[ale] Determining a scripts language?

[Pete Hardie]

If it works in ksh, that suits me.  Never made the leap to bash as such.

On Wed, Apr 6, 2016 at 9:13 PM, Alex Carver <agcarver+ale at acarver.net>
wrote:

> I can't remember.  I know it works in bash and ksh.  I don't think I
> ever tried it in sh.
>
> On 2016-04-06 17:48, Pete Hardie wrote:
> > One question on that - I assume it's bash only and not original(tm)
> Bourne shell?
> >
> > On Wed, Apr 6, 2016 at 8:08 PM, Alex Carver <agcarver+ale at acarver.net
> > <mailto:agcarver+ale at acarver.net>> wrote:
> >
> >     No echos, other commands or subshells here, use bash built-in regex:
> >
> >     (Make a subdirectory to accept the destination files to make things
> >     cleaner or put the sources in a subdir and move the destinations up
> a level)
> >
> >     #!/bin/bash
> >     subdir=subdirname
> >     for f in * (or *.* or whatever pattern you want)
> >     do
> >              cp $f ${subdir}/${f%.*}.txt
> >     done
> >
> >
> >
> >
> >     %.* trims everything from f after the last dot (including the dot)
> >     returning the prefix
> >     %%.* is greedier and will trim everything after the first dot
> >
> >
> >     On 2016-04-06 15:39, Pete Hardie wrote:
> >     > perhaps something lile this:
> >     >
> >     > for file in *.*
> >     > do
> >     >      parts = $(echo $file| tr "." " ")
> >     >      bname = `basename $parts[0] $parts[1]`
> >     >      cp $file ${bname}.txt #or whatever processing you are doing
> here with $file
> >     > the whole name and $base the name sans suffix
> >     > done
> >     >
> >     >
> >     >
> >     > On Wed, Apr 6, 2016 at 6:27 PM, Pete Hardie <pete.hardie at gmail.com
> <mailto:pete.hardie at gmail.com>
> >     > <mailto:pete.hardie at gmail.com <mailto:pete.hardie at gmail.com>>>
> wrote:
> >     >
> >     >     Is the issue that you don't want a separate command for each
> suffix, or that
> >     >     you will not know all the suffixes ahead of time?
> >     >
> >     >     On Wed, Apr 6, 2016 at 6:22 PM, Scott M. Jones <
> eff at dragoncon.org <mailto:eff at dragoncon.org>
> >      >     <mailto:eff at dragoncon.org <mailto:eff at dragoncon.org>>> wrote:
> >      >
> >      >         Great answers in Stack Overflow, including a bash-only
> solution.
> >      >
> >      >
> >
> http://stackoverflow.com/questions/15060384/one-liner-in-bash-using-perl-or-awk-to-change-extension-of-multiple-files
> >      >
> >      >         On 4/6/16 5:52 PM, leam hall wrote:
> >      >         > I'm trying to do something simple, change the ending of
> a script to
> >      >         > ".txt". So if it's my_script.sh it becomes
> my_script.txt.
> >     Likewise for
> >      >         > my_script.rb, etc. The .txt version will have the
> documentation and
> >      >         > comments.
> >      >         >
> >      >         > So far all I've some up with is:
> >      >         >
> >      >         >   IS_SH=`echo ${SCRIPTNAME} | grep -c sh$`
> >      >         >
> >      >         > For each expected script ending. Which seems a really
> ugly
> >     thing to do.
> >      >         > Is there a better way in Bourne shell to do this?
> >      >         >
> >      >         > Leam
> >      >
> >
>
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-- 
Pete Hardie
--------
Better Living Through Bitmaps
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