08-04-2007
Need to get the first column of data
Hello,
if i have a file with this in it:
aaaa bbbb cccc dddd
how can i read that file and move the first column only into a variable?
i've been trying the cut command but can't seem to get it right, ie
HTML Code:
wc all_flist_zp.out > wc.out
cut -b 1 wc.out > wc.out2
cat wc.out2
passvar=`cat wc.out2`
passvar=`echo $passvar | sed -e 's/^ *//' -e 's/ *$//'`
echo "passvar:" $passvar
echo $passvar
Thanks very much for reviewing this!
BobK
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BASENAME(3) 1 BASENAME(3)
basename - Returns trailing name component of path
SYNOPSIS
string basename (string $path, [string $suffix])
DESCRIPTION
Given a string containing the path to a file or directory, this function will return the trailing name component.
PARAMETERS
o $path
- A path. On Windows, both slash ( /) and backslash ( ) are used as directory separator character. In other environments, it is
the forward slash ( /).
o $suffix
- If the name component ends in $suffix this will also be cut off.
RETURN VALUES
Returns the base name of the given $path.
EXAMPLES
Example #1
basename(3) example
<?php
echo "1) ".basename("/etc/sudoers.d", ".d").PHP_EOL;
echo "2) ".basename("/etc/sudoers.d").PHP_EOL;
echo "3) ".basename("/etc/passwd").PHP_EOL;
echo "4) ".basename("/etc/").PHP_EOL;
echo "5) ".basename(".").PHP_EOL;
echo "6) ".basename("/");
?>
The above example will output:
1) sudoers
2) sudoers.d
3) passwd
4) etc
5) .
6)
NOTES
Note
basename(3) operates naively on the input string, and is not aware of the actual filesystem, or path components such as " ..".
Note
basename(3) is locale aware, so for it to see the correct basename with multibyte character paths, the matching locale must be set
using the setlocale(3) function.
SEE ALSO
dirname(3), pathinfo(3).
PHP Documentation Group BASENAME(3)