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--- using_grep [2016/09/06 19:37] – walkeradmin
+++ using_grep [2023/03/09 22:35] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
 ====== Using GREP ======
+<color darkorange>2016</color>
+\\
 \\
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@@ Line 93: / Line 95: @@
     [    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
+\\
+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
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