[CentOS] variable in loop
Les Mikesell
lesmikesell at gmail.comSun Jan 2 23:05:27 UTC 2011
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On 1/2/11 4:27 PM, S Mathias wrote: > $ ASDF=hello; a=0; a=$(( 70 - $(echo $ASDF | awk '{print length}') )); echo "$a $ASDF"$(for i in {1..$a}; do printf "."; done) > 65 hello. > $ > > > Why doesn't it print: > 65 hello................................................................. > > > > What am i missing? > Order of operations. Brace expansion happens before variable substitution (echo $i to see the actual value you are getting). -- Les Mikesell lesmikesell at gmail.com
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