Linux/C3/The-grep-command/English-timed - Revision history

Madhurig at 05:34, 17 October 2017

2017-10-17T05:34:42Z

Madhurig at 09:44, 23 March 2017

2017-03-23T09:44:34Z

PoojaMoolya at 07:01, 10 March 2017

2017-03-10T07:01:15Z

PoojaMoolya at 13:27, 20 February 2017

2017-02-20T13:27:12Z

PoojaMoolya at 13:25, 20 February 2017

2017-02-20T13:25:59Z

Pratik kamble at 13:16, 20 February 2017

2017-02-20T13:16:20Z

Pratik kamble at 13:16, 20 February 2017

2017-02-20T13:16:05Z

PoojaMoolya at 05:55, 20 July 2015

2015-07-20T05:55:03Z

Sandhya.np14 at 08:59, 12 March 2015

2015-03-12T08:59:43Z

Sandhya.np14 at 07:04, 12 March 2015

2015-03-12T07:04:45Z

Show changes

@@ Line 65: / Line 65: @@
 |-
 |01:17
-|If file name is not mentioned,''' grep''' searches for the patterns in the standard input.
+|If file name is not mentioned, '''grep''' searches for the patterns in the standard input.
 |-
@@ Line 105: / Line 105: @@
 |-
 |02:10
-|So press '''Ctrl + Alt and T''' keys simultaneously on your keyboard.
+|So press '''Ctrl + Alt''' and '''T''' keys simultaneously on your keyboard.
 |-
@@ Line 153: / Line 153: @@
 |-
 |03:20
-|Press '''Enter.'''This will now enlist all the four entries.
+|Press '''Enter'''. This will now enlist all the four entries.
 |-

@@ Line 378: / Line 378: @@
 |08:45
 |This is Ashwini Patil from IIT Bombay, signing off. Thank you for joining.
+|-
 |}

@@ Line 117: / Line 117: @@
 |-
 |02:27
-|Press Enter.
+|Press Enter.This would enlist those entries where stream is '''computers'''.
-−
-|-
-|02:28
-|This would enlist those entries where stream is '''computers'''.
 |-
@@ Line 137: / Line 133: @@
 |-
 |02:45
-|Why this is so?
+|Why this is so? This is because '''grep''' searched for the pattern “computers” with small '''c'''.
-−
-|-
-|02:46
-|This is because '''grep''' searched for the pattern “computers” with small '''c'''.
 |-
@@ Line 161: / Line 153: @@
 |-
 |03:20
-|Press '''Enter.'''
+|Press '''Enter.'''This will now enlist all the four entries.
-−
-|-
-|03:21
-|This will now enlist all the four entries.
 |-
@@ Line 197: / Line 185: @@
 |-
 |04:11
-|Press '''Enter.'''
+|Press '''Enter.''' To see the content of file, type: '''cat space notpass.txt '''
-−
-|-
-|04:12
-|To see the content of file, type: '''cat space notpass.txt '''
 |-
 |04:20
-|Press '''Enter'''.
+|Press '''Enter'''.The output is displayed.
-−
-|-
-|04:21
-|The output is displayed.
 |-
@@ Line 221: / Line 201: @@
 |-
 |04:37
-|And Press '''Enter.'''
+|And Press '''Enter.'''This is different.
-−
-|-
-|04:38
-|This is different.
 |-
@@ Line 285: / Line 261: @@
 |-
 |06:03
-|'''Press Enter'''.
+|'''Press Enter'''. The output is displayed.
-−
-|-
-|06:04
-|The output is displayed.
 |-
@@ Line 334: / Line 306: @@
 |07:03
 |To see the contents of a file eg. '''cat filename'''
 |-
 |07:07
@@ Line 360: / Line 333: @@
 |-
 |07:57
-|As an assignment,
+|As an assignment,Explore some other commands like '''-E, + and ?'''.
-−
-|-
-|07:58
-|Explore some other commands like '''-E, + and ?'''.
 |-

@@ Line 25: / Line 25: @@
 |-
 |00:20
-| and *'''GNU BASH''' version 4.2.24.
+| and '''GNU BASH''' version 4.2.24.
 |-
@@ Line 157: / Line 157: @@
 |-
 |03:06
-|Come back to our terminal, now type:
+|Come back to our terminal, now type:'''grep space (minus) i space''' (within double quotes) '''“computers”''' after the double quotes '''space grepdemo.txt'''
 '''grep space (minus) i space''' (within double quotes) '''“computers”''' after the double quotes '''space grepdemo.txt'''
 |-
@@ Line 194: / Line 193: @@
 |-
 |03:52
-|For this type:
+|For this type: '''grep space minus iv space''' within double quotes '''pass''' after the double quotes '''space grepdemo.txt space greater than sign space notpass.txt '''
 '''grep space minus iv space''' within double quotes '''pass''' after the double quotes '''space grepdemo.txt space greater than sign space notpass.txt '''
 |-
@@ Line 283: / Line 281: @@
 |-
 |05:48
-|For this, type:
+|For this, type: '''grep space minus i space''' within double quotes '''fail''' after double quotes space '''grepdemo.txt space notpass.txt'''
 '''grep space minus i space''' within double quotes '''fail''' after double quotes space '''grepdemo.txt space notpass.txt'''
 |-

@@ Line 21: / Line 21: @@
 |-
 |00:15
-|*'''Ubuntu Linux''' 12.04''' Operating System'''
+|'''Ubuntu Linux''' 12.04''' Operating System'''
 |-

@@ Line 57: / Line 57: @@
 |-
 | 01:02
-|  or  to find a keyword in a paragraph or a line, we use '''grep command'''.
+|  or  to find a keyword in a paragraph or a line, we use '''grep command'''.Let us move on to '''grep'''.
 Let us move on to '''grep'''.
 |-

@@ Line 337: / Line 337: @@
 |-
 |07:03
-|* To see the contents of a file
+|To see the contents of a file eg. '''cat filename'''
-**eg. '''cat filename'''
 |-
 |07:07
-|* To list the entries of a particular stream
+| To list the entries of a particular stream eg. '''grep “computers” grepdemo.txt'''
-**eg. '''grep “computers” grepdemo.txt'''
 |-
 |07:14
-|* To ignore cases
+|To ignore cases eg. '''grep -i “computers” grepdemo.txt'''
-**eg. '''grep -i “computers” grepdemo.txt'''
 |-
 |07:21
-|* Lines that do not match the pattern
+| Lines that do not match the pattern eg. '''grep -iv “pass” grepdemo.txt'''
-**eg. '''grep -iv “pass” grepdemo.txt'''
 |-
 |07:30
-|* To list the line numbers with the entries
+|To list the line numbers with the entries eg.''' grep -in “fail” grepdemo.txt'''
-**eg.''' grep -in “fail” grepdemo.txt'''
 |-
 |07:38
-|* To store the result in another file
+|To store the result in another file eg. '''grep -iv “pass” grepdemo.txt > notpass.txt'''
-**eg. '''grep -iv “pass” grepdemo.txt > notpass.txt'''
 |-
 |07:50
-|And * To know the count
+|And To know the count eg.''' grep -c “Fail” grepdemo.txt'''.
-**eg.''' grep -c “Fail” grepdemo.txt'''.
 |-
@@ Line 395: / Line 388: @@
 |-
 |08:16
-|* Conducts workshops using spoken tutorials
+|Conducts workshops using spoken tutorials
 |-
 |08:19
-|* Gives certificates to those who pass an online test.
+|Gives certificates to those who pass an online test.
 |-
 |08:23
-|For more details, please write to
+|For more details, please write to'''contact@spoken-tutorial.org'''
 '''contact@spoken-tutorial.org'''
 |-

@@ Line 41: / Line 41: @@
 |-
 |00:41
-|First let us know about regular expressions.
+|First let us know about '''regular expressions'''.
 |-
@@ Line 62: / Line 62: @@
 |-
 |01:11
-|'''grep''' searches for one or more patterns in one or more line, paragraph or a file.
+|'''grep''' searches for one or more patterns in one or more lines, paragraphs or a file.
 |-
@@ Line 106: / Line 106: @@
 |-
 |02:10
-|So press '''CTRL + ALT and T''' keys simultaneously on your keyboard.
+|So press '''Ctrl + Alt and T''' keys simultaneously on your keyboard.
 |-
@@ Line 114: / Line 114: @@
 |-
 |02:18
-|'''grep space (within double quotes) computers after the double quotes space  grepdemo .txt'''
+|'''grep space''' (within double quotes) '''computers''' after the double quotes '''space  grepdemo .txt'''
 |-
@@ Line 142: / Line 142: @@
 |-
 |02:46
-|This is because '''grep''' searched for the pattern '''“computers”''' with small '''c'''
+|This is because '''grep''' searched for the pattern “computers” with small '''c'''.
 |-
@@ Line 154: / Line 154: @@
 |-
 |03:00
-|To make it '''case''' insensitive, we need to use the '''minus i ''' option with '''grep'''.
+|To make it '''case insensitive''', we need to use the '''minus i ''' (-i) option with '''grep'''.
 |-
 |03:06
 |From back to our terminal, now type:
-'''grep space (minus) i space (within double quotes) “computers” after the double quotes space grepdemo.txt'''
+'''grep space (minus) i space''' (within double quotes) '''“computers”''' after the double quotes '''space grepdemo.txt'''
 |-
@@ Line 191: / Line 191: @@
 |-
 |03:48
-|We can also store this result in another file
+|We can also store this result in another file.
 |-
@@ Line 305: / Line 305: @@
 |-
 |06:26
-|Suppose we may only want to know the '''number of matches '''or '''count'''.
+|Suppose, we may only want to know the '''number of matches '''or '''count'''.
 |-
@@ Line 337: / Line 337: @@
 |-
 |07:03
-|* To see the content of a file
+|* To see the contents of a file
 **eg. '''cat filename'''
 |-
@@ Line 366: / Line 366: @@
 |-
 |07:50
-|And* To know the count
+|And * To know the count
 **eg.''' grep -c “Fail” grepdemo.txt'''.