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string_operations
103 Treffer, Zuletzt geändert:
export $foo="this is a test" echo ${foo%%t*is} NOTE While the # and % identifiers may not seem obvious, they have a convenient mnemonic. The # key is on ... on a dossy system # only handles file extensions, not filenames for i in *.html; do if [ -f ${i%l} ]... else mv $i ${i%l} fi done Substitution Another kind of variable mangling you might want to em
test
31 Treffer, Zuletzt geändert:
> if [ "$a" -eq "$b" ]</code> ---- -ne is not equal to <code> if [ "$a" -ne "$b" ]</code> -... " == "$b" ]</code> This is a synonym for =. Note The == comparison operator behaves differently... al to z* (literal matching). </code> ---- != is not equal to <code>if [ "$a" != "$b" ]</code> This ... [[ "$a" < "$b" ]] if [ "$a" \< "$b" ] </code> Note that the "<" needs to be escaped within a [ ] co
 
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