Configuration Information [Automatically generated, do not change]: Machine: x86_64 OS: linux-gnu Compiler: gcc Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='x86_64' -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='x86_64-pc-linux-gnu' -DCONF_VENDOR='pc' -DLOC$ uname output: Linux UU8CPLAE 4.4.0-17134-Microsoft #137-Microsoft Thu Jun 14 18:46:00 PST 2018 x86_64 x86_64 x86_64 GNU/Linux Machine Type: x86_64-pc-linux-gnu
Bash Version: 4.3 Patch Level: 48 Release Status: release Description: “Here Strings” section in the bash(1) manual page claims that “word undergoes brace expansion” while it does not. Repeat-By: $ read -a arr <<< x{a{a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z},b{a,b,c,d,e,f,g,h,i,j,k,l,m,n,o}} $ echo ${arr[*]} x{a{a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z},b{a,b,c,d,e,f,g,h,i,j,k,l,m,n,o}}