如何在C Shell脚本中存储文件名？runner.csh使用场景问询

Got it, let's build exactly what you need—a C Shell script called runner.csh that reads filenames from your test list file (like list_of_tests.list) and executes commands with them. Here's a step-by-step breakdown with flexible options:

First, write this script to handle basic test list processing. It includes error checking, skips empty lines/comments, and works with most filename cases:

#!/bin/csh

# Check if we got the required test list file argument
if ($#argv != 1) then
    echo "Usage: $0 <test_list_file>"
    echo "Example: $0 list_of_tests.list"
    exit 1
endif

set test_list = $1

# Verify the test list file exists
if (! -f "$test_list:q") then
    echo "Error: Test list file '$test_list:q' doesn't exist!"
    exit 1
endif

# Loop through each filename in the list
foreach test_file (`cat "$test_list:q"`)
    # Skip empty lines and lines starting with # (comments)
    set trimmed_file = "$test_file:q"
    if ($trimmed_file == "" || "$trimmed_file" =~ "#*") continue

    echo "Processing test file: $trimmed_file"
    # Replace the line below with your actual command
    # Example: Run a test executable on the file
    # ./my_test_runner "$trimmed_file"
end

Key Details: #

• $test_file:q quotes the filename to handle spaces or special characters (super important if your test filenames have spaces!)
• The script checks for valid input first, so you get clear error messages instead of silent failures
• It skips comment lines (starting with #) and empty lines to keep things clean

Run this command in your terminal to give the script permission to run:

chmod +x runner.csh

Option 1: Hardcode Your Command #

Edit the ./my_test_runner "$trimmed_file" line to match your actual command (e.g., gcc "$trimmed_file" -o test_output or ./run_test_suite "$trimmed_file"). Then run it with:

./runner.csh list_of_tests.list

Option 2: Pass the Command as an Argument (Flexible!) #

If you want to use different commands without editing the script, modify runner.csh to accept the command as input:

#!/bin/csh

# Check for enough arguments: test list + command + optional args
if ($#argv < 2) then
    echo "Usage: $0 <test_list_file> <command> [command_args...]"
    echo "Example: $0 list_of_tests.list ./run_test.sh -verbose"
    exit 1
endif

set test_list = $1
shift 1  # Move past the test list to capture the command and its args

if (! -f "$test_list:q") then
    echo "Error: Test list file '$test_list:q' doesn't exist!"
    exit 1
endif

foreach test_file (`cat "$test_list:q"`)
    set trimmed_file = "$test_file:q"
    if ($trimmed_file == "" || "$trimmed_file" =~ "#*") continue

    echo "Executing: $argv:q $trimmed_file"
    # Run the passed command with the test filename
    $argv:q "$trimmed_file"
end

Now you can run it with any command, like:

./runner.csh list_of_tests.list ./my_test_tool -debug

Handling Filenames with Spaces (Advanced) #

If your test filenames have spaces, the foreach loop might split them incorrectly. Use a while + read approach instead for better handling:

#!/bin/csh

if ($#argv != 1) then
    echo "Usage: $0 <test_list_file>"
    exit 1
endif

set test_list = $1

if (! -f "$test_list:q") then
    echo "Error: Test list file '$test_list:q' doesn't exist!"
    exit 1
endif

# Use while read to preserve spaces in filenames
cat "$test_list:q" | while read -r test_file
    set trimmed_file = "$test_file:q"
    if ($trimmed_file == "" || "$trimmed_file" =~ "#*") continue

    echo "Processing: $trimmed_file"
    ./my_test_runner "$trimmed_file"
end

内容的提问来源于stack exchange，提问作者kindbit