sh(1) command substitution and here documents
Hitoshi Aida
aida at porthos.csl.sri.com
Thu Jun 23 04:18:58 AEST 1988
In article <6774 at sigi.Colorado.EDU> wu at spot.Colorado.EDU (WU SHI-KUEI) writes:
>The following will do just fine:
>
> #!/bin/sh # not needed with REAL UNIX
> var=`bc '
> scale = 2
> 3 / 4
> quit'`
Not quite correct. The following will do just fine:
#!/bin/sh # not needed with REAL UNIX
var=`echo '
scale = 2
3 / 4
quit' | bc`
"quit" can be omitted.
Hitoshi AIDA (aida at csl.sri.com)
Computer Science Lab, SRI International
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