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|
#!/bin/sh
#
# Convert everything over to another shell.
#
# This of course only useful for converting to Bourne Shell-line
# shells such as Korn Shell or Bourne Again SHell. Can also
# be used to add options to the scripts.
#
# Usage: setsh path_to_shell shell_arguments
#
shell=$1
shellx="$*"
[ ! -n "$shell" ] && {
echo "--ERROR-- Usage: $0 shellname"
exit 1
}
[ ! -x $shell ] && {
echo "--ERROR-- $shell does not exist or not executable"
exit 1
}
case $shell in
*csh)
echo "--ERROR-- C-shell style shells are not acceptable"
exit 1
;;
*zsh)
echo "--ERROR-- zsh is not acceptable"
exit 1
;;
esac
findcmd()
{
CMD=$1
SRCH=/usr/ucb:/usr/bin:/bin:/etc:/usr/etc
SAVEIFS=$IFS
IFS=:
set $SRCH
IFS=$SAVEIFS
for dir
do
[ -x $dir/$CMD ] && {
echo $dir/$CMD
return
}
done
}
FIND=`findcmd find`
ED=`findcmd ed`
$FIND . ! -type d -print |
while read filename
do
$ED -s $filename <<EDCMD
1,1s%#!.*\$%#!$shellx%
w
q
EDCMD
done
|
