BASH - Revision history

Porcelinux: /* Files */

2024-08-09T02:44:50Z

Files

← Older revision		Revision as of 02:44, 9 August 2024
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	$ fdupes -rcHm /Volume		$ fdupes -rcHm /Volume
	16583 duplicate files (in 16410 sets), occupying 51282.8 megabytes		16583 duplicate files (in 16410 sets), occupying 51282.8 megabytes
	$ fdupes -~~rcHI~~ /Volume		$ fdupes -rcHId /Volume

	=== Users ===		=== Users ===

2024-08-08T23:10:25Z

duplicates

← Older revision		Revision as of 23:10, 8 August 2024
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	== duplicates ==		== duplicates ==

			=== Files ===

			$ fdupes -rcHm /Volume
			16583 duplicate files (in 16410 sets), occupying 51282.8 megabytes
			$ fdupes -rcHI /Volume

			=== Users ===
	* user id		* user id
	getent passwd \| cut -d: -f3 \| sort -n \| uniq -d		getent passwd \| cut -d: -f3 \| sort -n \| uniq -d

2022-02-10T22:14:04Z

← Older revision		Revision as of 22:14, 10 February 2022
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			[[Category:Programming-Languages]]

	*; Bourne Again SHell (Bash) And GNU		*; Bourne Again SHell (Bash) And GNU

2020-10-09T06:25:28Z

rename

← Older revision		Revision as of 06:25, 9 October 2020
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	* rename all files in a directory replacing white space with underscore:		* rename all files in a directory replacing white space with underscore:
	rename ' ' '_' *		rename ' ' '_' *

			* recursively...
			find /tmp/ -depth -name "* *" -execdir rename 's/ /_/g' "{}" \;

	== Process id ==		== Process id ==

2016-01-18T19:38:18Z

find

← Older revision		Revision as of 19:38, 18 January 2016
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	* remove all files in the second nested directory matching the name to an md5 string		* remove all files in the second nested directory matching the name to an md5 string
	find . -regextype posix-extended -mindepth 2 -maxdepth 2 -type d -regex '.*[a-f0-9]{32}'		find . -regextype posix-extended -mindepth 2 -maxdepth 2 -type d -regex '.*[a-f0-9]{32}'

			== duplicates ==

			* user id
			getent passwd \| cut -d: -f3 \| sort -n \| uniq -d

			* user name
			getent passwd \| cut -d: -f1 \| sort -n \| uniq -d

	== size ==		== size ==

2015-07-01T09:55:58Z

find

← Older revision		Revision as of 09:55, 1 July 2015
Line 106:		Line 106:

	* remove all files in the second nested directory matching the name to an md5 string		* remove all files in the second nested directory matching the name to an md5 string
	find . -regextype posix-extended -mindepth 2 -maxdepth 2 -type d -regex '.*[a-f0-9]{32}' ~~-exec rm -rf {} \;~~		find . -regextype posix-extended -mindepth 2 -maxdepth 2 -type d -regex '.*[a-f0-9]{32}'

	== size ==		== size ==

2015-07-01T08:34:26Z

← Older revision		Revision as of 08:34, 1 July 2015
Line 102:		Line 102:
	* just find modified files before ONE day from now:		* just find modified files before ONE day from now:
	find . -mtime -1		find . -mtime -1

			== find ==

			* remove all files in the second nested directory matching the name to an md5 string
			find . -regextype posix-extended -mindepth 2 -maxdepth 2 -type d -regex '.*[a-f0-9]{32}' -exec rm -rf {} \;

	== size ==		== size ==

2013-09-10T14:58:38Z

permissions

@@ Line 69: / Line 69: @@
   ls -l /usr/sbin/fping
   -r-s--x--x 1 root root 31360 Mar  8 11:27 /usr/sbin/fping
 == recursive sort ==

2013-08-16T08:20:20Z

← Older revision		Revision as of 08:20, 16 August 2013
Line 38:		Line 38:
	let dur=${stop}-${start};		let dur=${stop}-${start};
	cat $a \|head -${stop}\|tail -${end}		cat $a \|head -${stop}\|tail -${end}

			== cat ==

			* "to cat" a file means the action of opening the file in reading and outputting its contents to terminal.

	== tr ==		== tr ==
Line 154:		Line 158:
	# Ordina gli output di tutti i file .txt e cancella le righe doppie,		# Ordina gli output di tutti i file .txt e cancella le righe doppie,
	# infine salva il risultato in "file-finale".		# infine salva il risultato in "file-finale".

			* Insert text at the end of a file (appending):
			echo "text at the end of file" >> filewhichweappendto.txt
			* Insert text at the beginning of a file (prepending):
			echo "$(echo 'text that will be added as first line' \| cat - filewhichweappendto.txt)" > filewhichweappendto.txt
			or
			echo -e "text that will be added as first line\n$(cat filewhichweappendto.txt)" > filewhichweappendto.txt
			or
			sed -i '1s/^/text that will be added as first line\n/' filewhichweappendto.txt

	== error messages ==		== error messages ==

2013-07-19T12:46:11Z

← Older revision		Revision as of 12:46, 19 July 2013
Line 47:		Line 47:
	tr '\n' -d		tr '\n' -d

			== less ==
			* less +F behaves like doing a "tail -f" but inside less

	== permissions ==		== permissions ==