On 08/17/18 15:17, Todd Chester wrote: > Hi All, > > grep and sed stopped working! I dnf re-installed them > both. No joy > > What the heck (not my "actual" word)? > > > <editorial comment> AAAAAAAAHHHHHHHHH!!!!!!!! </editorial comment> > > How do I fix this? > > Many thanks, > -T > > > uname -r > 4.17.9-200.fc28.x86_64 > > # rpm -qa grep > grep-3.1-5.fc28.x86_64 > > # rpm -qa sed > sed-4.5-1.fc28.x86_64 > > > > $ echo "a-b-c" | sed -e 's/-//g' > <nothing> > > Workaround: > $ echo "a-b-c" | perl -pe 's/-//g' > abc > > $ echo "a-b-c" | perl6 -pe 's:g/\-//' > abc > > > > $ ls -al /tmp | sed -n 3,4p > <nothing> > > Workaround: > $ ls -al /tmp | perl6 -ne ".say if 3 <= ++$ <= 4" > dr-xr-xr-x. 19 root root 278 Apr 11 20:43 .. > drwxr--r--. 2 todd users 40 Aug 17 00:08 ARI > > $ x=3; y=4; ls -al /tmp | perl6 -ne ".say if $x <= ++$ <= $y" > dr-xr-xr-x. 19 root root 278 Apr 11 20:43 .. > drwxr--r--. 2 todd users 40 Aug 17 00:08 ARI > > > > # echo "abc" | grep "ab" > <nothing> > > Work around: > $ echo "abc" | ack "ab" > abc Interesting. Something strange in your environment? [egreshko@meimei ~]$ uname -r 4.17.14-202.fc28.x86_64 [egreshko@meimei ~]$ rpm -q grep grep-3.1-5.fc28.x86_64 [egreshko@meimei ~]$ rpm -q sed sed-4.5-1.fc28.x86_64 [egreshko@meimei ~]$ echo "a-b-c" | sed -e 's/-//g' abc [egreshko@meimei ~]$ ls -al /tmp | sed -n 3,4p dr-xr-xr-x. 23 root root 4096 May 6 07:54 .. -rw-------. 1 egreshko egreshko 16757 Aug 16 22:52 .com.google.Chrome.cQiCz9 [egreshko@meimei ~]$ echo "abc" | grep "ab" abc -- Conjecture is just a conclusion based on incomplete information. It isn't a fact.
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