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Sh syntax error invalid arithmetic operator

so Value of db: 7 " ) syntax error: invalid arithmetic operator ( error token is " The value of db: / / test if working. You appear to want to iterate over the indices of the two arrays - which you can do using indirection #! / bin/ bash IP_ Addresses= ( 172. Make sure that you are actually running in bash shell. / bin/ bash a= 0. 60 if [ [ $ ( bc - l < < < " $ a > $ b" ) - eq 1 ] ] ; then echo " $ a > $ b" else echo " $ a < = $ b" fi if [ [ $ ( bc - l < < < " $ a > $ c" ) - eq 1 ] ] ; then echo " $ a > $ c" else. Your script is working here. The only way to make it produce the same error you report is to make the variable db_ ctdy_ sr contain a new line :. 現在シェルスクリプトの練習をしています。 テキストファイルから値を読み込んで、 変数 に格納するまではできるのですが、 その格納した値の計算を行おうとすると、 以下の エラーが出ます。 " ) syntax error: invalid arithmetic operator ( error. expr supports the basic arithmetic operations: Addition ( + ), Subtraction.

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    Invalid operator syntax

    6 + 3: syntax error: invalid arithmetic operator ( error token is ". Looks like you have trailing characters in your array. Try this with tr - cd ' [ [ : digit: ] ] ' which will delete all non digits from input: echo " $ { depsAlastmodified[ $ i] } " | tr - cd ' [ [ : digit: ] ] ' | od - c. The first is the shell' s let command. let: result = ( 123. 0 - 1) / 10 + 1: syntax error: invalid arithmetic operator ( error token is ". 0 - 1) / 10 + 1" ). People did sometimes try to program the C shell, but only the very. 5: syntax error: invalid arithmetic operator ( error token is ". COLLCC= & Your error message seems to indicate pollution of your data with CRs. " ) syntax error: invalid arithmetic operator ( err. ます1 $ echo $. 5のような実数は使用できませんbash: 10 - 5. 5 : syntax error: invalid arithmetic operator ( error token is ". 5 " ) $ $ echo $ ( ( $ v$ echo $ ( ( v← 変数v1の参照のための$ を省略します35.

    Check remote feature. shell# twgit feature start MOB- 426. bold: syntax error: invalid arithmetic operator ( error token is ". In the first attempt, you don' t get a value from $ { vet[ $ parola] }. This causes the syntax error for the arithmethic operation Use a default value instead: for parola in $ ( cat " $ fileIn" ) do freq= $ { vet[ $ parola] } [ [ - z $ freq ] ] & & freq= 0 vet[ $ parola] = $ ( ( freq +. syntax error: invalid arithmetic operator ( error token is ". У вас тоже не bourne : ) Все эти $ ( cmd) $ { p/ / }. Если уж юзаете set - -, то. Like everything else in shell, these are strings, not # floating- point values d1= 0. 0008 # bc parses its input. is a built- in construct that can parse # its contents as integers; valid identifiers # are recursively resolved as. bash does not support floating- point arithmetic. is a built- in construct that can parse # its contents as integers; valid identifiers # are. 3: syntax error: invalid arithmetic operator ( error token is ".

    Bash does not understand floating point arithmetic. except that you should escape the expression using quotes so the * character doesn' t cause unwanted shell expansion. You should use bc for floating point arithmetic:. 以下はマイナスの数値を引き算する例ですが、 書き方によってはarithmetic syntax errorになってしまうようです。. non- integer argument $ echo $ ( ( 1. 5 + 2: syntax error: invalid arithmetic operator ( error token is ". CPULOAD: line 15: [ [ : 1. 98: syntax error: invalid arithmetic operator ( error token is ". / CPULOAD: line 19: [ [ : 1. 94: syntax error: invalid.

    Your input file contains CR+ LF line endings. As such, the variable $ { line[ 4] } isn' t a number like \ r which causes the error. Remove carriage returns from the input file using a tool such as dos2unix. Alternatively, you.