shell
What does -n in if [ -n "${TEMP_FILE_LIST}" ] do?
What does -n in if [ -n \"${TEMP_FIL开发者_运维问答E_LIST}\" ] do for this shell script?From help test:[详细]
2023-04-09 21:26 分类：问答exec family with a file input
Hey guys I am trying to write a shell with C++ and I am having trouble with the function of using input file with the exec commands.For example, the bc shell in Linux is able to do “bc < text.txt”[详细]
2023-04-09 20:40 分类：问答When scripting, what's the difference between #!/usr/bin/perl and #!/usr/bin/env perl?
Obviously this applies e开发者_开发知识库qually with python, bash, sh, etc substituted for perl![详细]
2023-04-09 20:22 分类：问答diff on two program with same input?
#!bin/sh i=0; while read inputline do array[$i]=$inputline; i=`expr $i + 1` done j=i; ./a.out > test/temp;[详细]
2023-04-09 17:01 分类：问答Threading a shell script
I have a small shell script that executes ~30 Java commands consecutively. Each one pulls data from a MySQL db then j开发者_StackOverflow中文版ams it into a BI tool. Is there any way to execute >1 of[详细]
2023-04-09 16:13 分类：问答In IntelliJ IDEA, how can I create a key binding that executes a shell script with the current file as a parameter?
In IntelliJ IDEA, how can I create a key binding that executes a shell script with the current file as a parameter?[详细]
2023-04-09 15:54 分类：问答Shorter Scala Script header
It\'s possible to write shell scripts in Scala by starting a text file with: #!/bin/sh exec scala \"$0\" \"$@\"[详细]
2023-04-09 14:32 分类：问答In the Unix/Linux shell programming：the difference between > and >&
int main(void) { char buf[] = \"standard err, output.\\n\"; printf(\"standard output.\\n\"); if (write(STDERR_FILENO,buf, 22) != 22)[详细]
2023-04-09 14:30 分类：问答How do I force a read to pass
So I am writing a simple shell. The relevant codes are posted below. void sig_int_handler(int signum) {[详细]
2023-04-09 11:51 分类：问答Shell script that continuously checks a text file for log data and then runs a program
I have a java program that stops often due to erro开发者_运维百科rs which is logged in a .log file. What can be a simple shell script to detect a particular text in the last/latest line say[详细]
2023-04-09 10:43 分类：问答
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