How about cut? Not the sharpest hammer in the box, but useful:-
Code:
cut -f4- -d"/" input_file > output_file
The -f value has a trailing - so it will grab anything beyond the 3rd /, including other /s if they are there. This might not be what you want, but you can drop it if you only want the 4th field.
Using the script: (Called replaceit)
#!/bin/ksh
String=$1
Replace=$2
sed -e "s/${orig}/${new}/g" oldfile.txt > newfile.txt
In oldfile.txt, I'm looking for: getenv("Work")
And change it To: /u/web
I execute the script:
replaceit "getenv(\""Work\"")" /u/web
I'm getting sed... (3 Replies)
how to escape / (forward slash) in a string.
I have following scnerio:
sed s/${var1}{$var2}
var1 and var2 both contain slashes, but sed gives error if there is a slash in var1 or var2. sed is used here to replace var1 with var2.
Thanks in advance (1 Reply)
Hi all,
I need to know way of inserting backward slash before forward slash. My problem is that i need to supply directory path as an argument while invoking cshell script. This argument is further used in script (i.e. sed is used to insert this path in some file). So i need to place \ in front... (2 Replies)
What is the significance of the forward slash(/) while specifying a directory?
cp -av /dir/ /opt/
and
cp -av /dir /opt
Does effectively the same job it seems? (2 Replies)
i need to replace '/' forward slash with \/(backward slash follwed by a forward slash) using sed command when the forward slash occurs as a first character in a file..
Tried something like this but doesn't seem to work.
find $1 -print0 | xargs -0 sed -i -e 's/^\//\\\//g'
Can someone... (19 Replies)
I want to replace every 2nd occurance of a string/character from a line.
ababacbsbddbsbbcbdbssb
i want to replace every s2nd b with @ like below
should be like
aba@acbs@ddbs@bc@dbss@ (3 Replies)
hi
hope somebody can help, there seems to be bit on the net about this, but still cant make it work the way i need.
i have a file live this
mm dd ff /dev/name1
mm dd ff /dev/name2
mm dd ff /dev/name3
mm dd ff /dev/name4
i need to update /dev/name1 etc to /newdev/new/name1 etc
so... (5 Replies)
./split2.sh: line 1: split/ssl/pop3s.txt: No such file or directory
sort: cannot read: split/ssl/pop3s.txt: No such file or directory
Hi there,
I am pulling data from the following source:
ssl/http
ssl/http
ssl/http-alt
ssl/https
ssl/https
ssl/https
ssl/https
ssl/https
ssl/https... (3 Replies)
Discussion started by: alvinoo
3 Replies
LEARN ABOUT OSX
uniq
UNIQ(1) BSD General Commands Manual UNIQ(1)NAME
uniq -- report or filter out repeated lines in a file
SYNOPSIS
uniq [-c | -d | -u] [-i] [-f num] [-s chars] [input_file [output_file]]
DESCRIPTION
The uniq utility reads the specified input_file comparing adjacent lines, and writes a copy of each unique input line to the output_file. If
input_file is a single dash ('-') or absent, the standard input is read. If output_file is absent, standard output is used for output. The
second and succeeding copies of identical adjacent input lines are not written. Repeated lines in the input will not be detected if they are
not adjacent, so it may be necessary to sort the files first.
The following options are available:
-c Precede each output line with the count of the number of times the line occurred in the input, followed by a single space.
-d Only output lines that are repeated in the input.
-f num Ignore the first num fields in each input line when doing comparisons. A field is a string of non-blank characters separated from
adjacent fields by blanks. Field numbers are one based, i.e., the first field is field one.
-s chars
Ignore the first chars characters in each input line when doing comparisons. If specified in conjunction with the -f option, the
first chars characters after the first num fields will be ignored. Character numbers are one based, i.e., the first character is
character one.
-u Only output lines that are not repeated in the input.
-i Case insensitive comparison of lines.
ENVIRONMENT
The LANG, LC_ALL, LC_COLLATE and LC_CTYPE environment variables affect the execution of uniq as described in environ(7).
EXIT STATUS
The uniq utility exits 0 on success, and >0 if an error occurs.
COMPATIBILITY
The historic +number and -number options have been deprecated but are still supported in this implementation.
SEE ALSO sort(1)STANDARDS
The uniq utility conforms to IEEE Std 1003.1-2001 (``POSIX.1'') as amended by Cor. 1-2002.
HISTORY
A uniq command appeared in Version 3 AT&T UNIX.
BSD July 3, 2004 BSD