Thanks for the good suggestions. On Thu, 14 Jul 2005, Will McDonald wrote: > There's probably a more elegant way but you could echo it to grep and > test the return value? > > > [wmcdonald@willspc ~]$ set numval=13 > [wmcdonald@willspc ~]$ echo $numval > 13 > [wmcdonald@willspc ~]$ echo $numval | egrep > '[:alpha:]|[:cntrl:]|[:graph:]|[:punct:]' > [wmcdonald@willspc ~]$ echo $? > 1 > [wmcdonald@willspc ~]$ echo $shell > /bin/tcsh > [wmcdonald@willspc ~]$ > > Wrap that in some shell logic and you should be sorted. I don't really > do csh but in sh/ksh/bash you could do something like... > > if (echo $variable | egrep '[:alpha:]|[:cntrl:]|[:graph:]|[:punct:]') > then > # variable's not numeric > echo "Variable $variable is NOT numeric" > else > # It's numeric (or null, you'll need to test for that too) > echo "Variable $variable is numeric." > fi > > Will. > > On 14/07/05, Christopher L Judd <clj2289@xxxxxxxxxxxxxxxxxxx> wrote: > > Would anyone know how to determine if a variable in the csh shell is > > numeric or string? > > > > Thanks, > > Chris > > > > -- > > redhat-list mailing list > > unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe > > https://www.redhat.com/mailman/listinfo/redhat-list > > > -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
