User Tools

Site Tools


using_grep

Differences

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

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision
Previous revision
Last revisionBoth sides next revision
using_grep [2016/09/06 19:37] walkeradminusing_grep [2017/01/12 20:09] walkeradmin
Line 1: Line 1:
 ====== Using GREP ====== ====== Using GREP ======
 +<color darkorange>2016</color>
 +\\ 
 \\  \\ 
 \\  \\ 
Line 93: Line 95:
     [    6.716496] bcm2835-wdt 3f100000.watchdog: Broadcom BCM2835 watchdog timer     [    6.716496] bcm2835-wdt 3f100000.watchdog: Broadcom BCM2835 watchdog timer
     [    7.186573] brcmfmac: brcmf_sdio_drivestrengthinit: No SDIO Drive strength init done for chip 43430 rev 1 pmurev 24     [    7.186573] brcmfmac: brcmf_sdio_drivestrengthinit: No SDIO Drive strength init done for chip 43430 rev 1 pmurev 24
 +\\  
 +Display cpu model name: 
 +\\  
 +    cat /proc/cpuinfo | grep -i 'Model' 
 +     
 +    model name      : ARMv7 Processor rev 4 (v7l) 
 +    model name      : ARMv7 Processor rev 4 (v7l) 
 +    model name      : ARMv7 Processor rev 4 (v7l) 
 +    model name      : ARMv7 Processor rev 4 (v7l) 
 +\\  
 +However, above command can be also used as follows without shell pipe: 
 +\\  
 +    grep -i 'Model' /proc/cpuinfo 
 +\\  
 +\\  
 +===== How do I list just the names of matching files? ===== 
 +Use the -l option to list file name whose contents mention main(): 
 +\\  
 +    grep -l 'main' *.c 
 +\\  
 +\\  
 +===== Force grep to display output in colours ===== 
 +Finally, you can force grep to display output in colors, enter: 
 +\\  
 +<color red>Raspbian seems to do this by default</color> 
 +\\  
 +    grep --color pi /etc/passwd 
 \\  \\ 
  
 +
 +    
          
  
using_grep.txt · Last modified: 2023/03/09 22:35 by 127.0.0.1