Hdridder at 12:04, 3 January 2020

2020-01-03T12:04:49Z

← Older revision		Revision as of 12:04, 3 January 2020
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	;hexdump -C <file>		;hexdump -C <file>
	:Print hexdump of <file> next to the 'normal' representation		:Print hexdump of <file> next to the 'normal' representation

			==Redirecting==
			;command > <file>
			:Send standard output to new <file> (<file> can be /dev/null if you don't want to see the output)

			;command >> <file>
			:Append standard output to <file>

			;command > <file> 2>&1
			:Send erroroutput the same file as standard output

			;cmd 2>&1 > <file> \| cmd2
			:stderr wordt eerst aan stdout gekoppeld (gaat naar pipe) stdout wordt daarna aan file gekoppeld
			;echo >&2 “error”
			:redirection can be anywhere in the command, this sends “error” to stderr.
			;exec > <file>
			:redirect output current shell to <file> (eg for logging)
			;exec 3>&-
			:Close file-descriptor 3
			;exec 3>&2; exec 2> <file>; exec 2>&3
			:Save stderr in file-descriptor 3, connect stderr to <file> and restore original stderr
			;exec 3< <file>
			:Open file-descriptor 3 to <file>
			;read -u 3 LINE
			:Read a line from file-descriptor 3 and store it in variable LINE
			;exec < <file> 3<&0
			:Redirect stdin to file and connect file-descriptor 3 to stdin

			;command << MARKER
			;input
			;input
			;MARKER
			:stdin reads until MARKER (EOF is often used as marker)

Hdridder at 06:36, 22 May 2019

2019-05-22T06:36:01Z

← Older revision		Revision as of 06:36, 22 May 2019
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	[[Category:~~Bash~~]]		[[Category:Linux/Unix]]
	;echo -n <string>		;echo -n <string>
	:Print <string> without newline		:Print <string> without newline

			;hexdump -C <file>
			:Print hexdump of <file> next to the 'normal' representation

2019-03-15T07:41:14Z

Created page with "Category:Bash ;echo -n <string> :Print <string> without newline"

New page

[[Category:Bash]]
;echo -n <string>
:Print <string> without newline