blob: 9819dbd8d0311bb9a05251a2a3c7550436e7586d (
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#!/bin/sh
echo $@
[ -z "$(echo $@ | grep "\-l")" ] && str="a-z A-Z" || [ -z "$(echo $@ | grep "\-u")" ] && str="A-Z a-z" || (echo "cs: missing operand" && exit)
[ -z "$(echo $@ | sed 's/\-l//g;s/\-u//g')" ] && words=$(< /dev/stdin) || words="$(echo $@ | sed 's/\-l//g;s/\-u//g')"
echo $words | tr $str
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