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Full Discussion: Strange results from 'strings | sort'
Top Forums UNIX for Beginners Questions & Answers Strange results from 'strings | sort' Post 303038693 by edstevens on Wednesday 11th of September 2019 12:28:44 PM
Old 09-11-2019
Strange results from 'strings | sort'
Using the 'strings' command and piping the result to 'sort' is producing strange results. I get block of lines that begin with asterisks, then a block that begins with some text, then more lines that begin with asterisks. The actual content is correct - lines beginning with asterisks is the actual content of the file. My question is about the resulting sort order. Within a grouping things are in order, but I don't understand why the lines beginning with an asterisk are broken into two groups, separated by a group of lines that begin with an alphabetic character.



Code:
oracle:mydb$ strings spfilemydb.ora | sort
*.audit_file_dest='/u01/app/oracle/admin/mydb/adump'
*.audit_sys_operations=TRUE
*.audit_trail='DB'
*.compatible='12.1.
*.control_files='+DEV_DATA/mydb/controlfile/control01.ctl','+DEV_DATA/mydb/controlfile/control02.ctl'#Restore Controlfile
*.db_block_size=8192
*.db_create_file_dest='+DEV_DATA'
*.db_domain=''
*.db_file_name_convert='+DATA/dwprd/datafile','+DEV_DATA/MYDB/DATAFILE','+DATA/dwprd','+DEV_DATA/mydb'
*.db_name='MYDB'#Reset to original value by RMAN
*.diagnostic_dest='/u01/app/oracle'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=mydbXDB)'
mydb.__data_transfer_cache_size=0
mydb.__db_cache_size=1392508928
mydb.__java_pool_size=167772160
mydb.__large_pool_size=251658240
mydb.__oracle_base='/u01/app/oracle'#ORACLE_BASE set from environment
mydb.__pga_aggregate_target=436207616
mydb.__sga_target=2147483648
mydb.__shared_io_pool_size=0
mydb.__shared_pool_size=318767104
mydb.__streams_pool_size=0
*.event=''
*.java_pool_size=167772160
*.job_queue_
*.local_listener='(DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=REGISTER)))'
*.log_archive_dest_1='location=/backup/mydb/archive'
*.open_cursors=300
*.pga_aggregate_limit=2147483648
processes=1000
*.processes=300
*.remote_login_passwordfile='EXCLUSIVE'
*.sga_max_size=2147483648
*.sga_target=2147483648
*.shared_pool_reserved_size=8388608
*.shared_pool_size=255852544

 

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LEARN ABOUT DEBIAN

plan9-look

LOOK(1) 						      General Commands Manual							   LOOK(1)

NAME

       look - find lines in a sorted list

SYNOPSIS

       look [ -dfnixtc ] [ string ] [ file ]

DESCRIPTION

       Look consults a sorted file and prints all lines that begin with string.  It uses binary search.

       The following options are recognized.  Options dfnt affect comparisons as in sort(1).

       -i     Interactive.  There is no string argument; instead look takes lines from the standard input as strings to be looked up.

       -x     Exact.  Print only lines of the file whose key matches string exactly.

       -d     `Directory' order: only letters, digits, tabs and blanks participate in comparisons.

       -f     Fold.  Upper case letters compare equal to lower case.

       -n     Numeric comparison with initial string of digits, optional minus sign, and optional decimal point.

       -t[c]  Character c terminates the sort key in the file.	By default, tab terminates the key.  If c is missing the entire line comprises the
	      key.

       If no file is specified, /lib/words is assumed, with collating sequence df.

FILES

       /lib/words

SOURCE

       /src/cmd/look.c

SEE ALSO

       sort(1), grep(1)

DIAGNOSTICS

       The exit status is ``not found'' if no match is found, and ``no dictionary'' if file or the default dictionary cannot be opened.

																	   LOOK(1)
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