mirror of https://github.com/tLDP/LDP
21 lines
464 B
Bash
21 lines
464 B
Bash
#!/bin/bash
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# A version of "rot13" using 'eval'.
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# Compare to "rot13.sh" example.
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setvar_rot_13() # "rot13" scrambling
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{
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local varname=$1 varvalue=$2
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eval $varname='$(echo "$varvalue" | tr a-z n-za-m)'
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}
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setvar_rot_13 var "foobar" # Run "foobar" through rot13.
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echo $var # sbbone
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echo $var | tr a-z n-za-m # foobar
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# Back to original variable.
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# This example by Stephane Chazelas.
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exit 0
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