     users          403 Jan 13 11:25 prob14.15.sh

-rwxr-x---   1 trg_ux     users          139 Jan 13 11:07 LF

drwxr-x---   2 trg_ux     users         1024 Jan 12 18:24 test1

-rwxr-x---   1 trg_ux     users          139 Jan 12 18:22 lf

-rw-r-----   1 trg_ux     users            0 Jan 12 17:31 tr

drwxr-x---   2 trg_ux     users         1024 Jan 11 18:04 test2

-rwxr-x---   1 trg_ux     users          187 Jan 11 18:03 prob15.11.sh

-rw-r-----   1 trg_ux     users          215 Jan 11 13:35 filenames

-rwxr-x---   1 trg_ux     users          159 Jan 11 13:32 prob14.10.sh

-rwxr-x---   1 trg_ux     users          135 Jan 11 11:26 prob14.sh

when i run command it shows following output.

Code:
[/home/trg_ux/saswata]grep .* xx
..:, ¸D*°dä¤lTÐ0MQ.cshrcMR.exrcMS.loginM.profile
                                                .sh_history@hanilniGã
.ksh_history_history@biswajit@kkrishna@lTRAINER@ëmahuya@{       mentoringeRtPriyankaRÉ007hhnRö
                                                                                              Ddatedisp.shR÷øfunc.shtfiRømain.shRüxmanish@`saswatas_nGHÀtestprmyerromyfilesmyfilexyztt2a?can.file1tfile2eexaple_01xexamplecabexamNT.historyexam1tSMemp.shPGsatyakiloexam3janshtraining_kshmylistdead.letterumitraining_ksh.gza1.txt.bkparunavaa2.txt.bkpanupamdipushbidhantsa3.txt.bkp.dipabc.txt.b¼ ¼abhi.txt.bkpchhi.txt.bkpmanls.txt.bkpnmanwc.txt.bkptluna.txtunixtrparo.txt.bkpproggma.txt.bkpsatabdi.txt.bkpsky.txt.bkpsneha.txt.bkpsh.shasgn.shassgn.sha.txtllldate.shMousumibid_deb_suvTest_pp1.shgrouphimadri_adhiraj_shoumikgoutam_tuhinA14mousumi_joydeepA14.txtprob1.shJOYDEEP_MOUSUMIdeb1.txtA16.txtBidhan_Debajyoti_Suvrajitsss.txtA14.txt.bkpA16.txt.bkpa.txt.bkpdeb1.txt.bkpluna.txt.bkpsss.txt.bkpsnehatanushreejoydeepHello.jav¼ ¼Sneha_TestAnupamAvijitArunavaArnabsneha_tanushree_satabdi_poulomi_joydeep_mousmitanushree_sneha_satabdi_poulomi_joydeep_mousmisneha_satabdi_tanushree_poulomi_mousmi_joydeeppoulomi_sneha_tanushree_satabdi_joydeep_mousmiAnupam_Avijit_Arunava_Arnabass2.cppass2.oa.outmydirapratimDBCankKSllDBC1mykkchinkiiichidiff.sh1.txt2.txtvishaldTC++rutmpsttmrctry1Test.cpptemperature.cppfresher_janjanabhi
.sas:xx
xx:
xx:total 32
xx:-rw-r-----   1 trg_ux     users            0 Jan 15 11:06 xx
xx:-rw-r-----   1 trg_ux     users         1118 Jan 15 10:53 yy
xx:-rw-r-----   1 trg_ux     users           29 Jan 14 15:34 datelst.lst
xx:-rw-r-----   1 trg_ux     users          378 Jan 14 14:56 path.lst
xx:-rw-r-----   1 trg_ux     users           84 Jan 14 14:35 dept.lst
xx:-rw-r-----   1 trg_ux     users          248 Jan 14 14:19 emp.lst
xx:-rw-r-----   1 trg_ux     users            3 Jan 13 11:26 devnull
xx:-rwxr-x---   1 trg_ux     users          403 Jan 13 11:25 prob14.15.sh
xx:-rwxr-x---   1 trg_ux     users          139 Jan 13 11:07 LF
xx:drwxr-x---   2 trg_ux     users         1024 Jan 12 18:24 test1
xx:-rwxr-x---   1 trg_ux     users          139 Jan 12 18:22 lf
xx:-rw-r-----   1 trg_ux     users            0 Jan 12 17:31 tr
xx:drwxr-x---   2 trg_ux     users         1024 Jan 11 18:04 test2
xx:-rwxr-x---   1 trg_ux     users          187 Jan 11 18:03 prob15.11.sh
xx:-rw-r-----   1 trg_ux     users          215 Jan 11 13:35 filenames
xx:-rwxr-x---   1 trg_ux     users          159 Jan 11 13:32 prob14.10.sh
xx:-rwxr-x---   1 trg_ux     users          135 Jan 11 11:26 prob14.sh
[/home/trg_ux/saswata]PuTTY

Can you tell me why such a output is displaying
Last edited by pludi; 01-15-2010 at 04:32 AM.. Reason: code tags, please...
 

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