Linux in a Nutshell, Fifth Edition

strings | 445

Linux

Commands

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Options

Of the following options, only -c can be used with unstr. All other

options apply only to strfile.

-c delimiter

Change the delimiting character from the percent sign to

delimiter. Valid for both strfile and unstr.

-i Ignore case when ordering the strings.

-o Order the strings alphabetically.

-r Randomize access to the strings.

-s Run silently; don’t give a summary message when finished.

-x Set the STR_ROTATED bit in the header str_flags field.

strings

strings [options] files

Search each file specified and print any printable character strings

found that are at least four characters long and followed by an

unprintable character. Often used to find human-readable content

within binary files.

Options

-, -a, --all

Scan entire object files; default is to scan only the initialized

and loaded sections for object files.

-e encoding, --encoding=encoding

Specify the character encoding of the strings to be found.

Possible values are:

b 16-bit big-endian

B 32-bit big-endian

l 16-bit little-endian

L 32-bit little-endian

s Single-7-bit-byte characters, such as ASCII, ISO-8859,

etc. (the default)

S Single-8-bit-byte characters.

-f, --print-file-name

Print the name of the file before each string.

-min-len, -n min-len, --bytes=min-len

Print only strings that are at least min-len characters. ...