fmlgrep(1F) manual page
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fmlgrep - search a file for a pattern
fmlgrep [ -b ] [ -c
] [ -i ] [ -l ] [ -n ] [ -s ] [ -v ] limited_regular_expression [ filename...]
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fmlgrep searches filename for a pattern
and prints all lines that contain that pattern. fmlgrep uses limited regular
expressions (expressions that have string values that use a subset of the
possible alphanumeric and special characters) like those described on the
regexp(5)
manual page to match the patterns. It uses a compact non-deterministic
algorithm.
Be careful when using FMLI
special characters (for instance,
$, ga, ´, ") in limited_regular_expression. It is safest to enclose the entire
limited_regular_expression in single quotes fm ... fm .
If filename is not
specified, fmlgrep assumes standard input. Normally, each line matched is
copied to standard output. The file name is printed before each line matched
if there is more than one input-file.
- -b
- Precede each line by the block
number on which it was found. This can be useful in locating block numbers
by context (first block is 0).
- -c
- Print only a count of the lines that contain
the pattern.
- -i
- Ignore upper/lower case distinction during comparisons.
- -l
- Print only the names of files with matching lines, separated by new-lines.
Does not repeat the names of files when the pattern is found more than
once.
- -n
- Precede each line by its line number in the file (first line is
1).
- -s
- Suppress error messages about nonexistent or unreadable files.
- -v
- Print
all lines except those that contain the pattern.
fmlgrep returns
the following exit values:
- if the pattern is found (that is, TRUE
)
- if the
pattern is not found (that is, FALSE
)
- if an invalid expression was used
or filename is inaccessible
egrep(1)
, fgrep(1)
, fmlcut(1F)
, grep(1)
,
regexp(5)
Lines are limited to BUFSIZ
characters; longer lines are
truncated. BUFSIZ
is defined in /usr/include/stdio.h.
If there is a line
with embedded nulls, fmlgrep will only match up to the first null; if it
matches, it will print the entire line.
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