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string_operations

642 Treffer, Zuletzt geändert: vor 9 Monaten

g" '$substring' $substring is a regular expression. expr "$string" : '$substring' $substring is a regular expression. stringZ=abcABC123ABCabc # |------| echo... ex $string $substring </code> Numerical position in $string of first character in $substring that ... # C position. echo `expr index "$stringZ" 1c` #

test

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=== Quelle((http://tldp.org/LDP/abs/html/comparison-ops.html)) ===== Other Comparison Operators ===== ==== integer comparison ==== ---- -eq is equal to <code> if [ "$a" -eq "$b" ]<... code>(("$a" >= "$b"))</code> ==== string comparison ==== = is equal to <code>if [ "$a" = "$b" ]</

monitor

1 Treffer, Zuletzt geändert: vor 9 Monaten

=== <code> #!/bin/bash # File Monitor # function list () { #ls -l #sleep 1 # more elegant: watch