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string_operations

624 Treffer, Zuletzt geändert: vor 2 Monaten

ay to get length of the string. The simplest one is ${#varname}, which returns the length of the valu... ng expr match "$string" '$substring' $substring is a regular expression. expr "$string" : '$substring' $substring is a regular expression. stringZ=abcABC123ABCabc #... 'c' (in #3 position) matches before '1'.</code> This is the near equivalent of strchr() in C. ==== Sub

test

74 Treffer, Zuletzt geändert: vor 2 Monaten

===== 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> ---- -ne is not equal to <

monitor

2 Treffer, Zuletzt geändert: vor 2 Monaten

<code> #!/bin/bash # File Monitor # function list () { #ls -l #sleep 1 # more elegant: watch -n 1 "ls -l" } while true; do list | grep $1 done </code>