Exporting a function in shell

function shell export
Sachin Chourasiya picture Sachin Chourasiya · Dec 11, 2009 · Viewed 49k times · Source

Please tell me how to export a function in parent shell (bash, sh or ksh) so that the function will be available to all the child process launced from the parent process?

Answer

Paused until further notice. picture Paused until further notice. · Dec 11, 2009

The export -f feature is specific to Bash:

parent

#!/bin/bash
plus1 () { echo $(($1 + 1)); }
echo $(plus1 8)
export -f plus1
./child 14 21

child

#!/bin/bash
echo $(plus1 $(($1 * $2)) )

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