Search Results

Hi pinnacle,
I find this very confusing.

You haven't said what shell or operating system you're using, but from the [[ expression ]], I assume that you're not using a Bourne shell and that you...

substitute echo for printf
printf "%d%02d\n" $c, $b

Try:
paste -sd \| in.txt

If the files contain 1 extra digit (for instance a version number somewhere) then most of these methods will not render the correct results. You could select on the basis of how many digits need to...

$ ls
adio_idfl_201302_df.txt dalkd_20130301.csv dfa_201301_dll.ctl
$ ls | tr -dc [:digit:]
20130220130301201301
$ ls | tr -dc '[\n[:digit:]]'
201302
20130301
201301

Note that in all of these cases, the shell (not echo, ls, or printf) is expanding the pattern to produce a list of files. Which command you should use to process that list of files depends on what...

This is overkill. You only need to use ${x:?'error msg'} once for each different $x (the first time it is referenced). And, you won't be able to list the filenames after they have been removed. ...

As a quick fix it will do, but you really should get a better shell, since this is a quite inefficient practice.


NEWNAME="`echo $OLDNAME | sed 's/_[0-9][0-9][0-9][0-9][0-9][0-9]_/_/'`"

From KSH manual (https://www.unix.com/man-page/all/1/ksh/)
${parameter%pattern}
${parameter%%pattern}
If the shell pattern matches the end of the value of parameter,
then the value...