<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">One question on that - I assume it's bash only and not original(tm) Bourne shell?<br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Apr 6, 2016 at 8:08 PM, Alex Carver <span dir="ltr"><<a href="mailto:agcarver+ale@acarver.net" target="_blank">agcarver+ale@acarver.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">No echos, other commands or subshells here, use bash built-in regex:<br>
<br>
(Make a subdirectory to accept the destination files to make things<br>
cleaner or put the sources in a subdir and move the destinations up a level)<br>
<br>
#!/bin/bash<br>
subdir=subdirname<br>
for f in * (or *.* or whatever pattern you want)<br>
do<br>
cp $f ${subdir}/${f%.*}.txt<br>
done<br>
<br>
<br>
<br>
<br>
%.* trims everything from f after the last dot (including the dot)<br>
returning the prefix<br>
%%.* is greedier and will trim everything after the first dot<br>
<span class="im HOEnZb"><br>
<br>
On 2016-04-06 15:39, Pete Hardie wrote:<br>
> perhaps something lile this:<br>
><br>
> for file in *.*<br>
> do<br>
> parts = $(echo $file| tr "." " ")<br>
> bname = `basename $parts[0] $parts[1]`<br>
> cp $file ${bname}.txt #or whatever processing you are doing here with $file<br>
> the whole name and $base the name sans suffix<br>
> done<br>
><br>
><br>
><br>
> On Wed, Apr 6, 2016 at 6:27 PM, Pete Hardie <<a href="mailto:pete.hardie@gmail.com">pete.hardie@gmail.com</a><br>
</span><span class="im HOEnZb">> <mailto:<a href="mailto:pete.hardie@gmail.com">pete.hardie@gmail.com</a>>> wrote:<br>
><br>
> Is the issue that you don't want a separate command for each suffix, or that<br>
> you will not know all the suffixes ahead of time?<br>
><br>
> On Wed, Apr 6, 2016 at 6:22 PM, Scott M. Jones <<a href="mailto:eff@dragoncon.org">eff@dragoncon.org</a><br>
</span><div class="HOEnZb"><div class="h5">> <mailto:<a href="mailto:eff@dragoncon.org">eff@dragoncon.org</a>>> wrote:<br>
><br>
> Great answers in Stack Overflow, including a bash-only solution.<br>
><br>
> <a href="http://stackoverflow.com/questions/15060384/one-liner-in-bash-using-perl-or-awk-to-change-extension-of-multiple-files" rel="noreferrer" target="_blank">http://stackoverflow.com/questions/15060384/one-liner-in-bash-using-perl-or-awk-to-change-extension-of-multiple-files</a><br>
><br>
> On 4/6/16 5:52 PM, leam hall wrote:<br>
> > I'm trying to do something simple, change the ending of a script to<br>
> > ".txt". So if it's my_script.sh it becomes my_script.txt. Likewise for<br>
> > my_script.rb, etc. The .txt version will have the documentation and<br>
> > comments.<br>
> ><br>
> > So far all I've some up with is:<br>
> ><br>
> > IS_SH=`echo ${SCRIPTNAME} | grep -c sh$`<br>
> ><br>
> > For each expected script ending. Which seems a really ugly thing to do.<br>
> > Is there a better way in Bourne shell to do this?<br>
> ><br>
> > Leam<br>
><br>
<br>
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</div></div></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature">Pete Hardie<br>--------<br>Better Living Through Bitmaps</div>
</div>