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Diffstat (limited to 'chapter06/flex-inst.xml')
| -rw-r--r-- | chapter06/flex-inst.xml | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/chapter06/flex-inst.xml b/chapter06/flex-inst.xml index a6dcbaf90..839461e76 100644 --- a/chapter06/flex-inst.xml +++ b/chapter06/flex-inst.xml @@ -9,5 +9,23 @@ make install && cd /usr/bin && ln -sf flex lex</userinput></screen></para> +<para>Some programs don't know about flex and try to find the lex program +(flex is a (better) alternative for lex). So to please those few +programs out there we'll create a lex script that calls flex and have +it emulate lex.</para> + +<para>Create a new file <filename>/usr/bin/lex</filename> by running the +following:</para> + +<para><screen><userinput>cat > /usr/bin/lex << "EOF"</userinput> +#!/bin/sh +# Begin /usr/bin/lex + +exec /usr/bin/flex -l "$@" + +# End /usr/bin/lex +<userinput>EOF +chmod 755 /usr/bin/lex</userinput></screen></para> + </sect2> |