Sample Scripts - Revision history

Bacchas: /* Script that backs up to Amazon S3 */

2021-06-23T19:22:10Z

Script that backs up to Amazon S3

← Older revision		Revision as of 19:22, 23 June 2021
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	./cleanupscript		./cleanupscript
	</pre>		</pre>
			<h3>Regex </h3>



	<pre>		<pre>
	metacharacters meaning		metacharacters meaning
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	*Fourth part -mtime gets how many days the files older than will be listed. +30 is for files older then 30 days.		*Fourth part -mtime gets how many days the files older than will be listed. +30 is for files older then 30 days.
	*Fifth part -exec executes a command. In this case mv is the command, {} gets the filelist, path where to move the files and \; closes the command		*Fifth part -exec executes a command. In this case mv is the command, {} gets the filelist, path where to move the files and \; closes the command

	==[[Bash\| Bash menu]]-[[Main_Page\| Home]]==		==[[Bash\| Bash menu]]-[[Main_Page\| Home]]==
	[[Category:Bash]]		[[Category:Bash]]

Bacchas at 15:38, 24 July 2020

2020-07-24T15:38:34Z

← Older revision		Revision as of 15:38, 24 July 2020
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	*Fourth part -mtime gets how many days the files older than will be listed. +30 is for files older then 30 days.		*Fourth part -mtime gets how many days the files older than will be listed. +30 is for files older then 30 days.
	*Fifth part -exec executes a command. In this case mv is the command, {} gets the filelist, path where to move the files and \; closes the command		*Fifth part -exec executes a command. In this case mv is the command, {} gets the filelist, path where to move the files and \; closes the command
			==[[Bash\| Bash menu]]-[[Main_Page\| Home]]==
	[[Category:Bash]]		[[Category:Bash]]

Bacchas: /* Find Directory sizes */

2020-07-24T15:28:03Z

Find Directory sizes

← Older revision		Revision as of 15:28, 24 July 2020
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	*Fourth part -mtime gets how many days the files older than will be listed. +30 is for files older then 30 days.		*Fourth part -mtime gets how many days the files older than will be listed. +30 is for files older then 30 days.
	*Fifth part -exec executes a command. In this case mv is the command, {} gets the filelist, path where to move the files and \; closes the command		*Fifth part -exec executes a command. In this case mv is the command, {} gets the filelist, path where to move the files and \; closes the command
	~~== Find Directory sizes ==~~
	~~du -h --max-depth=2 \| sort -hr~~
	[[Category:Bash]]		[[Category:Bash]]

Bacchas: /* Find files over a certain size */

2020-07-24T15:27:32Z

Find files over a certain size

← Older revision		Revision as of 15:27, 24 July 2020
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	*Fourth part -mtime gets how many days the files older than will be listed. +30 is for files older then 30 days.		*Fourth part -mtime gets how many days the files older than will be listed. +30 is for files older then 30 days.
	*Fifth part -exec executes a command. In this case mv is the command, {} gets the filelist, path where to move the files and \; closes the command		*Fifth part -exec executes a command. In this case mv is the command, {} gets the filelist, path where to move the files and \; closes the command
	~~== Find files over a certain size ==~~
	~~<pre>~~
	~~$ find . -type f -size -4G~~
	~~</pre>~~
	~~'''You can use size switch for other formats, such as'''~~
	*`c’ for bytes
	*‘w’ for two-byte words
	*`k’ for Kilobytes
	*`M’ for Megabytes
	*`G’ for Gigabytes
	== Find Directory sizes ==		== Find Directory sizes ==
	du -h --max-depth=2 \| sort -hr		du -h --max-depth=2 \| sort -hr
	[[Category:Bash]]		[[Category:Bash]]

Bacchas at 15:26, 24 July 2020

2020-07-24T15:26:48Z

← Older revision		Revision as of 15:26, 24 July 2020
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	~~== Using rename command ==~~
	~~'''If its not installed in MacOS, use brew to install it'''~~
	~~rename 's/dem/rob/g' * jpg~~
	~~Will change dem and replace it with rob /g is global which will replace all occurrence of dem in the file name~~
	~~rename 's/\+/_/g' *.tif~~
	~~use the \ escape character with the + sign~~
	~~=== Replace multiple characters ===~~
	~~rename 's/[_,-,a,b,c,]//g'~~

	~~rename '/.jpg/.tif/' *.jpg~~
	~~Change jpg extension to tif~~

	~~''Deleting part of a filename''~~
	~~rename 's/dem//' *.jpg~~
	~~'''Searching with Groupings'''~~
	~~rename 's/(dem\|rob)ng/bac/' *.jpg~~
	''The central expression of this rename command will search for strings within filenames that have the character sequence “dem” or “rob” where those sequences are immediately followed by “ng”. In other words, our search term is going to look for “string” and “demng”. The substitution term is “bacng”.''
	~~Example: demng.jpg, robmg.jpg~~

	~~'''Changing case of filename'''~~
	~~rename 'y/a-z/A-Z/' *.jpg~~
	~~''' Use the -n option to print names without renaming them'''~~
	~~rename -n 's/.html/.php/' *.html~~
	~~=== Rename files adding sequential numbers Mac Only===~~
	~~rename -N 03000 's/find/$N/gi' *.jpg~~
	~~'' You have to add the 0 at the beginning otherwise it wont work''~~

	~~=== Rename Delete string Mac Only===~~
	~~rename -d '0' *.jpg~~
	~~''' Result'''~~
	~~030020-abc.jpg~~
	~~30020-abc.jpg~~

	~~=== Find and Rename ===~~
	~~find . -type f -name '2019' -print0 \| rename -0 's/2019/2020/gi'~~

	~~===Rename Prepend Mac Only ===~~
	~~rename -A 'xxxx-' *.jpg~~

	<pre>		<pre>

Bacchas: /* Read exif data from file */

2020-07-24T15:25:29Z

Read exif data from file

← Older revision		Revision as of 15:25, 24 July 2020
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	~~== Read exif data from file==~~
	~~mdls filename.jpg~~
	~~''' find creation date of file in exif data'''~~
	~~mdls filename \| grep -i kMDItemContentCreationDate -m 1 \| awk '{print $3}'~~
	~~# the m1 will return the 1 result~~

	~~exiftool filename.jgp~~

	== Using rename command ==		== Using rename command ==

Bacchas at 15:24, 24 July 2020

2020-07-24T15:24:02Z

@@ Line 195: / Line 195: @@
 ./cleanupscript
 </pre>
 == Read exif data from file==
   mdls filename.jpg
@@ Line 299: / Line 279: @@
 </pre>
 *First part is the path where your files are located. Don’t use wildcard * if you have a lot of files because you will get Argument list too long error.

Bacchas: /* Read exif data from file */

2019-12-27T16:23:31Z

Read exif data from file

← Older revision		Revision as of 16:23, 27 December 2019
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	mdls filename \| grep -i kMDItemContentCreationDate -m 1 \| awk '{print $3}'		mdls filename \| grep -i kMDItemContentCreationDate -m 1 \| awk '{print $3}'
	# the m1 will return the 1 result		# the m1 will return the 1 result

			exiftool filename.jgp

	== Using rename command ==		== Using rename command ==

Bacchas: /* Rename files adding the creation date as prefix */

2019-12-27T16:01:36Z

Rename files adding the creation date as prefix

← Older revision		Revision as of 16:01, 27 December 2019
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	''' Get the date from the file'''		''' Get the date from the file'''
	date -r $(stat -f %B filename.jpg) +%Y-%m-%d		date -r $(stat -f %B filename.jpg) +%Y-%m-%d
			== Read exif data from file==
			mdls filename.jpg
			''' find creation date of file in exif data'''
			mdls filename \| grep -i kMDItemContentCreationDate -m 1 \| awk '{print $3}'
			# the m1 will return the 1 result

	== Using rename command ==		== Using rename command ==

Bacchas: /* Find specific files and copy them to another folder */

2019-12-27T14:16:18Z

Find specific files and copy them to another folder

← Older revision		Revision as of 14:16, 27 December 2019
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	== Find specific files and copy them to another folder ==		== Find specific files and copy them to another folder ==
	find -type f -name "app1" -exec cp {} /var/www/test/ \;		find -type f -name "app1" -exec cp {} /var/www/test/ \;
			== Rename files adding the creation date as prefix ==
			''' Get the date from the file'''
			date -r $(stat -f %B filename.jpg) +%Y-%m-%d

	== Using rename command ==		== Using rename command ==
	'''If its not installed in MacOS, use brew to install it'''		'''If its not installed in MacOS, use brew to install it'''